Wheel loader
WL 550
OPERATOR’S MANUAL
1000301079_US
2.0
From serial no.
349 00 0215
www.wackerneuson.com
1000301079
This Operator's Manual includes
the AEM 3afety -anual :/7
Documentation
Title Order no.
Operator’s Manual 1000301079_US
Legend
Edition Issued
2.0 06/2013
Copyright – 2013 Kramer-Werke GmbH
Printed in Germany
All rights reserved, in particular the copyright, the right of reproduction and the right of distribution applicable
worldwide.
No part of this publication may be reproduced, translated or used in any form or by any means— graphic, elec-
tronic or mechanical including photocopying, recording, taping or information storage or retrieval systems—without
prior permission in writing from the manufacturer.
No reproduction or translation of this publication, in whole or part, without the written consent of
Kramer-Werke GmbH.
Any infringement of legal provisions, in particular of those regarding copyright protection, shall be subject to civil
and criminal law prosecution.
Kramer-Werke GmbH keep abreast of the latest technical developments and constantly improve their products.
For this reason, we may from time to time need to make changes to diagrams and descriptions in this documenta-
tion which do not reflect products which have already been delivered and which will not be implemented on these
machines.
Technical data, dimensions and weights are only given as an indication. Responsibility for errors or omissions not
accepted.
The cover features the machine with possible optional equipment
Kramer-Werke GmbH
Wacker-Neuson-Str. 1
D-88630 Pfullendorf
Tel. 0080090209020
E-mail [email protected]
www.kramer.de
Document: BA 34900 US *
BA 34900 US * 2.0 * BA_34900_V2_us_enIVZ.fm I-1
Table of contents
Table of contents
1Introduction
1.1 Operator’s Manual .............................................................................................................................................................. 1-1
Notices on this Operator’s Manual ....................................................................................................................................1-1
Explanations, abbreviations and symbols .........................................................................................................................1-2
1.2 Machine safety information ................................................................................................................................................. 1-3
Handling the machine .......................................................................................................................................................1-3
Warranty and liability .........................................................................................................................................................1-3
Maintenance, repair work, spare parts ..............................................................................................................................1-4
1.3 Brief description of the machine .......................................................................................................................................... 1-5
Models and trade name of the machine ............................................................................................................................1-5
Machine licensing .............................................................................................................................................................1-5
Permissible temperature range .........................................................................................................................................1-5
Main components of machine ...........................................................................................................................................1-6
Hydrostatic drive ...............................................................................................................................................................1-6
Operating hydraulics and 4 wheel steering .......................................................................................................................1-6
Cooling system .................................................................................................................................................................1-6
1.4 Machine outside view .......................................................................................................................................................... 1-7
1.5 Legal regulations regarding machine operation .................................................................................................................. 1-8
Principal regulations for the operating personnel ..............................................................................................................1-8
Driving license ...................................................................................................................................................................1-8
Machine inspection, registration, identification .................................................................................................................1-8
On-board documents and equipment: ..............................................................................................................................1-8
1.6 Fields of application and using a machine with an attachment ........................................................................................... 1-9
Instructions regarding the use of attachments ..................................................................................................................1-9
Fitting attachments onto the machine ...............................................................................................................................1-9
Overview of certified attachments ...................................................................................................................................1-10
1.7 Type labels, warning and information labels, component numbers .................................................................................. 1-11
Explanation of “Book” symbol .........................................................................................................................................1-11
Serial number ..................................................................................................................................................................1-11
Cabin number .................................................................................................................................................................1-12
Engine number ................................................................................................................................................................1-12
Variable displacement pump number .............................................................................................................................1-12
Variable displacement motor number .............................................................................................................................1-13
Number of transfer gearbox ............................................................................................................................................1-13
Front or rear axle number ...............................................................................................................................................1-13
1.8 Machine signs and labels (overview) ................................................................................................................................ 1-14
1.9 Description of machine signs and labels ........................................................................................................................... 1-15
Labels on the outside of the machine .............................................................................................................................1-15
Signs and labels in the cabin ..........................................................................................................................................1-17
Labels in the engine compartment ..................................................................................................................................1-21
2 Safety Instructions
2.1 Signal Words Used in this Manual ...................................................................................................................................... 2-1
2.2 Designated use ................................................................................................................................................................... 2-2
2.3 General conduct and safety instructions ............................................................................................................................. 2-2
Conditions for use .............................................................................................................................................................2-2
User training and knowledge ............................................................................................................................................2-3
Preparing for use ..............................................................................................................................................................2-3
Modifications and spare parts ...........................................................................................................................................2-3
2.4 Operator/technician qualifications and basic responsibilities .............................................................................................. 2-4
User/owner responsibility ..................................................................................................................................................2-4
Repair person qualifications ..................................................................................................
............................................2-4
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Table of contents
2.5 Safety instructions regarding operation .............................................................................................................................. 2-4
Preparing for use ..............................................................................................................................................................2-4
Startup and shutdown ......................................................................................................................................................2-4
Work area awareness ......................................................................................................................................................2-4
Risk area awareness ........................................................................................................................................................2-5
Machine operation ............................................................................................................................................................2-5
Carrying passengers ........................................................................................................................................................2-6
Mechanical integrity .........................................................................................................................................................2-6
Traveling ..........................................................................................................................................................................2-6
2.6 Applications with lifting gear ............................................................................................................................................... 2-7
General notices ................................................................................................................................................................2-7
Safety criteria ...................................................................................................................................................................2-7
Conditions for safe operation ...........................................................................................................................................2-7
2.7 Trailers and attachments .................................................................................................................................................... 2-8
General information regarding attachments .....................................................................................................................2-8
Installation notes ..............................................................................................................................................................2-8
2.8 Transporting and towing ..................................................................................................................................................... 2-9
Towing ..............................................................................................................................................................................2-9
Transportation ..................................................................................................................................................................2-9
2.9 Safety guidelines for maintenance ..................................................................................................................................... 2-9
General maintenance notes .............................................................................................................................................2-9
Personal safety measures ..............................................................................................................................................2-10
Preparing for maintenance and repair work ...................................................................................................................2-10
Performing maintenance and repairs ............................................................................................................................. 2-11
2.10 Special hazards ................................................................................................................................................................ 2-11
Battery ............................................................................................................................................................................2-11
Tires ...............................................................................................................................................................................2-11
Electric energy ...............................................................................................................................................................2-12
Hydraulic system ............................................................................................................................................................2-12
Noise ..............................................................................................................................................................................2-12
Safety data sheet ...........................................................................................................................................................2-12
2.11 Safety guidelines while using internal combustion engines ............................................................................................. 2-13
Running engine ..............................................................................................................................................................2-13
Fueling the engine ..........................................................................................................................................................2-13
3 Operation
3.1 Description of control elements .......................................................................................................................................... 3-1
3.2 Inside of cabin (overview) ................................................................................................................................................... 3-2
3.3 Instrument panel, multifunctional lever and drive lever (overview) ..................................................................................... 3-4
3.4 Functional description: indicator lights ............................................................................................................................... 3-6
Indicator light check .........................................................................................................................................................3-6
Indicator lights and warning lights on the indicating instrument .......................................................................................3-6
3.5 Putting the machine into operation ..................................................................................................................................... 3-9
Operating personnel .........................................................................................................................................................3-9
Running-in period of wheel loader ...................................................................................................................................3-9
3.6 Checklist ........................................................................................................................................................................... 3-10
Starting checklist ............................................................................................................................................................3-10
Operation checklist .........................................................................................................................................................3-11
Parking checklist ............................................................................................................................................................3-11
3.7 Cabin ................................................................................................................................................................................ 3-12
Safety instructions for prevention of contact with hazardous substances .......................................................
...............3-12
Safety instructions regarding ca
bin entrance and exit .................................................................................................
..3-12
Locking/unlocking the door ............................................................................................................................................3-13
Securing an open door ...................................................................................................................................................3-14
Opening, closing and locking the right window ..............................................................................................................3-15
3.8 Right window emergency exit ........................................................................................................................................... 3-16
Emergency exit ..............................................................................................................................................................3-16
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3.9 Operator seat .................................................................................................................................................................... 3-17
Important information ......................................................................................................................................................3-17
Seat adjustment: overview ..............................................................................................................................................3-17
Weight adjustment ..........................................................................................................................................................3-18
Horizontal adjustment .....................................................................................................................................................3-18
Backrest adjustment .......................................................................................................................................................3-18
3.10 Air-suspension seat .......................................................................................................................................................... 3-19
Important information ......................................................................................................................................................3-19
Weight adjustment (air suspension) ................................................................................................................................3-19
Horizontal adjustment (air suspension) ...........................................................................................................................3-20
Backrest adjustment (air suspension) .............................................................................................................................3-20
Backrest extension (air suspension) ...............................................................................................................................3-21
Lumbar support (option) ..................................................................................................................................................3-21
3.11 Seat belt (lap belt) ............................................................................................................................................................. 3-22
Specific notices on the seat belt .....................................................................................................................................3-22
Fastening the seat belt ....................................................................................................................................................3-22
Unfastening the seat belt ................................................................................................................................................3-23
Longer/shorter lap belt adjustment .................................................................................................................................3-23
3.12 Fire extinguisher (option) .................................................................................................................................................. 3-23
Fire extinguisher operation .............................................................................................................................................3-23
3.13 Engine cover lock .............................................................................................................................................................. 3-24
Opening/closing the engine cover ...................................................................................................................................3-24
3.14 Battery master switch ........................................................................................................................................................ 3-24
Battery master switch operation ......................................................................................................................................3-24
3.15 Key-based drive interlock (option) ..................................................................................................................................... 3-25
Key-based drive interlock: scope of delivery ...................................................................................................................3-25
Coding (“training”) new ignition keys ...............................................................................................................................3-25
Enabling (locking) the drive interlock ..............................................................................................................................3-26
Disabling (releasing) the drive interlock ..........................................................................................................................3-26
Deleting coded keys ........................................................................................................................................................3-26
Safety functions ..............................................................................................................................................................3-27
3.16 Drive interlock with code input (option) ............................................................................................................................. 3-28
Keyboard for entering codes (overview) .........................................................................................................................3-28
Entering/changing the personal code .............................................................................................................................3-29
Enabling the drive interlock .............................................................................................................................................3-29
Disabling the drive interlock ............................................................................................................................................3-30
Putting the drive interlock out of operation ......................................................................................................................3-31
Putting the drive interlock back into operation again ......................................................................................................3-32
Interruption of drive interlock power ................................................................................................................................3-32
Drive interlock maintenance ............................................................................................................................................3-32
3.17 Hydraulic oil preheating (option) ....................................................................................................................................... 3-33
Important information on putting the preheating into operation ......................................................................................3-33
Putting the preheating into operation ..............................................................................................................................3-33
3.18 Fuel preheater (option) ..................................................................................................................................................... 3-33
3.19 Putting the diesel engine into operation ............................................................................................................................ 3-34
Notices on preparing to start the engine .........................................................................................................................3-34
Preparing to start the engine ...........................................................................................................................................3-35
Starting the engine ..........................................................................................................................................................3-36
Avoiding running the engine under low-load conditions ..................................................................................................3-37
Stopping the engine ...............................................................................................................................................
.........3-37
3.20 External starting aid
(battery) ............................................................................................................................................ 3-38
Instructions regarding external starting aids ...................................................................................................................3-38
Providing external starting aid .........................................................................................................................................3-39
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3.21 Initial steps for putting the machine into operation ........................................................................................................... 3-40
Putting the machine into operation .................................................................................................................................3-40
Preparing for traveling on public roads ..........................................................................................................................3-41
Functional check of all control elements ........................................................................................................................3-42
Transportation position of bucket ...................................................................................................................................3-42
Transportation position of pallet forks ............................................................................................................................3-42
Mechanical locking of loader unit and 3rd control circuit control levers .........................................................................3-43
Mechanical locking of loader unit control lever (option) .................................................................................................3-43
Locking the electrically actuated 3rd control circuit (option) ...........................................................................................3-44
3.22 Checking and synchronizing the steering system ............................................................................................................ 3-45
Check the steering system for correct operation ............................................................................................................3-45
Wheel synchronization ...................................................................................................................................................3-46
3.23 Changing from 4 wheel to front axle steering (option) ...................................................................................................... 3-47
Changing steering mode ................................................................................................................................................3-47
Changing to front axle steering or 4 wheel steering .......................................................................................................3-47
3.24 Accelerator pedal ............................................................................................................................................................. 3-48
Speed control with the accelerator pedal ....................................................................................................................... 3-48
3.25 Manual throttle (option) .................................................................................................................................................... 3-49
Engine speed regulation with manual throttle ................................................................................................................3-49
3.26 Low-speed control (option) ............................................................................................................................................... 3-50
Operation of low-speed control ......................................................................................................................................3-50
3.27 Brake/inching pedal .......................................................................................................................................................... 3-51
Inching with the brake/inching pedal ..............................................................................................................................3-51
Braking with the brake/inching pedal .............................................................................................................................3-51
3.28 Parking brake ................................................................................................................................................................... 3-52
Applying the parking brake .............................................................................................................................................3-52
3.29 Starting machine travel ..................................................................................................................................................... 3-53
Selecting speed range and traveling direction ...............................................................................................................3-53
3.30 Differential lock (option) .................................................................................................................................................... 3-54
Switching the differential lock ON or OFF ......................................................................................................................3-54
3.31 Load stabilizer (option) ..................................................................................................................................................... 3-55
Load stabilizer function ..................................................................................................................................................3-55
Switching the load stabilizer ON and OFF .....................................................................................................................3-55
3.32 Backup warning system ................................................................................................................................................... 3-56
Instructions regarding the backup warning system ........................................................................................................3-56
3.33 Electric connection – front socket (option) ....................................................................................................................... 3-56
Putting the front socket into operation ............................................................................................................................3-56
3.34 Rear window heating (option) ........................................................................................................................................... 3-57
3.35 Machine lights .................................................................................................................................................................. 3-58
Machine lights operation ................................................................................................................................................3-58
Working lights operation .................................................................................................................................................3-59
Interior light operation ....................................................................................................................................................3-59
3.36 Signaling system .............................................................................................................................................................. 3-60
Turn indicator operation .................................................................................................................................................3-60
Hazard warning system operation ................................................................................................................................. 3-60
3.37 Rotating beacon (option) .................................................................................................................................................. 3-61
Rotating beacon operation .............................................................................................................................................3-61
3.38 Cabin heating and ventilation ..........................................................................................................................................
. 3-61
Heating and ventilation system operation .............
.........................................................................................................3-61
3.39 Auxiliary heating (option) .................................................................................................................................................. 3-62
Operating and setting the auxiliary heating ....................................................................................................................3-62
3.40 Air conditioning (option) .................................................................................................................................................... 3-63
Air conditioning operation ...............................................................................................................................................3-63
3.41 Front/rear wipers .............................................................................................................................................................. 3-64
Window wiper operation .................................................................................................................................................3-64
3.42 Loader unit control lever (overview) ................................................................................................................................. 3-65
Operating the control lever for the lift and tilt cylinders, and for the additional control circuit (option) ...........................3-65
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Table of contents
3.43 Operating and securing the 3rd control circuit .................................................................................................................. 3-66
Locking and unlocking attachments (standard mechanical actuation) ............................................................................3-66
Locking and unlocking attachments (optional electrical actuation) .................................................................................3-66
3.44 Pressure release on quick couplers (3rd control circuit) ................................................................................................... 3-67
Releasing the pressure on the hydraulic quick couplers .................................................................................................3-67
3.45 Emergency lowering of loader unit in case of diesel engine breakdown ........................................................................... 3-68
Lowering or raising ..........................................................................................................................................................3-68
3.46 Equipping the machine with a standard bucket ................................................................................................................ 3-69
Field of application and use of bucket .............................................................................................................................3-69
Checking the mounting bore of the attachment ..............................................................................................................3-69
Picking up a standard bucket ..........................................................................................................................................3-70
Locking a standard bucket ..............................................................................................................................................3-71
Removing a standard bucket ..........................................................................................................................................3-72
3.47 Working with a bucket ....................................................................................................................................................... 3-73
Instructions on work operation ........................................................................................................................................3-73
Instructions for transporting material in a full bucket .......................................................................................................3-74
Loading loose material ....................................................................................................................................................3-75
Loading if the material is hard to penetrate .....................................................................................................................3-75
Removing material/digging in soft soil ............................................................................................................................3-76
Removing material/digging in hard soil ...........................................................................................................................3-77
Grading ...........................................................................................................................................................................3-77
Loading heaped material (non-compacted material) ......................................................................................................3-77
Loading heaped material (compacted material) ..............................................................................................................3-78
Practical recommendations for loading vehicles .............................................................................................................3-78
Freeing the machine .......................................................................................................................................................3-78
3.48 Fitting pallet forks .............................................................................................................................................................. 3-79
Fields of application for pallet forks .................................................................................................................................3-79
Picking up pallet forks with the quickhitch .......................................................................................................................3-79
Removing the pallet forks from the quickhitch ................................................................................................................3-80
Traveling on public roads with pallet forks ......................................................................................................................3-80
3.49 Working with the pallet forks ............................................................................................................................................. 3-81
Instructions regarding the use of the pallet forks ............................................................................................................3-81
Load diagram for pallet forks ..........................................................................................................................................3-83
Adjusting the fork arms of the pallet forks .......................................................................................................................3-84
Picking up loads with the pallet forks ..............................................................................................................................3-85
Transporting loads with the pallet forks ..........................................................................................................................3-86
3.50 Continuous operation of 3rd control circuit (option) .......................................................................................................... 3-87
Continuous operation (3rd control circuit with mechanical actuation) .............................................................................3-87
Continuous operation (3rd control circuit with electrical actuation) .................................................................................3-88
3.51 Hydraulic additional control circuit (option) ....................................................................................................................... 3-89
Using the additional control circuits ................................................................................................................................3-89
Additional control circuit connections (overview) ............................................................................................................3-89
“plus powerflow” operation (switchable pressure relief valve) (under preparation) .........................................................3-90
Safety instruction regarding the additional front control circuit .......................................................................................3-91
Continuous operation of additional front control circuit ......................................................................
.............................3-92
Continuous operation of additional functions of additiona
l front control circuit ......................................................
.........3-93
3.52 “Load holding control valve” safety feature (option) .......................................................................................................... 3-94
Switching off the load holding control valve ....................................................................................................................3-94
3.53 Towing the machine .......................................................................................................................................................... 3-95
Instructions for towing away ............................................................................................................................................3-95
Towing gear (towing eye hooks) .....................................................................................................................................3-95
Getting ready for towing ..................................................................................................................................................3-96
Towing the machine ........................................................................................................................................................3-97
Once towing is over ........................................................................................................................................................3-97
3.54 Crane-lifting the machine .................................................................................................................................................. 3-98
Instructions regarding crane-lifting ..................................................................................................................................3-98
Crane-lifting the machine ................................................................................................................................................3-99
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3.55 Loading and transporting the machine on a transportation vehicle ................................................................................ 3-100
Instructions regarding loading on a transportation vehicle ...........................................................................................3-100
Loading and tying down the machine ...........................................................................................................................3-101
3.56 Long-term storage .......................................................................................................................................................... 3-102
Preserving the piston rods of the hydraulic cylinders ...................................................................................................3-102
Preserving the engine ..................................................................................................................................................3-102
3.57 Final decommissioning of machine ................................................................................................................................ 3-103
Notice on decommissioning .........................................................................................................................................3-103
Preparing disposal .......................................................................................................................................................3-103
Disposal .......................................................................................................................................................................3-103
4 Troubleshooting
4.1 Engine malfunctions ........................................................................................................................................................... 4-1
4.2 Malfunctions in the air conditioning system (option) ........................................................................................................... 4-4
5 Maintenance
5.1 Important information on maintenance and service work ................................................................................................... 5-1
Important information for maintenance personnel ............................................................................................................5-1
Instructions on maintenance work ....................................................................................................................................5-2
5.2 Safety prop for loader unit .................................................................................................................................................. 5-3
Installing the safety prop ..................................................................................................................................................5-3
5.3 Fuel system ........................................................................................................................................................................ 5-4
Fuel specification .............................................................................................................................................................5-4
Stationary fuel pumps ......................................................................................................................................................5-5
Refueling ..........................................................................................................................................................................5-5
Bleeding the fuel system ..................................................................................................................................................5-6
Checking/cleaning the additional fuel filter (water separator, option) ...............................................................................5-6
5.4 Engine lubrication system .................................................................................................................................................. 5-7
Inspections and maintenance work on the engine ........................................................................................................... 5-7
Checking the engine oil level ...........................................................................................................................................5-7
Adding engine oil ..............................................................................................................................................................5-8
5.5 Washer system tank ........................................................................................................................................................... 5-8
Refilling washer fluid ........................................................................................................................................................5-8
5.6 Engine and hydraulics cooling system ............................................................................................................................... 5-9
Instructions regarding cooling system maintenance ........................................................................................................5-9
Notices on inspection and cleaning work on the cooling system .....................................................................................5-9
Temperature gauge: diesel engine coolant ....................................................................................................................5-10
Checking the coolant level .............................................................................................................................................5-10
Adding coolant ...............................................................................................................................................................5-11
Cleaning the radiator fins ...............................................................................................................................................5-12
5.7 Air filter ............................................................................................................................................................................. 5-13
Checking the air filter for dirt ..........................................................................................................................................5-13
Replacing the air filter cartridge .....................................................................................................................................5-14
5.8 V-belt ................................................................................................................................................................................ 5-15
Checking/retightening the V-belt on the fan wheel ......................................................................................................... 5-15
Checking/retightening the V-belt (compressor of optional air conditioning) ...................................................................5-16
5.9 Hydraulic system .............................................................................................................................................................. 5-17
Instructions regarding maintenance of the hydraulic system .........................................................................................5-17
Monitoring the hydraulic oil and the return filter .............................................................................................................5-18
Checking the hydraulic oil level ......................................................................................................................................5-19
Adding hydraulic oil ......................................................................................................................................................
..5-20
Notices on the use o
f biodegradable oil .........................................................................................................................5-21
5.10 Checking hydraulic pressure lines .................................................................................................................................... 5-22
Instructions regarding checks ........................................................................................................................................5-22
5.11 Lubrication work on the axles ........................................................................................................................................... 5-23
Lubricating the rear axle .................................................................................................................................................5-23
Lubricating the front and rear axle planetary drive bearings ..........................................................................................5-23
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5.12 Lubrication work on the loader unit ................................................................................................................................... 5-24
Instructions regarding lubrication work on the loader unit ...............................................................................................5-24
Lubricating the loader unit, lift, tilt and lock cylinders ......................................................................................................5-24
5.13 Lubricating with the central lubrication system (option) .................................................................................................... 5-26
Functional description of the central lubrication system .................................................................................................5-26
Lubrication time control ...................................................................................................................................................5-26
Repair work .....................................................................................................................................................................5-26
Setting the lubrication and break times ...........................................................................................................................5-27
Filling the central lubrication system ...............................................................................................................................5-27
5.14 Maintenance of the braking system .................................................................................................................................. 5-28
Specific instructions regarding the braking system .........................................................................................................5-28
Checking/adding brake fluid ............................................................................................................................................5-28
5.15 Tires .................................................................................................................................................................................. 5-29
Daily tire checks ..............................................................................................................................................................5-29
Wheel change .................................................................................................................................................................5-30
5.16 Heating and ventilation system maintenance .................................................................................................................... 5-31
Cleaning the dust filter of the heating system .................................................................................................................5-31
5.17 Air conditioning (option): maintenance .............................................................................................................................. 5-32
Instructions regarding the air conditioning ......................................................................................................................5-32
Daily functional and visual checks of the air conditioning ...............................................................................................5-32
Cleaning the heat exchanger (condenser) ......................................................................................................................5-33
5.18 Electrical system ............................................................................................................................................................... 5-34
Instructions regarding the electrical system and the battery ..........................................................................................5-34
Checking the battery .......................................................................................................................................................5-35
Replacing the battery ......................................................................................................................................................5-36
Inspection and maintenance work on the electrical system at regular intervals .............................................................5-36
Checking the alternator ...................................................................................................................................................5-37
Checking/replacing fuses on the board ...........................................................................................................................5-37
Checking/replacing fuses of the front socket ..................................................................................................................5-38
Checking/replacing fuses of the main fuse box ..............................................................................................................5-39
5.19 Cleaning and maintenance work ....................................................................................................................................... 5-40
Instructions regarding cleaning work ..............................................................................................................................5-40
Cleaning inside the cabin ................................................................................................................................................5-41
Cleaning the pedals ........................................................................................................................................................5-41
Cleaning the door locks and arresters ............................................................................................................................5-42
Cleaning the seat belt .....................................................................................................................................................5-42
Cleaning the exterior of the machine ..............................................................................................................................5-42
Cleaning the engine compartment ..................................................................................................................................5-43
Checking threaded fittings ..............................................................................................................................................5-43
Checking pivots and hinges ............................................................................................................................................5-43
5.20 Maintenance of attachments and of the work equipment .................................................................................................. 5-43
5.21 Maintenance work “Aggressive Media” (option) ................................................................................................................ 5-44
Anticorrosion protection applied in the factory ................................................................................................................5-44
Components coated with anticorrosive wax ....................................................................................................................5-44
Measures for maintaining anticorrosive protection .........................................................................................................5-45
Applying the protective anticorrosion coating .................................................................................................................5-46
Treatment of oxidized surfaces ................................................................................................
.......................................5-46
5.22
Fluids and lubricants ..........................................
............................................................................................................... 5-47
5.23 Explanation of symbols on the maintenance label ............................................................................................................ 5-48
5.24 Maintenance label ............................................................................................................................................................. 5-49
5.25 Maintenance plan .............................................................................................................................................................. 5-50
Maintenance plan overview ............................................................................................................................................5-50
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6 Specifications
6.1 Models and trade names (overview) .................................................................................................................................. 6-1
6.2 Frame ................................................................................................................................................................................. 6-1
6.3 Engine ................................................................................................................................................................................ 6-1
6.4 Drive ................................................................................................................................................................................... 6-2
Variable displacement pump ............................................................................................................................................6-2
6.5 Front/rear axles .................................................................................................................................................................. 6-3
Front axle .........................................................................................................................................................................6-3
Rear axle ..........................................................................................................................................................................6-3
6.6 Brakes ................................................................................................................................................................................ 6-4
Service brake ...................................................................................................................................................................6-4
Parking brake ...................................................................................................................................................................6-4
6.7 Steering system .................................................................................................................................................................. 6-4
6.8 Operating hydraulics .......................................................................................................................................................... 6-5
Hydraulic pump, control valve, hydraulic oil tank .............................................................................................................6-5
Protection: lift, tilt and quickhitch cylinders .......................................................................................................................6-5
Lift and tilt cylinder speed .................................................................................................................................................6-6
Usable consumer pressure at 3rd control circuit .............................................................................................................. 6-6
Usable consumer pressure at additional control circuit (option) ......................................................................................6-6
6.9 Electrical system ................................................................................................................................................................ 6-7
Electric units/light bulbs .................................................................................................................................................... 6-7
Checking/replacing the main fuse box and the switching relays ......................................................................................6-7
Fuse assignment ..............................................................................................................................................................6-8
Fuse assignment for 14-pole front socket ........................................................................................................................6-9
Switching relay assignment on board ............................................................................................................................6-10
Switching relay assignment on bracket ..........................................................................................................................6-10
6.10 Tires ................................................................................................................................................................................. 6-11
Tires ...............................................................................................................................................................................6-11
6.11 Weights ............................................................................................................................................................................ 6-11
6.12 Noise levels ...................................................................................................................................................................... 6-12
Noise levels (self-propelled work machines) ..................................................................................................................6-12
6.13 Coolant compound table .................................................................................................................................................. 6-12
6.14 Vibrations, oscillation and acceleration value ................................................................................................................... 6-12
6.15 DIN/EN – American measures ......................................................................................................................................... 6-13
6.16 Tightening torques ............................................................................................................................................................ 6-14
General tightening torques .............................................................................................................................................6-14
Specific tightening torques .............................................................................................................................................6-14
6.17 Payloads and capacities ................................................................................................................................................... 6-15
Loader unit with bucket ..................................................................................................................................................6-15
Loader unit with pallet forks ...........................................................................................................................................6-15
6.18 Dimensions with bucket .................................................................................................................................................... 6-16
6.19 Dimensions with pallet forks ............................................................................................................................................. 6-17
Index
Index .............................................................................................................................................................................................S-1
BA 34900 US * 2.0 * 34901b110_usa.fm 1-1
Introduction 1
1 Introduction
1.1 Operator’s Manual
Notices on this Operator’s Manual
This Operator’s Manual applies only to the wheel loader models: 349-00 (see type label
on machine)
It is primarily designated for the machine operator and provides instructions on:
•use
• mode of operation
• safety instructions
• operation, set-up and maintenance of the machine.
Important! Carefully read and understand the Operator’s Manual before starting up, ser-
vicing or repairing the machine.
Pay particular attention to the “Safety Instructions” given in chapter 2.
• The Operator’s Manual and any supplements must always be at hand at the place of
use of the machine, and must therefore be kept in the storage compartment or net
behind the operator seat.
• Immediately replace an incomplete or illegible Operator’s Manual by a new one.
• In addition to the Operator’s Manual, observe and instruct the operator in all other
generally applicable legal and other mandatory regulations relevant to accident
prevention and environmental protection.
• Observe the Operator’s Manual of the attachments.
Wacker Neuson keep abreast of the latest technical developments and constantly improve
their products.
We may from time to time need to make changes to diagrams and descriptions in this
documentation which do not reflect products which have already been delivered and which
will not be implemented on these machines.
Technical data, dimensions and weights are only given as an indication. Responsibility for
errors or omissions not accepted.
Please contact your dealer if you require more information on the machine or the
Operator’s Manual.
Introduction
Table of contents
Index
1-2 BA 34900 US * 2.0 * 34901b110_usa.fm
1Introduction
Explanations, abbreviations and symbols
The indication left or right in the descriptions always refers to the traveling direction of the
machine.
Symbols Explanation
•
Identification of general enumerations or lists of an activity
☞
Identification of activities to be performed
➥
Identification of results of an enumeration or lists of an activity
Abbreviations Explanation
l litre
MAX maximum
MIN minimum
min. Minutes
sec Seconds
e.g. for example
Fig. Figure
s/h Service hours
Hydr. Hydraulic
Without teeth
Order no. Order or part number
Doc. Document
(opt) Option
BA 34900 US * 2.0 * 34901b110_usa.fm 1-3
Introduction 1
1.2 Machine safety information
Handling the machine
Knowledge of the safety instructions and regulations is a prerequisite for the safe handling
and correct operation of the machine
• All persons operating or working on this machine must observe this Operator’s Manual,
in particular the safety instructions
• The national accident prevention rules and regulations that apply to the place of use of
the machine must be followed
• The machine has been designed and built in accordance with state-of-the-art standards
and the recognized safety regulations. Nevertheless, its use can constitute a risk to life
and limb of the user or of third parties, or cause damage to the machine or to other
material property
• The machine may only be used according to its designated use and only in a
technically perfect and safe condition.
• Your own safety, as well as the safety of others, depends to a great extent on how the
machine is moved and operated. Therefore careful and prudent working is the best way
to avoid accidents
• Have defects affecting safety rectified immediately
Warranty and liability
The “Conditions of Sales and Delivery” of our sales partners apply as a rule.
In case of personal injury or damage to property, warranty and liability claims are excluded
if injury or damage is due to one or more of the following causes:
• Non-designated use of the machine
• Incorrect start, operation and maintenance of machine
• Operation of machine with safety and protective equipment that is malfunctioning,
incorrectly installed or not in working order
• Failure to observe instructions in the Operator’s Manual regarding putting into
operation, operation, fitting attachments, maintenance, transportation and shut-down or
storage of the machine
• Modifications on the cabin, protective structures or machine without proper authority,
for example modifications affecting the drive (output, engine speed)
• Inadequate monitoring of machine parts crucial to safety and subject to wear
• Incorrect maintenance and repair work
1-4 BA 34900 US * 2.0 * 34901b110_usa.fm
1Introduction
Maintenance, repair work, spare parts
In order to ensure the machine’s operational safety, readiness and service life,
maintenance work must be performed regularly.
➥– see chapter 5 “Important information on maintenance and service work” on page 5-1
and Maintenance plan on page 5-50
Important
Repair work, maintenance or modifications may only be performed by
specifically trained technical personnel or by a service center
Insist on using original spare parts for repairs
The machine’s permits, certifications, registrations, etc., may be withdrawn if
machine parts/components with a prescribed condition or quality, or machine
parts/components that can put persons at risk during operation, are
subsequently modified or exchanged
BA 34900 US * 2.0 * 34901b110_usa.fm 1-5
Introduction 1
1.3 Brief description of the machine
Models and trade name of the machine
Machine licensing
The wheel loader is a self-propelled work machine.
See also the wheel loader’s “Data Confirmation” (Germany) and “License Certificate”
(Germany).
National regulations must be observed for license certificates for traveling on public
roads.
Possible applications – see Fields of application and using a machine with an attach-
ment on page 1-9.
Important
The machine is not certified for applications with lifting gear. Fitting hooks,
eyelets, etc. on the bucket or loader unit is not allowed – see Warranty and lia-
bility on page 1-3 and Applications with lifting gear on page 2-7!
Permissible temperature range
Important
The operating temperature range for a machine serviced in compliance with
the maintenance instructions is −15 to +40 °C (5 to 104 °F) during normal
operation with short intervals of operation at maximum output
Operating temperatures below −15 °C or above +40 °C (below 5 °F or above
104 °F) require special equipment and/or material (fuel, engine and hydraulic
oil).
Please contact your dealer if you require more information on operation in
extreme temperature ranges.
Wheel loader model Trade name
349-00 WL 550
1-6 BA 34900 US * 2.0 * 34901b110_usa.fm
1Introduction
Main components of machine
• ROPS/FOPS tested cabin (roll-over/falling object protection)
– see Cabin number on page 1-12
➥ ROPS is the abbreviation for “Roll Over Protective Structure”
➥ FOPS is the abbreviation for “Falling Object Protective Structure”
• Water-cooled four-cylinder Yanmar diesel engine,
exhaust emissions according to EC standard 2004/26 EC
• Sturdy steel sheet frame; engine installed on vibration elements
• Automotive drive, infinitely variable hydrostatic axial-piston gearbox;
- Maximum speed 20 kph (12.5 mph)
- Maximum speed option 30 kph (18.6 mph)
• Hydraulic four-wheel power steering with emergency steering features
• Front and rear planetary steering axles, rear axle with oscillation
• Service brake (brake disc on front axle drive shaft – brake effect on rear axle via cardan
shaft)
• Parking brake (brake disc on front axle drive shaft)
Hydrostatic drive
The diesel engine permanently drives a hydraulic pump (variable displacement pump), the
oil flow of which is sent to a hydraulic motor flanged on the transfer gearbox. The output of
the hydraulic motor is transmitted to the front axle via the transfer gearbox (flanged on rear
axle) and the cardan shaft connection. This creates a permanent 4 wheel drive transmis-
sion.
Operating hydraulics and 4 wheel steering
A gear pump (flanged on the variable displacement pump of the drive) supplies the operat-
ing hydraulics and, via a priority valve, also the hydrostatic steering.
The oil flow of the pump depends on the diesel engine speed.
When the machine is in operation, the entire diesel engine output can be transmitted to the
gear pump for operating hydraulics and steering.
This is made possible by a so-called inching valve that responds as soon as the brake/
inching pedal is used, reducing or cutting off power input of the drive.
Therefore, engine output is fully available for the operating hydraulics (loader unit) by
pressing the accelerator pedal and the brake/inching pedal at the same time.
Cooling system
A combined water/hydraulic oil radiator (for the diesel engine and the hydraulic oil) is
located in the engine compartment.
Indicator lights on the instrument panel illuminate in case of overheating of the hydraulic oil
temperature and the cooling temperature of the diesel engine.
BA 34900 US * 2.0 * 34901b110_usa.fm 1-7
Introduction 1
1.4 Machine outside view
Fig. 1: Machine outside view
Pos. Description
1 Bracket for warning stripe (option)
2 Headlights with turn indicators
3 Radio aerial (option)
4 Left/right rearview mirrors
5 Front working lights (option)
6 Protective FOPS screen (option)
7 4 eye hooks for removing the cabin
1
8 Door arrester
9 Rear working lights (standard on left/option on right)
10 Rotating beacon (option)
11 Backup warning system (option)
12 Numberplate bracket with light (option)
13 Rear right working light (option)
14 Engine cover lock
15
Additional reflectors (required for attachments over
1710 mm/67.32 in wide)
16 Turn indicator/brake/rear lights and reflectors
17
Rear hooks for loading/tying down the machine (left/
right)
18 Quickhitch couplers for additional control circuit (option)
19 Towing gear
2
(option)
20 Handhold
21 Socket for hydraulic oil preheater (option)
22 Safety prop for loader unit
23 Wheel chock
24 Bracket for numberplate and warning stripe (option)
25
Hooks for loading/tying down the machine at front of
frame (left/right)
26 Front right towing gear
2
27 Front-edge protection
1. Eye hooks are for removing the cabin only, and may not be used for crane-lifting the
machine.
2. Not certified as a trailer coupling or for loading or tying down the machine.
Pos. Description
3
2
1
106 9 11 12 137
14
27 20
23
25 1726 24
22
21 19 1718 1616
854
1515
18
1-8 BA 34900 US * 2.0 * 34901b110_usa.fm
1Introduction
1.5 Legal regulations regarding machine operation
Principal regulations for the operating personnel
• Read and understand the Operator’s Manual before putting the machine into service
➥Pay particular attention to the chapter on safety starting page 2-1
• Be sure to observe the “Safety and Warning Instructions” labels on the wheel loader
• Have damaged or illegible safety instructionss immediately replaced by new ones
• Transporting accompanying persons in the cabin, on the wheel loader or in/on the
attachments is not allowed
• The machine may be put into operation and the loader unit may be operated from the
operator seat only
• Before leaving the operator seat, lower the loader unit completely, apply the parking
brake, stop the diesel engine and remove the ignition key
• The wheel loader may not be used for applications with lifting gear
• As a self-propelled work machine, the wheel loader may not be used for transpor-
tation jobs on public roads
If this machine is licensed for agriculture and forestry, the national regulations and laws
apply (see also the “Data Confirmation and License Certificate” of the wheel loader)
Driving license
Wheel loaders may be driven on public roads only if the operator has a driving license as
defined by national traffic regulations.
Machine inspection, registration, identification
Follow the national safety regulations when operating the machine.
The competent inspection authority may require the inspection report to be available at the
place where the machine is used.
On-board documents and equipment:
Operator’s Manual and supplements to it, machine documentation, registration, driving
license, etc.
Observe the legal regulations of your country.
BA 34900 US * 2.0 * 34901b110_usa.fm 1-9
Introduction 1
1.6 Fields of application and using a machine with an attachment
Instructions regarding the use of attachments
The attachments will decide in the first place how the machine is used.
NOTICE
In order to avoid damage to the machine, installing attachments from other manufacturers
is only allowed if they correspond to the description in chapter “Operation” “Equipping the
machine with a standard bucket” on page 3-69 and Fitting pallet forks on page 3-79.
The following table lists the certified attachments with the possible applications
Important
Traveling on public roads with an attachment is only allowed if this is in
compliance with national regulations.
Fitting attachments onto the machine
This Operator’s Manual only describes how to install and use the standard bucket and pal-
let forks.
– see chapter 3 “Working with a bucket” on page 3-73
– see chapter 3 “Working with the pallet forks” on page 3-81
Refer to the Operator’s Manuals of the attachments for information on installing and using
other attachments.
1-10 BA 34900 US * 2.0 * 34901b110_usa.fm
1Introduction
Overview of certified attachments
Description of
attachment
Wheel
loader
Part no.
(model)
Dimension
mm (in)
ISO 7546
capacity
struck/heaped m³
(in³)
Use
Bucket (normal material) 349-00
1
1. With additional counterweight 1000260391 (182 kg/401.2 lbs)
1000288406
1000288672
1650 (64.96)
with teeth
1650 (64.96)
without teeth
0.5 (31) /
0.65 (40)
Loosening, picking up, transporting
and loading loose or solid material
(material density p = 1.8 t/m³
(material density p =112 lb/ft³)
Bucket
(lightweight material)
349-00
1
1000288421
1850 (72.83) without
teeth
0.6 (37)/
0.9 (55)
Picking up, transporting and loading
very lightweight material
(material density p = 1.3 t/m³
(material density p = 81 lb/ft³)
Bucket
(superlightweight material)
349-00
1
1000288606
1850 (72.83) without
teeth
0.8 (49)/
1.0 (61)
Picking up, transporting and loading
very lightweight material
(material density p = 0.9 t/m³
(material density p = 56 lb/ft³)
Pallet forks 349-00
1
Werk-Brau Co. Inc.
WBPF2-48
WBPF3-48
Picking up and transporting pallets
and stacked material
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