Kubota MX5100 Workshop Manual

TO THE READER

This Workshop Manual has been prepared to provide servicing personnel with

information on the mechanism, service and maintenance of MX5100. It is divided into

three parts, “General”, “Mechanism” and “Servicing”.

■ General

Information on the tractor identification, the general precautions, maintenance check

list, check and maintenance and special tools are described.

■ Mechanism

Information on the construction and function are included. This part should be

understood before proceeding with troubleshooting, disassembling and servicing.

Refer to Diesel Engine / Tractor Mechanism Workshop Manual (Code No. 9Y021-

01874 / 9Y021-18201) for the one which has not been described to this workshop

manual.

■ Servicing

Information on the troubleshooting, servicing specification lists, tightening torque,

checking and adjusting, disassembling and assembling, and servicing which cover

procedures, precautions, factory specifications and allowable limits.

All information illustrations and specifications contained in this manual are based on

the latest product information available at the time of publication.

The right is reserved to make changes in all information at any time without notice.

Due to covering many models of this manual, information or picture being used, have

not been specified as one model.

November 2007

1

MX5100, WSM

SAFETY INSTRUCTIONS

BEFORE SERVICING AND REPAIRING

• Read all instructions and safety instructions in this

manual and on your machine safety decals.

• Clean the work area and machine.

• Park the machine on a firm and level ground, and set

the parking brake.

• Lower the implement to the ground.

• Stop the engine, and remove the key.

• Disconnect the battery negative cable.

• Hang a “DO NOT OPERATE” tag in operator

station.

SAFETY FIRST

This symbol, the industry’s “Safety Alert Symbol”, is used throughout this manual and on labels on

the machine itself to warn of the possibility of personal injury. Read these instructions carefully.

It is essential that you read the instructions and safety regulations before you attempt to repair or use

this unit.

DANGER : Indicates an imminently hazardous situation which, if not avoided, will result in

death or serious injury.

WARNING : Indicates a potentially hazardous situation which, if not avoided, could result in

death or serious injury.

CAUTION : Indicates a potentially hazardous situation which, if not avoided, may result in

minor or moderate injury.

■ IMPORTANT : Indicates that equipment or property damage could result if instructions are not

followed.

■ NOTE : Gives helpful information.

2

MX5100, WSM

SAFETY INSTRUCTIONS

SAFETY STARTING

• Do not start the engine by shorting across starter

terminals or bypassing the safety start switch.

• Do not alter or remove any part of machine safety

system.

• Before starting the engine, make sure that all shift

levers are in neutral positions or in disengaged

positions.

• Never start the engine while standing on ground.

Start the engine only from operator’s seat.

SAFETY WORKING

• Do not work on the machine while under the influence

of alcohol, medication, or other substances or while

fatigued.

• Wear close fitting clothing and safety equipment

appropriate to the job.

• Use tools appropriate to the work. Makeshift tools,

parts, and procedures are not recommended.

• When servicing is performed together by two or more

persons, take care to perform all work safely.

• Do not work under the machine that is supported

solely by a jack. Always support the machine by

safety stands.

• Do not touch the rotating or hot parts while the engine

is running.

• Never remove the radiator cap while the engine is

running, or immediately after stopping. Otherwise, hot

water will spout out from radiator. Only remove

radiator cap when cool enough to touch with bare

hands. Slowly loosen the cap to first stop to relieve

pressure before removing completely.

• Escaping fluid (fuel or hydraulic oil) under pressure

can penetrate the skin causing serious injury. Relieve

pressure before disconnecting hydraulic or fuel lines.

Tighten all connections before applying pressure.

• Do not open high-pressure fuel system.

High-pressure fluid remaining in fuel lines can cause

serious injury. Do not disconnect or attempt to repair

fuel lines, sensors, or any other components between

the high-pressure fuel pump and injectors on engines

with high pressure common rail fuel system.

• High voltage exceeding 100 V is generated in the

ECU and injector.

Pay sufficient caution to electric shock when

performing work activities.

3

MX5100, WSM

SAFETY INSTRUCTIONS

AVOID FIRES

• Fuel is extremely flammable and explosive under

certain conditions. Do not smoke or allow flames or

sparks in your working area.

• To avoid sparks from an accidental short circuit,

always disconnect the battery negative cable first and

connect it last.

• Battery gas can explode. Keep sparks and open

flame away from the top of battery, especially when

charging the battery.

• Make sure that no fuel has been spilled on the engine.

VENTILATE WORK AREA

• If the engine must be running to do some work, make

sure the area is well ventilated. Never run the engine

in a closed area. The exhaust gas contains poisonous

carbon monoxide.

PREVENT ACID BURNS

• Sulfuric acid in battery electrolyte is poisonous. It is

strong enough to burn skin, clothing and cause

blindness if splashed into eyes. Keep electrolyte

away from eyes, hands and clothing. If you spill

electrolyte on yourself, flush with water, and get

medical attention immediately.

DISPOSE OF FLUIDS PROPERLY

• Do not pour fluids into the ground, down a drain, or

into a stream, pond, or lake. Observe relevant

environmental protection regulations when disposing

of oil, fuel, coolant, electrolyte and other harmful

waste.

4

MX5100, WSM

SAFETY INSTRUCTIONS

PREPARE FOR EMERGENCIES

• Keep a first aid kit and fire extinguisher handy at all

times.

• Keep emergency numbers for doctors, ambulance

service, hospital and fire department near your

telephone.

5

MX5100, WSM

SAFETY INSTRUCTIONS

The following safety decals are installed on the machine.

If a decal becomes damaged, illegible or is not on the machine, replace it. The decal part number is listed in

the parts list.

SAFETY DECALS

6

MX5100, WSM

SAFETY INSTRUCTIONS

7

MX5100, WSM

SAFETY INSTRUCTIONS

8

MX5100, WSM

SPECIFICATIONS

NOTE: *Manufacture’s estimate

The company reserves the right to change the specifications without notice.

W10281030

Model

MX5100

2WD 4WD

Engine

Model V2403-M-TE3

Type E-TVCS Indirect injection, water-cooled diesel

No. of cylinders / Aspiration 4 / Turbocharged

Total displacement 2.434 L (148.6 cu.in.)

Bore and stroke 87 × 102.4 mm (3.4 × 4.0 in.)

Net power 37.3 kW (50 HP)*

PTO power (factory observed)

32.8 kW (44 HP)* / 2700 min

−1

(rpm)

Maximum torque 166.3 N·m (122.7 lbf·ft)

Battery capacity 12 V, RC : 133 min, OCA : 582 A

Fuel Diesel fuel No. 1 [below −10 °C (14 °F)] Diesel fuel No. 2 [above −10 °C (14 °F)]

Capacities

Fuel tank 48 L (12.7 U.S.gals, 10.6 Imp.gals)

Engine crankcase (with filter) 8.0 L (8.5 U.S.qts, 7.0 Imp.qts)

Engine coolant 7.0 L (7.4 U.S.qts, 5.8 Imp.qts)

Transmission case 44.0 L (11.6 U.S.gals, 9.7 Imp.gals)

Dimensions

Overall length (without 3P) 3245 mm (127.8 in.) 3120 mm (122.8 in.)

Overall width (min. tread) 1770 mm (69.7 in.)

Overall height (with ROPS) 2430 mm (95.7 in.)

Wheel base 1895 mm (74.6 in.)

Min. ground clearance 405 mm (15.9 in.) 385 mm (15.2 in.)

Tread

Front

1280 mm (50.4 in.), 1380 mm (54.3 in.)

1480 mm (58.3 in.), 1580 mm (62.2 in.)

1325 mm (52.2 in.)

Rear 1375 mm (54.1 in.), 1490 mm (58.7 in.)

Weight (with ROPS) 1528 kg (3369 lbs) 1642 kg (3620 lbs)

Travelling

system

Standard tire

size

Front 7.5L-15 9.5-16

Rear 14.9-26

Clutch Dry type single stage

Steering Hydrostatic power steering

Transmission Gear shift, 8 forward and 8 reverse

Braking system Wet disk type

Min. turning radius (with brake) 2.6 m (8.5 feet) 2.7 m (8.9 feet)

Hydraulic unit

Hydraulic control system Position control (standard), Draft (Option)

Pump capacity 35.8 L (9.5 U.S.gals)

Three point hitch SAE Category Ι & ΙΙ

Max. lift force

At lift points 1300 kg (2870 lbs)

24 in. behind

lift points

1050 kg (2310 lbs)

System pressure 18.6 MPa (190 kgf/cm

2

)

PTO

Rear PTO SAE 1-3/8, 6 splines

PTO / Engine speed

540 / 2700 min

-1

(rpm)

9

MX5100, WSM

TRAVELLING SPEEDS

The company reserves the right to change the specifications without notice.

W10350650

Model MX5100

Tire size (Rear) 14.9-26

Range gear shift

lever

Main gear shift

lever

km/h (mph)

Forward

Low

1 1.6 (1.0)

2 2.2 (1.4)

3 3.6 (2.3)

4 5.4 (3.3)

High

1 7.6 (4.7)

210.8 (6.7)

3 17.5 (10.9)

4 25.9 (16.0)

Reverse

Low

1 1.5 (0.9)

2 2.1 (1.3)

3 3.3 (2.1)

4 4.9 (3.1)

High

1 7.0 (4.3)

2 9.9 (6.1)

3 16.1 (10.0)

4 23.7 (14.7)

10

MX5100, WSM

DIMENSIONS

11

MX5100, WSM

DIMENSIONS

12

MX5100, WSM

DIMENSIONS

G GENERAL

CONTENTS

GENERAL

1. TRACTOR IDENTIFICATION ......................................................................... G-1

[1] MODEL NAME AND SERIAL NUMBER................................................ G-1

[2] CYLINDER NUMBER ............................................................................... G-2

2. GENERAL PRECAUTIONS............................................................................ G-3

3. HANDLING PRECAUTIONS FOR ELECTRICAL PARTS AND WIRING.. G-4

[1] WIRING ..................................................................................................... G-4

[2] BATTERY................................................................................................... G-6

[3] FUSE.......................................................................................................... G-6

[4] CONNECTOR............................................................................................ G-6

[5] HANDLING OF CIRCUIT TESTER......................................................... G-7

4. LUBRICANTS, FUEL AND COOLANT ......................................................... G-8

5. TIGHTENING TORQUES ............................................................................. G-10

[1] GENERAL USE SCREWS, BOLTS AND NUTS................................. G-10

[2] STUD BOLTS.......................................................................................... G-10

[3] METRIC SCREWS, BOLTS AND NUTS ............................................. G-11

[4] AMERICAN STANDARD SCREWS, BOLTS AND NUTS WITH UNC

OR UNF THREADS............................................................................... G-11

[5] PLUGS..................................................................................................... G-11

6. MAINTENANCE............................................................................................. G-12

7. CHECK AND MAINTENANCE..................................................................... G-14

[1] DAILY CHECK........................................................................................ G-14

[2] CHECK POINTS OF INITIAL 50 HOURS........................................... G-19

[3] CHECK POINTS OF EVERY 50 HOURS........................................... G-21

[4] CHECK POINTS OF EVERY 100 HOURS........................................ G-23

[5] CHECK POINTS OF EVERY 200 HOURS......................................... G-28

[6] CHECK POINTS OF EVERY 400 HOURS......................................... G-31

[7] CHECK POINT OF EVERY 600 HOURS ........................................... G-32

[8] CHECK POINT OF EVERY 800 HOURS ........................................... G-33

[9] CHECK POINT OF EVERY 1500 HOURS ......................................... G-34

[10]CHECK POINTS OF EVERY 3000 HOURS....................................... G-36

[11]CHECK POINT OF EVERY 1 YEAR................................................... G-38

[12]CHECK POINTS OF EVERY 2 YEARS.............................................. G-38

[13]OTHERS.................................................................................................. G-41

8. SPECIAL TOOLS.......................................................................................... G-43

[1] SPECIAL TOOLS FOR ENGINE .......................................................... G-43

[2] SPECIAL TOOLS FOR TRACTOR....................................................... G-52

9. TIRES............................................................................................................. G-59

[1] TYPES OF TIRE.................................................................................... G-59

[2] TREADS ADJUSTMENT ........................................................................ G-60

(1) Front Wheels...................................................................................... G-60

(2) Rear Wheels ...................................................................................... G-61

(3) Wheel Hub......................................................................................... G-62

[3] TIRE PRESSURE................................................................................... G-63

[4] TIRE LIQUID INJECTION...................................................................... G-64

[5] IMPLEMENT LIMITATIONS.................................................................... G-67

G-1

MX5100, WSM

G GENERAL

1. TRACTOR IDENTIFICATION

[1] MODEL NAME AND SERIAL NUMBER

When you contact local KUBOTA distributor, always specify the

engine serial number, the tractor serial number and hour meter

reading.

W10106000

(1) Tractor Identification Plate

(2) Tractor Serial Number

(3) Engine Serial Number

(4) Hour Meter

G-2

MX5100, WSM

G GENERAL

[2] CYLINDER NUMBER

The cylinder numbers of KUBOTA diesel engine is designated as

shown in the figure.

The sequence of cylinder numbers is given as No.1, No.2, No.3

and No.4 starting from the front cover side.

W1011077

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Kubota MX5100 Workshop Manual

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