Ransomes Tri King 1800 Series Installation guide

Type
Installation guide

This manual is also suitable for

Dealer’s
Manual
When Performance Matters.
WARNING
If incorrectly used, this machine can cause severe injury. Those who use
and maintain this machine should be trained in its proper use, warned of its
dangers, and should read the entire manual before attempting to set up,
operate, adjust, or service the machine.
Dealer
This manual is designed to assist dealer
personnel with the proper set up and
preparation of the equipment prior to
delivery to the customer. You may wish to
keep a copy in your customer file.
Do Not Remove the Safety & Operation
Manual or Parts & Maintenance Manual
from the tractor.
For additional information not included in
this manual, refer to your office copy of:
The Safety & Operation Manual
The Parts & Maintenance Manual
Use the pre-del
ivery checklist provided on
the inside back cover of this manual. You
may wish to provide a copy to the
customer upon delivery of the unit.
1800/1900 Series Tri King
®
67043 - Kubota D662-EB Engine
2810629-Rev A-GB
2
CONTENTS
This manual contains safety and operating instructions
for your new Jacobsen machine. This manual should be
stored with the equipment for reference during operation.
Before you operate your machine, you and each operator
you employ should read the manual carefully in its
entirety. By following the safety, operating, and
maintenance instructions, you will prolong the life of your
equipment, and maintain its maximum efficiency.
If additional information is needed, contact your
Jacobsen Dealer.
The serial plate is located on the frame behind the left
front tire. Jacobsen recommends you record these
numbers below for easy reference.
CHARLOTTE, NC
YEAR OF
PRODUCTION:
MADE IN U.S.A.
®
A Textron Company
FOREWORD
1 CONTENTS
1 Contents
2 Safety
2.1 Operating Safety.................................................. 3
2.2 Important Safety Notes ........................................ 4
3 Controls
3.1 Icons .................................................................... 5
3.2 Controls ............................................................... 7
3.3 Opening The Hood .............................................. 8
3.4 Steering Console Cover ....................................... 8
4Set-Up
4.1 General ................................................................ 9
4.2 Initial Inspection ................................................... 9
4.3 Wheels ................................................................. 9
4.4 Steering Wheel .................................................. 10
4.5 ROPS ................................................................. 10
4.6 Seat ................................................................... 11
4.7 Front Mower Hose Bracket ................................ 11
4.8 Front Mowers ..................................................... 12
4.9 Center (Rear) Mower ......................................... 13
4.10 Reel adjustments ............................................... 13
4.11 Battery ............................................................... 13
4.12 Down Pressure Springs ..................................... 14
4.13 Operating Checks .............................................. 15
4.14 Operator Back-up System ................................. 15
5 Adjustments
5.1 General.............................................................. 16
5.2 Fan Belt ............................................................. 16
5.3 Pump Drive Belt ................................................. 16
5.4 Neutral and 3WD Switches ................................ 17
5.5 Parking Brake Switches ..................................... 17
5.6 Lift Limit Switch .................................................. 17
5.7 Traction Pedal Neutral ....................................... 18
5.8 Traction Pedal Forward Stop ............................. 18
5.9 Lift / Lower Pedal Stop ...................................... 18
5.10 Parking Brake .................................................... 19
5.11 Rear Lift Arm ..................................................... 19
5.12 Down Pressure .................................................. 19
5.13 Reel To Bedknife ............................................... 20
5.14 Reel to Bedknife Adjustment ............................. 20
5.15 Cutting Modes ................................................... 21
5.16 Cutting Height Adjustment ................................. 21
5.17 Removing the Cutting Unit ................................. 22
5.18 Cutting Height - Fixed Mode .............................. 22
5.19 Cutting Height - Floating Mode .......................... 23
5.20 Torque Specification .......................................... 24
5.21 Specific Torque .................................................. 24
6 Troubleshooting
6.1 General.............................................................. 25
7 Maintenance & Lubrication Charts
7.1 General.............................................................. 26
7.2 Lubrication Chart ............................................... 26
LITHO IN U.S.A. 10-2008
© Copyright 2008, Textron Inc. “All rights reserved, including the
right to reproduce this material or portions thereof in any form.
Proposition 65 Warning
This product contains or emits
chemicals known to the State of
California to cause cancer and birth
defects or other reproductive harm.
SAFETY 2
3
2 SAFETY
2.1 OPERATING SAFETY ______________________________________________________
1. Safety is dependent upon the awareness, concern,
and prudence of those who operate or service the
equipment. Never allow minors to operate any
equipment.
2. It is your responsibility to read this manual and all
publications associated with this equipment (Parts
and Maintenance Manual, Engine Manual, and
attachments/accessories instruction sheets). If the
operator cannot read English it is the owner’s
responsibility to explain the material contained in this
manual to them.
3. Learn the proper use of the machine, the location and
purpose of all the controls and gauges, before you
operate the equipment. Working with unfamiliar
equipment can lead to accidents.
4. Never allow anyone to operate or service the machine
or its attachments without proper training and
instructions; or while under the influence of alcohol or
drugs.
5. Wear all the necessary protective clothing and personal
safety devices to protect your head, eyes, ears, hands,
and feet. Operate the machine only in daylight or in
good artificial light.
6. Evaluate the terrain to determine what accessories and
attachments are needed to properly and safely perform
the job. Only use accessories and attachments
approved by Jacobsen.
7. Stay alert for holes in the terrain and other hidden
hazards.
8. Inspect the area where the equipment will be used.
Pick up all the debris you can find before operating.
Beware of overhead obstructions (low tree limbs,
electrical wires, etc.) and also underground obstacles
(sprinklers, pipes, tree roots, etc.). Enter a new area
cautiously. Stay alert for hidden hazards.
9. Never direct discharge of material toward bystanders,
nor allow anyone near the machine while in operation.
The owner/operator can prevent and is responsible for
injuries inflicted to themselves, to bystanders, and
damage to property.
10. Do not carry passengers. Keep bystanders and pets a
safe distance away.
11. Never operate equipment that is not in perfect working
order or is without decals, guards, shields, discharge
deflectors, or other protective devices securely fastened
in place.
12. Never disconnect or bypass any switch.
13. Do not change the engine governor setting or
overspeed the engine.
14. Carbon monoxide in the exhaust fumes can be fatal
when inhaled. Never operate the engine without proper
ventilation or in an enclosed area.
15. Fuel is highly flammable; handle with care.
16. Keep the engine clean. Allow the engine to cool before
storing and always remove the ignition key.
17. Disengage all drives and engage parking brake before
starting the engine (motor). Start the engine only when
sitting in operator’s seat, never while standing beside
the unit.
18. Equipment must comply with the latest federal, state,
and local requirements when driven or transported on
public roads. Watch out for traffic when crossing or
operating on or near roads.
19. Local regulations may restrict the age of the operator.
20. Operate the machine up and down the face of slopes
(vertically), not across the face (horizontally).
21. To prevent tipping or loss of control, do not start or stop
suddenly on slopes. Reduce speed when making sharp
turns. Use caution when changing directions.
22. Always use the seat belt when operating mowers
equipped with a Roll Over Protective Structure (ROPS).
Never use a seat belt when operating mowers
without a ROPS.
Accessory operator protective structures will
continue to be offered for all equipment currently
covered. This allows for the outfitting of any
machines without previous ROPS installations or
replacement of damaged structures.
23. Keep legs, arms and body inside the seating
compartment while the vehicle is in motion.
This machine is to be operated and maintained as specified in this manual and is intended for the professional
maintenance of specialized turf grasses. It is not intended for use on rough terrain or long grasses.
WARNING
EQUIPMENT OPERATED IMPROPERLY OR BY UNTRAINED PERSONNEL CAN BE DANGEROUS.
Familiarize yourself with the location and proper use of all controls. Inexperienced operators should receive
instruction from someone familiar with the equipment before being allowed to operate the machine.
!
2 SAFETY
4
2.2 IMPORTANT SAFETY NOTES _______________________________________________
This safety alert symbol is used to alert you to potential hazards.
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
and property damage. It may also be used to alert against unsafe practices.
NOTICE - Indicates a potentially hazardous situation which, if not avoided, MAY result in property damage. It may
also be used to alert against unsafe practices.
For pictorial clarity, some illustrations in this manual may show shields, guards, or plates open or removed. Under no
circumstances should this equipment be operated without these devices securely fastened in place.
By following all instructions in this manual, you will prolong the life of your machine and maintain its maximum
efficiency. Adjustments and maintenance should always be performed by a qualified technician.
If additional information or service is needed, contact your Authorized Jacobsen Dealer, who is kept informed of the
latest methods to service this equipment, and can provide prompt and efficient service. Use of other than original or
authorized Jacobsen parts and accessories will void the warranty.
WARNING
The Interlock System on this mower prevents the mower from starting unless
the brake lever is engaged, mower switch is off, and traction pedal is in
neutral. The system will stop the engine if the operator leaves the seat
without engaging the parking brake or setting the mower switch off.
NEVER operate mower unless the Interlock System is working.
!
WARNING
1. Before leaving the operator’s position for any reason:
a. Return traction pedal to neutral.
b. Disengage all drives.
c. Lower all implements to the ground.
d. Engage parking brake.
e. Stop engine and remove the ignition key.
2. Keep hands, feet, and clothing away from moving parts. Wait for all
movement to stop before you clean, adjust, or service the machine.
3. Keep the area of operation clear of all bystanders and pets.
4. Never carry passengers, unless a seat is provided for them.
5. Never operate mowing equipment without the discharge deflector
securely fastened in place.
!
CONTROLS 3
5
3 CONTROLS
3.1 ICONS ___________________________________________________________________
WARNING
Never attempt to drive the mower unless you have read the Safety and Operation Manual
and know how to operate all controls correctly.
Familiarize yourself with the icons shown above and what they represent. Learn the
location and purpose of all of the controls and gauges before operating this mower.
Coolant
Temperature
D
Read Manual Engine Throttle
High Low
Hour Meter
Parking Brake
Engaged Disengaged
Fuel
Gasoline Diesel
Reel / 3WD Switch
Enable Disable
Choke
Engine
Off Run Start
Glow Plug
On Off
Reel Rotation
Forward Reverse
Circuit Breaker
!
3 CONTROLS
6
2811597
3003350
77
93
° C
170
200
° F
10 16
12 14
VOLTS
SOLID STATE
HOURS
00000
E
L
M
2
U
U
Y
F
J
R
V
G
K
S
W
A
B
C
D
H
N
2
M
1
N
1
P
T
X
A Throttle Lever
B Glow Plug Switch
C Circuit Breaker
D Water Temperature
E Engine Oil
F Voltmeter
G Hour Meter
H Ignition Switch
J Reel / 3WD Switch
K Backlap Switch
L Parking Brake Light
M1 Lift Pedal
M2 Lower Pedal
N1 Forward Pedal
N2 Reverse Pedal
P Parking Brake
R Hood Latch
S Left Side Hood
T Right Side Hood
U Console Latches
V Cooling Air Intake
W Engine Air Filter Intake
X Light Switch (Option)
Y Steering Console Cover
CONTROLS 3
7
3.2 CONTROLS_______________________________________________________________
A. Throttle Lever
Used to regulate engine speed.
B. Glow Plug Switch
Used to energize the glow plugs.
C. Circuit Breaker
If the gauges or ignition system fail to operate
properly, check the circuit breaker then depress cap
to reactivate the breaker.
D. Water Temperature
Indicates engine coolant temperature. Normal
operating temperature should be 185° - 195° F (85° -
91° C).
E. Engine Oil
The indicator will light if engine oil pressure drops
below 7 psi (48 kPa). Stop engine immediately,
determine the cause, and correct the problem before
resuming operation.
F. Voltmeter
Indicates battery condition. During normal operation
meter should never be in the red area.
G. Hour Meter
Used to time maintenance intervals or mowing
operations. The meter operates only when the
ignition key is in the ON position.
H. Ignition Switch
Used to start the engine. Remove the ignition key
when the is not in use.
J. Reel / 3WD Switch
Used to engage mowers and also select two wheel
drive or three wheel drive (2WD or 3WD).
a. Pull the lever upward and forward to engage
clutch and engage 3WD mode.
b. Push switch lever down to disengage clutch and
engage 2WD mode.
K. Backlap Switch
Used for maintenance only to hone the reels and
bedknife.
Note: The switch must be in Forward Rotation for
normal operation. Always remove and store the key
after backlapping.
L. Parking Brake Light
Indicates that the parking brake is engaged. Parking
brake must be disengaged before depressing traction
pedal.
M. Lift/Lower Pedal
Used to lift or lower the implements. Depress top of
pedal (M
1
) to lower and engage reels. Hold pedal
down, until implements are fully lowered then release
the pedal.
Push rear of pedal (M
2
) pedal to raise and stop reels.
Hold pedal down until implements are fully raised,
then release pedal.
N. Traction Pedal
Used to control the direction and speed of the
machine.
Slowly depress the top of the traction pedal (N
1
) for
forward motion or rear pedal (N
2
) pedal for reverse.
The pedal will return to neutral when released.
Do not depress traction pedal in either direction with
parking brake light (K) on.
P. Parking Brake Lever
Push up and forward to engage brake. Pull back and
down to disengage brake.
P. Hood Latch
Used to keep hoods closed.
Q. Left Side Hood
Used to cover the engine and radiator area. See
Section 3.3 for opening instructions.
R. Right Side Hood
Used to cover the traction pump and hydraulic filter
area. See Section 3.3 for opening instructions.
S. Console Latches
Used to secure the console cover to the steering
tower.
T. Cooling Air Intake
Air is drawn through screen to provide cooling for the
engine. Keep the screen free from obstructions.
U. Engine Air Filter Intake
Engine intake air is drawn through screen. Keep the
area clean and the screen free from obstructions
V. Light Switch - (Optional Kit)
Used to turn the optional lights on and off.
W. Steering Console Cover
Used to cover the steering column, relays and fuses.
See Section 3.4 for removal instructions.
3 CONTROLS
8
3.3 OPENING THE HOOD ______________________________________________________
The “Right” and “Left”, “Front” and “Rear” of the
machine are referenced from the operator’s right and left
when seated in the ’s seat in the normal operating
position.
1. To Open the Hood, unhook latch (R) on right-front
foot rest, then lift entire left-side hood (S) upwards
to clear the steering console cover.
2. Stand in front of the machine and push the right end
of the hood (S) downwards as shown.
3. Pivot the hood to its full open position.
4. Lift hood (T) straight upwards and remove from the .
5. To Close the Hood, position hood (T) directly over
the hydro, push down and towards the radiator.
6. From the front of the machine, pivot hood (S)
upwards and to the left making sure the hood clears
the operator’s console then push downwards and
into the front retainer.
Figure 3A
3.4 STEERING CONSOLE COVER _______________________________________________
1. First open the front hood. See Section 3.3.
2. To remove the console cover, lift latch (U) on both
sides and pull outwards to disengage internal lock.
3. Lift the console cover (Y) straight up and off the .
Figure 3B
1
4
3
2
T
S
U
Y
SET-UP 4
9
4 SET-UP
4.1 GENERAL ________________________________________________________________
The set-up and testing of the unit should always be
performed by a trained technician, familiar with the
operation of this equipment.
Read each instruction completely and make sure you
understand it before proceeding with the assembly. Stay
alert for potential hazards and obey all safety
precautions.
The RIGHT and LEFT, FRONT and REAR of the
machine are referenced from the operator’s seat, facing
forward.
Accessories not included with this product must be
ordered separately. See instructions provided with
accessory for installation and parts.
4.2 INITIAL INSPECTION _______________________________________________________
1. Perform a visual inspection of the entire unit, look for
signs of wear, loose hardware, and components that
may have been damaged during transport.
2. Inspect paint and decals for damage or scratches.
Decals provide important operaing and safety
information. Replace all missing or hard to read
decals.
3. All fluids must be at the full level mark with engine
cold.
Check :
a. Radiator coolant level.
b. Engine oil level.
c. Hydraulic fluid level.
4. Make sure air filter connections are tight and cover
is securely in place.
5. Check tires for proper inflation. Tires have been over
inflated for transport. Correct tire pressure should be
set:
Front: 10 - 12 psi (69-83 kPa)
Rear: 8 - 10 psi (55 - 69 kPa)
6. Check belt tension
7. Visually check for fuel or oil leaks.
8. Inspect lube points on reels and for proper
lubrication.
4.3 WHEELS _________________________________________________________________
1. Remove dirt, grease and oil from wheel mounting
hardware. Do not lubricate threads.
2. Position wheel on hub and inspect to insure full
contact between the mounting surface of wheel and
hub.
3. Finger tighten all wheel mounting hardware then
torque to 65 - 85 ft. lb. (88 - 115 Nm). Check and
retorque daily until proper torque is maintained.
CAUTION
Do not attempt to drive the unless you are familiar
with this type of equipment and know how to operate
all controls correctly.
!
CAUTION
The initial inspection should be performed only when
the engine is off and all fluids are cold. Lower
implements to the ground, engage parking brake, stop
engine and remove ignition key.
!
WARNING
Engage parking brake before lifting to install wheels.
Make sure the work surface is solid and level. Never work
on a that is supported only by the jack. Always use jack
stands.
!
4 SET-UP
10
4.4 STEERING WHEEL ________________________________________________________
1. Remove steering wheel from its shipping position.
2. Assemble two 3/4” flat washers (A) and two 3/4”
wave washers (B) to the steering shaft.
3. Position the steering wheel (C) over the shaft.
Secure with lockwasher, and jam nut (D). Torque nut
to 30 - 40 ft. lb. (41 - 51 Nm).
4. Install steering wheel cap.
Figure 4A
4.5 ROPS ___________________________________________________________________
The ROPS base weldment (AH) and seatbelt have been
assembled to the mower at the factory.
1. Position the ROPS (AG) behind the mower with the
base plates forward and the decals on the left side.
2. Leave the top of the ROPS touching the ground,
raise the ends with the base plates until the first
hole aligns with the correct hole in the base
weldment (AH).
3. Install two 1/2-13 x 1-1/2” screws, lockwashers and
nuts (AJ) on each side of the weldment and hand
tighten.
4. Rotate the ROPS into place and install the
remaining six 1/2-13 x 1-1/2” screws, lockwashers
and nuts (AJ).
5. Adjust the ROPS as required so it is straight to the
base weldment and mower frame. It may be
necessary to loosen base weldment mounting
hardware and adjust base weldment so ROPS is
equally balanced left to right.
6. Torque ROPS and base weldment hardware to 57
ft.lbs. (77 Nm).
Figure 4B
A
B
C
D
NOTICE
When properly installed, the ROPS will lean
approximately 5° towards the rear of the mower.
AJ
AJ
AH
AG
base
plates
SET-UP 4
11
4.6 SEAT ____________________________________________________________________
1. To keep seat clean and prevent damage, do not
remove protective cover from seat during installation
and other set-up procedures.
2. Remove seat from shipping boards and discard
shipping hardware.
3. Assemble the seat to the seat mounting plate.
a. On the two front studs, use 5/16 flat washer, lock-
washers and 5/16-18 nuts.
b. On the two rear studs, assemble 1/2 in. (13 mm)
spacers (E) first, then the lockwashers and 5/16-
18 nuts.
c. Connect the seat wire harness to harness.
4. Apply lithium base grease to the seat runners then
check all seat adjustments to insure they function
properly.
Figure 4C
4.7 FRONT MOWER HOSE BRACKET ____________________________________________
1. Remove hardware (F) from the front lift arm cradle,
then remove hose bracket (G) with its hoses from the
shipping position.
2. Move hose bracket (G) into position as shown, align
the mounting holes then assemble hardware (F).
Figure 4D
E
4 SET-UP
12
4.8 FRONT MOWERS__________________________________________________________
1. Remove the left and right mower assemblies from the
shipping crates. Remove hardware (H) and pull lift
arm (J) from each cutting unit.
2. Assemble lift arms (J) to the
a. Remove nut and bolt (K) then remove pin (L).
b. Place lift arm (J) in cradle and slide pin (L)
through the cradle and lift arm. Secure pin with
hardware (K).
c. Assemble shackles (N) to the chains, then
assemble each chain to crank (M) and secure
with pins (P).
d. Assemble free end of chain to lift arm (J) and
secure with pins (P).
e. Repeat steps a-d for the other side.
DO NOT assemble Down Pressure Springs. They will
be installed in Section 4.12.
3. Assemble the front mowers to the lift arms with
hardware (H).
4. Remove the cover plate (S) from the drive end of
each mower. Retain hardware (U) and gasket (R).
Store cover plate (S) for future use.
5. Install motors on mowers with hardware (U) and
gasket (R). Nut (T) must be facing upwards as
shown.
Figure 4E
Figure 4F
Figure 4G
Figure 4H
H
J
J
K
K
L
M
N
P
J
R
S
T
U
SET-UP 4
13
4.9 CENTER (REAR) MOWER ___________________________________________________
1. Remove center mower from its shipping crate and
position behind the rear lift arm (Z). Slide the mower
onto the lift arm and secure with collar (V) and spring
clip pin (W)
2. Remove the cover plate (S) from the drive end of
center mower. Retain hardware (U) and gasket (R).
Store cover plate (S) for future use.
3. Install motor on cutting unit with hardware (U) and
gasket (R). Nut (T) must be facing upwards as
shown.
4. Secure hose bracket (X) to stud of center mower
with 3/8-16 hardware (Y).
Figure 4I
4.10 REEL ADJUSTMENTS ______________________________________________________
The reels have been backed away from the bedknife to
prevent damage during shipment. Each reel must be
adjusted before the unit is ready for delivery.
1. Install any special rollers or reel attachments follow-
ing the instructions provided with them.
2. Adjust the reel to bedknife. [Sections 5.13, 5.14]
3. Adjust the height of cut to customer specifications.
[Section 5.16, 5.18, 5.18]
4.11 BATTERY ________________________________________________________________
1. Before installing the battery, make absolutely certain
the ignition switch is OFF and the key’s have been
removed.
2. Place the battery on the mounting tray with the
terminals towards the rear of the machine.
3. Route the battery cables along the left side and
behind the battery.
4. Connect the RED (Positive) cable (AA) to the
positive (+) battery terminal first.
5. Connect the BLACK (Negative) cable (BB) to the
negative (-) battery terminal.
6. Do not over tighten terminal nuts.
7. Apply a light coat of silicone dielectric grease to
both terminals and cable ends to prevent corrosion.
8. Clamp the battery to battery tray using J-hooks
(CC), hold-downs (DD) and wing nuts (EE).
Figure 4J
T
Y
U
R
S
X
W
V
Z
CAUTION
Always use insulated tools, wear protective glasses or
goggles and protective clothing when working with
batteries. You must read and obey all battery
manufaturer’s instructions.
!
AA
BB
CC
DD
EE
4 SET-UP
14
4.12 DOWN PRESSURE SPRINGS ________________________________________________
1. Check the hydraulic oil level, and add fuel to the tank.
Bleed the fuel system if required.
2. Start the engine and fully raise the lift arms.
3. Stop the engine and lock the arms in transport
position.
a. Remove pin (A) and slide handle (B) from the top
slot (C) to the bottom slot (D).
b. Insert pin (A) to lock handle (B) in place.
Note: To prevent damage to the , the transport lock
must be disengaged before the cutting units can be
lowered.
4. Assemble plug (H) into each spring (J).
5. Assemble 3/8-16 x 1” bolt (E), lockwasher (F) and
plate (G) as shown.
6. Assemble 1/2-13 x 10” bolt (P), flat washer (Q) and
nut (R) as shown. Thread bolt (P) at least 1-1/2” into
plate (G).
7. Manually raise the front lift arms as far as possible
then tether the arms together.
8. For 26 in. cutting units, assemble shackles (K) to
each tab (M) and secure with clevis and cotter pin
(L). See Figure 4L
9. For 30 in. cutting units, assemble shackles (K) to
tabs (M) and brackets (N) as shown. Secure with
clevis and cotter pin (L). See Figure 4M
10. Connect springs (J) to shackles (K) then remove
tethers and transport lock.
11. Adjust down pressure. [Section 5.12]
Figure 4K
Figure 4L
Figure 4M
A
B
C
D
C
B
A
G
H
J
K
E
F
P
Q
R
M
L
L
26 Inch Reels
G
H
H
J
J
K
K
E
F
R
P
Q
M
N
N
L
L
30 Inch Reels
SET-UP 4
15
4.13 OPERATING CHECKS ______________________________________________________
After the initial inspection and set-up of reels and
accessories test the and implements for proper
operation.
1. Test the Interlock system. [Section 4.14]
2. Start the and check that switches, gauges, pedals
and controls operate as described. [Section 3.2]
3. Operate traction pedal and check that operates
smoothly in both directions. Check that stops when
traction pedal is released.
4. Check that the does not creep.
5. After operation, stop and inspect again for oil or
hydraulic leaks.
4.14 Operator Back-up System _________________________________________________________________
1. The operator back-up system prevents the engine
from starting unless the parking brake is engaged,
the traction pedal is in neutral, and the reel/3WD
switch is OFF. The system also stops the engine if
the operator leaves the seat with the reel/3WD switch
ON, traction pedal out of Neutral, or parking brake
Disengaged.
2. Perform each of the following tests to insure the
operator back-up system is functioning properly.
Stop the test and have the system inspected and
repaired if any of the tests fail as listed below:
Othe engine does not start in test 1;
Othe engine does start during tests 2,3 or 4;
Othe engine continues to run during tests 5 or 6.
3. Refer to the chart below for each test and follow the
check (
) marks across the chart. Shut engine off
between each test.
Test 1: Represents normal starting procedure. The
operator is seated, parking brake is engaged, the
operator’s feet are off the pedals, and the reel/3WD
switch is OFF. The engine should start.
Test 2: The engine must not start if the reel/3WD
switch is ON.
Test 3: The engine must not start if the parking brake
is DISENGAGED.
Test 4: The engine must not start if the traction pedal
is pressed.
Test 5: Start the engine in the normal manner then
turn reel/3WD switch ON and lift your weight off the
seat.
+
Test 6: Start the engine in the normal manner then
disengage parking brake and lift your weight off the
seat.
+
+
Lift your weight off seat. The engine will shut down.
WARNING
Never operate equipment with the Interlock System
disconnected or malfunctioning. Do not disconnect or
bypass any switch.
!
Operator’s Back-up System Check
Test Operator
Seated
Parking
Brake
Traction Pedal
in Neutral
Reel / 3WD
Switch
Engine
Starts
Yes No Engaged Disengaged Yes No On Off Yes No
1 
2 
3 
4 
5
+

+
6
+

+
5 ADJUSTMENTS
16
5 ADJUSTMENTS
5.1 GENERAL________________________________________________________________
1. Adjustments and maintenance should always be
performed by a qualified technician. If proper
adjustment cannot be made, contact an authorized
Jacobsen Dealer.
2. Replace, do not adjust, worn or damaged components.
3. Do not wear jewelry or loose fitting clothing when
making adjustments or repairs.
4. Do not change governor settings or overspeed the
engine.
5.2 FAN BELT________________________________________________________________
Inspect and adjust new belt after first ten hours of
operation. Adjust every 100 hours thereafter.
1. Adjust alternator pulley so belt (B) deflects 9/32 to
11/32 in. (7 to 9 mm) with a 22 lb. (10 kgf) push at
midspan between pulleys.
2. If tension is incorrect, loosen alternator mounting
bolts (A), and adjust alternator until proper belt
tension is achieved. Tighten hardware (A).
Figure 5A
5.3 PUMP DRIVE BELT ________________________________________________________
Adjust reel pump belt (C) to deflect 1/4 in. (6 mm) with a
force of 5-7 lb. (2-3 kgf) applied at midspan.
1. Loosen hardware (D and E).
2. Move pump/clutch assembly down to increase
tension on belt (C) then tighten hardware (D and E).
3. Torque hardware (D and E) to 27 - 33 ft-lb. (37-45
Nm).
Figure 5B
WARNING
To prevent injury, lower implements to the ground,
disengage all drives, engage parking brake, stop engine,
and remove key from ignition switch before making any
adjustments or performing maintenance.
Make sure the mower is parked on a solid and level
surface. Never work on a mower that is supported only
by the jack. Always use jack stands.
If only the front or rear of the mower is raised, place
chocks in front of and behind the wheels that are not
raised.
!
CAUTION
Be careful to prevent entrapment of the hands and
fingers between moving and fixed components of the
machine.
!
A
B
D
D
E
C
Diesel Engine Gasoline En
ADJUSTMENTS 5
17
5.4 NEUTRAL AND 3WD SWITCHES _____________________________________________
1. Check traction pedal adjustment.
2. Use a volt/ohm meter to determine when switch
opens or closes.
a. Adjust switch (G) so “finger” of actuating arm (F)
is centered over sensing portion of switch.
Switch contacts should be closed with traction
pedal in neutral and open with minimal pedal
travel in forward or reverse direction.
b. Adjust 3WD switch (H) so contacts are open with
traction pedal in neutral, and contacts close with
minimal pedal travel in forward direction.
Figure 5C
5.5 PARKING BRAKE SWITCHES________________________________________________
Loosen screws (K) and adjust both switches so contacts
just close as the brake lever is moved to the engaged
position then tighten screws.
Figure 5D
5.6 LIFT LIMIT SWITCH ________________________________________________________
The lift limit switch must be adjusted so the reels stop
turning before the cutting plane between the reel and
ground reach 15-3/4 in. (400 mm). To adjust, loosen
screw (L), and adjust arm (M).
Figure 5E
G
H
F
K
L
M
5 ADJUSTMENTS
18
5.7 TRACTION PEDAL NEUTRAL________________________________________________
1. If the mower “creeps” in either direction when the
engine is running, but the traction pedal is not
depressed, adjust spring tension so that the pedal
always returns to neutral when released.
Note: The mower may “creep” when the hydraulic oil
is cold. Operate the mower for 15 minutes before
determining if adjustment is required.
2. Use extreme caution when making this adjustment
as the wheels will be off the ground and the engine
will be running.
3. Engage parking brake, stop the engine, open hoods,
then lubricate all linkage pivot points.
4. Chock the rear wheel, and place the front of the
mower on jackstands.
5. Loosen all nuts (N) and adjust rear spring to
position traction arm in neutral.
a. Lock rear nuts and adjust front nuts (N) to
maintain 3/8 in. (9 mm) of extension in spring
(O).
b. Start the engine and check for “creep” then
repeat the process if necessary.
Figure 5F
5.8 TRACTION PEDAL FORWARD STOP__________________________________________
Loosen nuts (P) move the traction pedal to its maximum
forward position. Adjust screw (Q) until the head just
touches the traction pedal arm. Return traction pedal to
neutral and turn screw (Q) out one full turn. Tighten nuts
(P).
Important: Screw (Q) must stop traction pedal before the
internal stops in the hydrostatic transmission are
contacted.
Figure 5G
5.9 LIFT / LOWER PEDAL STOP_________________________________________________
Adjust bolts (R and S) to stop spool valve from hitting the
internal stops, while maintaining the full stroke of the
spool.
Figure 5H
O
N
N
Front
P
P
Q
S
R
ADJUSTMENTS 5
19
5.10 PARKING BRAKE__________________________________________________________
1. Check linkage cables and pivots to ensure they are
operating smoothly.
2. Park the mower on a 30% slope (16.7°) near the
bottom of the hill, with the front of the mower facing
downhill. Engage the parking brake and stop the
engine.
a. The mower should stay on the hill without
creeping.
b. If the brakes do not hold, start the engine,
disengage the brake, and drive to the bottom of
the hill.
3. With parking brake disengaged, turn adjusting knob
in a clockwise direction, applying and releasing
brake every quarter turn, until a definite “snap over
center” action is achieved.
4. Repeat the test on the hill if required.
Note: Over adjustment causes hard lever action, but
does not increase brake efficiency.
5.11 REAR LIFT ARM ___________________________________________________________
1. Rear lift arm position is properly adjusted when the
rear mower bumpers are putting slight pressure
against the underside of the foot rests.
2. Disconnect lift chain (T) from crank and adjust ball
joint (U) as required.
Figure 5I
5.12 DOWN PRESSURE_________________________________________________________
1. Place mowers in the Fixed Mode (Section 5.18) and
lower the mowers onto a scale, capable of weighing
250 lb. (113 kg). The rear roller of the mower must
rest on the scale.
2. To adjust pressure on rear mower loosen nuts (V)
and adjust to obtain the desired pressure.
3. To adjust pressure on front mowers, loosen nut (W)
and adjust bolt (X). Minimum thread engagement
should be 1/2 in. (13 mm).
4. To maintain a consistent height of cut, the down
pressure should be adjusted evenly on all three
mowers.
5. Jacobsen, recommends the mower weight for
Floating Mode at 60 lb. (27 kg), and for Fixed Mode
at 90 lb. (41 kg).
Figure 5J
Figure 5K
CAUTION
DO NOT disengage the brakes with the engine off.
!
T
U
V
X
W
5 ADJUSTMENTS
20
5.13 REEL TO BEDKNIFE _______________________________________________________
(Pre-adjustment Check)
1. Check the reel bearings for end play or radial play. If
there is any abnormal movement of the reel, up and
down or side to side, adjust or replace components as
needed.
2. Inspect the reel blades and bedknife to insure good
sharp edges without bends or nicks.
a. The cutting edges of the reel blades and bedknife
must be sharp, free of burrs, and show no signs of
rounding off.
b. The bedknife and bedknife backing must be
securely tightened. The bedknife must be straight
and sharp.
c. A flat surface of 5/32 in. (4 mm) minimum must be
maintained on the front face of the bedknife. Use a
standard flat file to dress the bedknife.
3. If wear or damage is beyond the point where the reel
or bedknife can be corrected by the lapping process,
they must be reground.
4. Proper reel-to-bedknife adjustment is critical. A gap of
0.001 to 0.003” (0.025 to 0.076 mm) must be
maintained across the entire length of the reel and
bedknife.
5. The reel must be parallel to the bedknife. An
improperly adjusted reel will lose its sharp edges
prematurely and may result in serious damage to the
reel and bedknife.
6. Grass conditions will also affect the adjustment.
a. Dry, sparse conditions will require a wider gap to
prevent heat buildup and damage to the reel and
bedknife.
b. High quality grass with a good moisture content
requires a closer gap (near zero).
Figure 5L
5.14 REEL TO BEDKNIFE ADJUSTMENT __________________________________________
1. Read Section 5.13 before making the adjustment.
2. Start adjustment at the leading edge of the reel,
followed by the trailing end. The leading end of the
blade is the end that passes over the bedknife first
during normal rotation.
3. Loosen nut (C) 1/4 turn on both ends of the cutting
unit.
a. Turn adjuster (A) in 1/16 to 1/8 turn increments.
b. Slide a feeler gauge or shim stock.001 in. (.025
mm) between the reel blade and the bedknife.
Do not turn reel.
c. Adjust the trailing end of the reel in the same
manner then recheck the adjustment at the
leading end.
d. Tighten all hardware and recheck the
adjustment.
e. When properly adjusted, the reel will spin freely,
and you should be able to cut a piece of
newspaper along the full length of the reel, when
the paper is held at 90°.
Figure 5N
CAUTION
To prevent personal injury and damage to the cutting
edges, handle the reel with extreme care.
!
5 -6
93
5/32 in.
°
°
Leading
Edge of Reel
Normal
Rotation
A
B
C
E
D
F
G
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Ransomes Tri King 1800 Series Installation guide

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