Ransomes Tri King 1900 Series Installation guide

Brand: Ransomes

Model: Tri King 1900 Series

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

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

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

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

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

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

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

2811597

3003350

° C

170

200

° F

10 16

12 14

VOLTS

SOLID STATE

HOURS

00000

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

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

) to lower and engage reels. Hold pedal

down, until implements are fully lowered then release

the pedal.

Push rear of pedal (M

) 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

) for

forward motion or rear pedal (N

) 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

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

SET-UP 4

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

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

NOTICE

When properly installed, the ROPS will lean

approximately 5° towards the rear of the mower.

base

plates

SET-UP 4

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

4 SET-UP

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

SET-UP 4

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

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.

4 SET-UP

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

26 Inch Reels

30 Inch Reels

SET-UP 4

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

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.

Diesel Engine Gasoline En

ADJUSTMENTS 5

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

5 ADJUSTMENTS

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

Front

ADJUSTMENTS 5

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.

5 ADJUSTMENTS

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

5/32 in.

Leading

Edge of Reel

Normal

Rotation

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Ransomes Tri King 1900 Series Installation guide

Brand: Ransomes

Model: Tri King 1900 Series

Type: Installation guide

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