Jacobsen 62304 Guide d'installation

Marque: Jacobsen

Modèle: 62304

Catégorie: Tondeuses à gazon

Taper: Guide d'installation

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WARNING

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.

AVERTISSEMENT

AVERTISSEMENT : Risque de blessures graves en cas

d’utilisation incorrecte de la machine. Les opérateurs et le

personnel d’entretien doivent être formés et conscients des

dangers encourus. Ils doivent lire avec attention le manuel

avant d’essayer de monter, d’utiliser, de régler ou d’entretenir

la machine.

4190462-FR-Rev (

Dealer Manual

Manuel du revendeur

France

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 attached to the frame near the battery.

Jacobsen recommends you record these numbers below

for easy reference.

CHARLOTTE, NC PRODUCT OF U.S.A.

A Textron Company

FOREWORD

SAFETY

1.1 Operating Safety . . . . . . . . . . . . . . . . . . . . . .3

1.2 Important Safety Notes. . . . . . . . . . . . . . . . . 4

CONTROLS

2.1 Icons. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

2.2 Control Descriptions. . . . . . . . . . . . . . . . . . . 7

SET-UP

3.1 General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

3.2 Initial Inspection . . . . . . . . . . . . . . . . . . . . . . 8

3.3 Reel Motors . . . . . . . . . . . . . . . . . . . . . . . . . 8

3.4 Torsion Springs . . . . . . . . . . . . . . . . . . . . . . 9

3.5 Anti-Sway Springs . . . . . . . . . . . . . . . . . . . . 9

3.6 Grass Catchers . . . . . . . . . . . . . . . . . . . . . . 9

3.7 Steering Wheel. . . . . . . . . . . . . . . . . . . . . . 10

3.8 ROPS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

3.9 Fuel Hose Routing . . . . . . . . . . . . . . . . . . . 11

3.10 Seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3.11 Reel Adjustments. . . . . . . . . . . . . . . . . . . . 11

3.12 Operating Checks. . . . . . . . . . . . . . . . . . . . 12

3.13 Interlock System. . . . . . . . . . . . . . . . . . . . . 12

ADJUSTMENTS

4.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4.2 Bedknife-To-Reel . . . . . . . . . . . . . . . . . . . . 13

4.3 Bedknife Adjustment. . . . . . . . . . . . . . . . . . 14

4.4 Cutting Height . . . . . . . . . . . . . . . . . . . . . . . 14

4.5 Reel Bearing . . . . . . . . . . . . . . . . . . . . . . . . 15

4.6 Lift Cylinders . . . . . . . . . . . . . . . . . . . . . . . . 15

4.7 Antisway Spring . . . . . . . . . . . . . . . . . . . . . 15

4.8 Leveling Procedure. . . . . . . . . . . . . . . . . . . 16

4.9 Accelerator Pedal . . . . . . . . . . . . . . . . . . . . 16

4.10 Brake Pedal. . . . . . . . . . . . . . . . . . . . . . . . . 16

4.11 Parking Brake . . . . . . . . . . . . . . . . . . . . . . . 17

4.12 Interlock Switches. . . . . . . . . . . . . . . . . . . . 17

4.13 Reel Switches . . . . . . . . . . . . . . . . . . . . . . . 17

4.14 Traction Lever. . . . . . . . . . . . . . . . . . . . . . . 18

4.15 Reel Control . . . . . . . . . . . . . . . . . . . . . . . . 18

4.16 Steering Cable Adjustment . . . . . . . . . . . . . 18

4.17 Choke Control. . . . . . . . . . . . . . . . . . . . . . . 19

4.18 Specific Torque Requirements . . . . . . . . . . 19

4.19 Torque Specification . . . . . . . . . . . . . . . . . . 20

TROUBLESHOOTING

5.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

LUBRICATION CHART

6.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

6.2 Lubrication Chart. . . . . . . . . . . . . . . . . . . . . 22

NOTES

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.

Litho In U.S.A. 9-2014

SAFETY 1

1 SAFETY

1.1 HOW TO OPERATE SAFELY

SAFE OPERATION

a Read the Operator’s Manual and other training

material. If the operator or technician can not read

this manual, the owner is responsible to describe

this material to the operators and technicians.

Manuals in additional languages may be available

on the Jacobsen or RansomesJacobsen website.

a Read all of the instructions for this mower carefully.

Know the controls and the correct operation of the

equipment.

b Children or persons who do not understand these

instructions must not use the mower. The local

regulations can limit the age of the operator.

c Never use a mower near persons, including children

or animals.

d Remember that the operator or owner is responsible

for accidents or hazards that occur to other persons

or their property.

e Never carry passengers.

f Never allow persons to operate or service the

mower or its attachments without correct

instructions.

g Do not operate equipment while tired, sick or after

you use alcohol or drugs.

PREPARATION

a When you operate the mower, wear correct clothing,

slip resistant work shoes or boots, work gloves, hard

hat, safety glasses and hearing protection. Long

hair, loose clothing or jewelry can be caught in

moving parts.

b Do not operate the equipment with the Interlock

System disconnected or the system does not

operate correctly. Do not disconnect or prevent the

operation of any switch.

c Never operate equipment that is not in correct order

or without decals, guards, shields, deflectors or

other protective devices fastened.

d Inspect the mower before you operate the mower.

Check the tire pressure, engine oil level, the radiator

coolant level and the air cleaner indicator. Fuel is

flammable. Use caution when you add the fuel to

the mower.

e Operate the mower in daylight or in good artificial

light. Use caution when you operate the mower

during bad weather. Never operate the mower with

lightning in the area.

f Inspect the area to select the accessories and

attachments that are needed to correctly and safely

do the job. Only use parts, accessories and

attachments approved by Jacobsen.

g Be careful of holes in the terrain and other hazards

that are not visible.

h Inspect the area where the equipment is operated.

Remove all objects you can find before you operate.

Be careful of obstructions above the ground (low

tree limbs, electrical wires) and also underground

obstacles (sprinklers, pipes, tree roots). Enter a new

area carefully. Look for possible hazards.

i Inspect the cutting system before you start the

mower. Make sure the blades are free to rotate.

When you rotate one blade, other blades can rotate.

OPERATION

a Never operate the engine without enough ventilation

or in an enclosed area. The carbon monoxide in the

exhaust fumes can increase to dangerous levels.

b Never carry passengers. Keep other persons or

animals away from the mower.

c Disengage all drives and engage the parking brake

before you start the engine. Only start the engine

with the operator in the seat. Never start the engine

with persons near the mower.

d Keep your legs, arms and body inside the operator

compartment while the mower is in operation. Keep

your hands and feet away from the cutting units.

e Do not use on the slopes greater than the safe slope

limit for the equipment.

f To guard against over turning or loss of control:

WARNING

EQUIPMENT OPERATED INCORRECTLY OR WITHOUT TRAINING CAN BE DANGEROUS.

Know the location and correct operation of controls. Operators without experience must receive instruction from

another person that knows the correct operation of the equipment before you operate the mower.

Only use parts, accessories and attachments approved by Jacobsen.

1 SAFETY

– Operate the mower up and down on the face of

slopes (vertically), but not across the face

(horizontally).

– Do not start or stop suddenly on slopes.

– Decrease the speed when you operate on slopes

or when you must turn. Use caution when you

change direction. Turf condition can change the

mower stability.

– Use caution when you operate the mower near

drop-offs, ditches or embankments.

– Be careful of holes in the terrain and other hazards

that are not visible.

g When you drive in the reverse direction, look

behind you and down to make sure the path is

clear. Do not operate the cutting units when you

drive in the reverse direction.

h Use caution when you go near corners, trees or

other objects that can prevent a clear view.

i Equipment must meet the current regulations to be

driven on the public roads.

j Before you move across or operate on the paths or

roads, turn off the PTO switch, lift the mowers and

travel at decreased speed. Look for traffic.

k Stop the blades when the mower is on any surface

that is not grass.

l Do not release the cut grass in the direction of

persons or allow persons near the mower while in

operation.

m Do not operate the mower with damaged guards or

without safety devices in position.

n Do not change the engine governor setting or over-

speed the engine. Never change or tamper with

adjusters that are closed with a seal for the engine

speed control.

o Before you leave the operator compartment, for

any reason:

– Disengage all the drives and lower attachments to

the ground.

– Engage the parking brake.

– Stop the engine and remove the key.

p When you hit an object or mower starts to cause

the vibration that is not normal, inspect the mower

for damage and make repairs.

q Decrease the throttle setting before you stop the

engine.

r Do not use this equipment for uses that the mower

was not made for.

ROPS

a The ROPS is a safety device. Keep the ROPS in

the vertical and locked position. Always use the

seat belt when you operate the mower. Make sure

the seat belt can be released quickly in an

emergency.

b Only operate the mower with the ROPS in the

folded position on flat and level surfaces when

necessary. Do not operate the mower with the

ROPS in the folded position on slopes, near sharp

edges or near water. There is no roll over

protection with the ROPS in the folded position.

c Check for clearance before you drive below

objects. Do not contact tree branches, electrical

wires or other objects with the ROPS.

d Do not use the seat belt with the ROPS in the

folded position.

e Inspect the ROPS for damage. Keep the ROPS

hardware fastened.

f Do not weld, drill, change or bend the ROPS.

Replace a damaged ROPS. Do not try to correct a

damaged ROPS.

g Do not remove the ROPS from the mower.

h Jacobsen must approve any changes to the

ROPS.

SAFE HANDLING OF FUELS

a The fuel and the fuel vapors are flammable. Use

caution when you add the fuel to the mower. The

fuel vapors can cause an explosion.

b Never use the containers that are not approved to

keep or transfer fuel.

c Never keep the mower or fuel containers near an

open flame or any device that can cause the

ignition of fuel or fuel vapors.

d Never fill the fuel containers inside a vehicle or on

a truck or trailer with a plastic liner. Always put the

fuel container on the ground away from your

vehicle before you fill the container.

e Refuel the mower before you start the engine.

When the engine is in operation or while the engine

is hot, never remove the fuel cap or add fuel to the

mower.

f Refuel outdoors only and do not smoke when you

add fuel. Extinguish all types of ignition.

SAFETY 1

g The fuel nozzle must touch the rim of the fuel tank

when you add fuel to the mower. Do not use a

device to lock the fuel nozzle in the open position.

h Do not over fill the fuel tank. Leave at least 1 inch

(25 mm) below the filler neck.

i Always tighten the fuel tank cap and container cap

after you add fuel.

j If the fuel spills on your clothing, change your

clothing immediately.

MAINTENANCE AND STORAGE

a Before you clean, adjust or repair this equipment,

push PTO switch to the OFF position, lower the

cutting unit to the ground, engage the parking

brake, stop the engine and remove the key.

b Make sure the mower is parked on a solid and level

surface.

c Never work on a mower that is lifted only by the

jack. Always use the jack stands.

d Never allow persons to service the mower or its

attachments without correct instructions.

e When the mower is parked, put into storage or left

without an operator, lower the cutting device unless

a positive mechanical lock is used.

f When you put the mower on a trailer or put the

mower in storage, close the fuel valve. Do not keep

fuel near flames or drain the fuel inside a building.

g Disconnect the battery before you service the

mower. Always disconnect the negative battery

cable before the positive battery cable. Always

connect the positive battery cable before the

negative battery cable.

h Charge the battery in an area with good airflow.

The battery can release hydrogen gas that is

explosive. To prevent an explosion, keep any

device that can cause sparks or flames away from

the battery.

i Disconnect the battery charger from the power

supply before you connect or disconnect the

battery charger to the battery. Wear protective

clothing and use insulated tools when you service

the battery.

j Be careful and wear gloves when you check or

service the cutting unit blades. Replace any

damaged blades, do not try to correct a damaged

blade.

k Keep your hands and feet away from parts that

move. Do not adjust the mower with the engine in

operation, unless the adjustment needs the engine

in operation.

l Carefully release the pressure from components

with stored energy.

m To prevent injury from the hot, high pressure oil,

never use your hands to check for oil leaks. Use

the paper or cardboard to find leaks.

n The hydraulic fluid pressure can have enough

force to enter your skin. If hydraulic fluid has

entered your skin, a doctor must remove the

hydraulic fluid surgically within a few hours or

gangrene can occur.

o When you service the hydraulic system, make sure

the hydraulic fittings, tubes and hoses are

tightened to the correct torque. Make sure the

hydraulic system is in good condition before you

start the engine.

p Keep the mower and the engine clean.

q Allow the engine to become cool before storage

and always remove the ignition key.

r Keep all nuts, bolts and screws tight to make sure

the equipment is in safe condition.

s Replace worn or damaged parts for safety.

Replace damaged or worn decals. Only use parts,

accessories and attachments approved by

Jacobsen.

t To decrease the fire hazard, remove materials that

burn from the engine, muffler, battery tray and fuel

tank area.

u Disconnect the battery and controller connectors

before you weld on this mower.

WHEN YOU PUT THE MOWER ON A

TRAILER

a Be careful when you load or unload the mower on

a trailer. Trailer must be wider than the mower and

can carry the weight of the mower.

b Use a full-width ramp to load or unload the mower

on a trailer.

c Use straps, chains, cables or ropes to fasten the

mower to the trailer. Both front and rear straps

must be sent down and toward sides of trailer.

d Make sure that all latches are correctly fastened.

1 SAFETY

1.2 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.

WARNING

The Interlock System on this mower prevents the mower from starting unless

the parking brake is engaged, reel levers are off, and traction lever is in

Neutral. The system will stop the engine if the operator leaves the seat

without engaging the parking brake, setting the reel levers to off, and placing

traction lever in Neutral.

NEVER operate mower unless the Interlock System is working.

WARNING

1. Before leaving the operator’s position for any reason:

a. Return traction lever 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.

CONTROLS 2

2 CONTROLS

2.1 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.

Read Manual

Off Run Start

Engine

Fast Slow

Engine Throttle

Forward Reverse

Reel Rotation Fuse

Choke

Headlight

Engaged Disengaged

Parking Brake

Service Foot Brake

Hour Meter

Traction Lever

Transport

Mow

Neutral

Reverse

Fuel

2 CONTROLS

1. Read operators manual. Do not allow untrained operators to

use this machine.

2. Keep all shields in place and hardware securely tightened.

3. Before you clean, adjust or repair this equipment,

disengage all drives, engage parking brake and stop engine.

4. Keep hands, feet and clothing away from moving parts.

5. Never carry passengers.

6. Keep bystanders away

!WARNING

Never mow in transport.

If lever is in transport

mode, forward motion wi

suddenly increase when

are raised or sut off

Do not use this machine o

slopes greater than 12.5

!WARNIN

Reels turn when reel levers are in backlap position. Read operator’s manual before backlapping.

!WARNING

3-5

Gas Units

Diesel Units

10 12 14 16

AReel Control Levers

BParking Brake Lever

CTraction Lever

DVolt Meter

EIgnition Switch

FMechanics (Backlap) Switch

GLight Switch (Optional)

HFuse, Lights (Optional)

JFuse, Charging Circuit

KFuse, Interlock System

LParking Brake Light

MEngine Oil Pressure Light

NThrottle

PChoke

RAccelerator Pedal

SBrake Pedal

TMow/Lift Pedal

UHour Meter

VSeat Control Lever

WHydraulic Cap/Dipstick

XFuel Cap

CONTROLS 2

2.2 CONTROL DESCRIPTIONS __________________________________________________

A. Reel Control Levers - Used to operate the cutting

units. Push lever(s) forward for forward rotation. Pull

lever(s) back for Reverse rotation. All three levers

must be in OFF position to start engine.

B. Parking Brake Lever - Pull lever back to engage

and push lever forward to disengage parking brake.

Always disengage parking brake slowly. Parking

brake must be engaged to start engine.

C. Traction Lever - Four Positions: Transport (2), Mow

(1), Neutral (N) and Reverse (R). Traction lever

must be in Neutral position to start engine.

D. Volt Meter - Used to monitor battery condition.

During normal operation, volt meter needle should

never be in the red area.

E. Ignition Switch - Used to start the engine. To

prevent unauthorized operation, remove the ignition

key when mower is not in use.

F. Mechanic’s (Backlap) Switch - Used to switch the

mower to backlap mode to hone or sharpen the

reel.

G. Light Switch (Optional) - Used to control operation

of optional light kit.

H. Fuse, Lights - 20 Amp fuse, protecting light circuit.

J. Fuse, Charging Circuit - 20 Amp fuse, protecting

charging circuit.

K. Fuse, Interlock System - 6 Amp fuse, protecting

Interlock System.

L. Parking Brake Light - Light is always on when

parking brake is engaged. Do not move traction

lever out of Neutral, or press accelerator pedal

when light is on.

M. Engine Oil Pressure Light - Indicator will light if

engine oil pressure drops below a safe level. Stop

engine immediately, determine the cause, and

correct problem before restarting engine.

N. Throttle - Regulates Engine Speed. Push Lever

forward to increase or pull lever back to decrease

engine speed.

P. Choke - Pull the choke control knob upwards to

close the choke plate when starting a cold engine. A

warm engine may not require “Choking” to start.

R. Accelerator Pedal - Used to control speed of the

mower. Do not depress pedal if parking brake light

(L) is on.

Remove foot from pedal, the accelerator pedal will

return to neutral, and the machine will stop. The self

braking action is in forward direction only.

S. Brake Pedal - Used to stop mower when traveling

in Reverse. Remove foot from accelerator and

depress brake pedal.

T. Mow/Lift Pedal - Used to lift or lower the cutting

units. Depress and hold front of pedal to lower

cutting units, or depress and hold rear of pedal to

raise cutting units.

U. Hour Meter - Used to time maintenance intervals or

mowing operations. The meter operates only when

ignition key is in RUN position.

V. Seat Control Lever - Used to adjust position of

seat. Pull lever forward and adjust seat to

comfortable position, then release lever.

W. Hydraulic Cap/Dipstick - Used to check level of

hydraulic fluid in tank. Level should always be at

Full mark on dipstick.

X. Fuel Cap - Remove cap to add fuel, or check fuel

level in tank. Always replace cap tightly.

WARNING

Reels will rotate in the raised position with reel control

lever(s) set for reverse rotation. Keep hands and feet

away from the reels to prevent serious injury.

DANGER

Reels will turn with mechanics key in backlap position

without an operator on the seat. Keep hands and feet

away from the reels to prevent serious injury.

NOTICE

When operating the mow/lift pedal, keep the pedal

depressed until the cutting units have been fully

lowered or raised, then release the pedal.

3 SET-UP

3.1 GENERAL________________________________________________________________

The set-up and initial testing of the unit should always be

performed by a trained technician, familiar with the

operation of the 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, LEFT, FRONT and REAR of the machine are

references 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.

3.2 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 safety and operating

information. Replace all missing or hard to read

decals.

3. All fluids must be at the full level mark with engine

cold.

Check:

a. Engine oil level

b. 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 to 10 psi.

6. Check for fuel or oil leaks.

7. Check lube points on reels and tractor for proper

lubrication.

3.3 REEL MOTORS ___________________________________________________________

1. Remove hardware from each of the mounting studs

on the housing and remove cover plate (Not shown).

2. Move cutting unit to corresponding location and

assemble motor to housing with hardware removed

in Step 1. Gasket (A) must be between motor and

housing.

Figure 3A

CAUTION

Do not attempt to drive this tractor unless you are

familiar with this type of equipment and know how to

operate all controls correctly.

CAUTION

The daily inspection should be performed only when

the engine is off and all fluids are cold. Lower mowers

to the ground, engage the parking brake, stop engine,

and remove ignition key.

SET-UP 3

3.4 TORSION SPRINGS ________________________________________________________

1. Slide one clamp (F) over each lift arm and secure

with 5/16-18 x 1-1/4” carriage bolt and 5/16-18

locknut (G and E). Do not tighten.

2. Slide the right (J) and left (H) torsion spring over

their respective lift arms. Insert end of springs

between clamp ends.

3. Slide swivel housing (B) onto the lift arm and secure

housing with pin (C). Hook ends of torsion spring

over pin (C).

Figure 3B

3.5 ANTI-SWAY SPRINGS ______________________________________________________

1. Assemble one 1/2-13 hex jam nut (L) onto rod (M)

then secure the rod to the bottom rear of frame with

1/2” lockwasher and 1/2-13 jam nut (K).

2. Assemble anti-sway spring to adjusting rod and then

the rear lift yoke.

3. Adjust anti-sway spring. [Section 4.7]

Figure 3C

3.6 GRASS CATCHERS ________________________________________________________

Install by hanging catcher hooks on mower lift yoke and

letting catcher hang by its own weight.

Adjust as described in sheet included with grass catcher.

Figure 3D

3 SET-UP

3.7 STEERING WHEEL ________________________________________________________

1. Remove hex jam nut (R) from steering column.

2. Position the steering wheel over the shaft then

reassemble the hex jam nut. Torque nut to 25-30 ft.

lb. (34-41Nm) and install the steering wheel cap (S).

Figure 3E

3.8 ROPS ___________________________________________________________________

The ROPS mounting bracket (Y) has been assembled to

the mower at the factory, but is shown unassembled for

clarity.

1. Fully lower mowers to the ground.

2. Remove hardware (T) from one side of the ROPS.

Separate the ROPS into left (W) and right (X)

halves.

3. Remove hardware (AB) securing rear lift cylinder to

lift arm.

NOTE: Leave ROPS hardware (T, U and V) loose until

ROPS is completely installed, then tighten hardware.

4. Slide the ROPS halves into the mounting bracket

(Y). Secure with 1/2-13 x 2-3/4” socket head

screws, high collar lockwashers (U), and spacers

(AA).

NOTE: Rear lift cylinder needs to be pivoted towards the

left side of the machine to insert the left side bolt.

5. Secure tube plates to bracket with 3/8-16 x 1”

screws and lockwashers (V).

6. Secure top portion of two halves of ROPS tubes

with hardware (T).

7. Torque hardware (U) to 75 ft. lb. (101.7 Nm).

Torque hardware (T and V) to 30 ft. lb. (40.7 Nm).

8. Assemble lift cylinder to lift arm with hardware (AB).

Torque hardware to 75 ft. lb. (101.7 Nm).

Figure 3F

SET-UP 3

3.9 FUEL HOSE ROUTING______________________________________________________

Gas Units Only

1. Remove temporary hose from fitting in top right

corner of tank to rollover valve.

2. Assemble goose neck tube (BA) to right side ROPS

tube using four clamps (BB) and #10-24 x 1/2”

thread cutting screws (BC).

NOTE: Adjust length of hoses as required to prevent

droops (hose too long) or kinks (hose too short).

3. Assemble 13 in. (330 mm) hose (BD) to fitting and

goose neck tube using two hose clamps (BE).

4. Assemble 5-1/2 in. (140 mm) hose (BF) to bottom

port of rollover valve (BG) and goose neck tube

(BA) using two clamps (BE).

Figure 3G

3.10 SEAT ____________________________________________________________________

1. The seat belt has been assembled to the seat at the

factory. To prevent interference with hand throttle

operation, the retractable half of seat belt (AC) must

be assembled to left side of seat as shown.

If retractable half of seat belt (AC) is on right side of

seat, remove both seat belt halves. Assemble

retractable half of seat belt to left side of seat, and

latching half of seat belt to right side of seat.

2. Assemble the seat to the mower using 5/16 flat

washers, lockwashers and nuts (Z). Connect seat

switch wire harness to mower harness.

Figure 3H

3.11 REEL ADJUSTMENTS ______________________________________________________

The bedknives have been backed off the reels 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

following instructions included with them.

2. Set bedknife to reel adjustment. [Section 4.2, 4.3]

3. Adjust cutting height to customer specifications.

[Section 4.4]

4. Level mowers. [Section 4.8]

BE BG

3 SET-UP

3.12 OPERATING CHECKS______________________________________________________

After the initial inspection and set-up of reels and

accessories, test the tractor and implements for proper

operation.

1. Test the Interlock System. [Section 3.13]

2. Start tractor and check that switches, gauges,

pedals and controls operate as described. [Section

2.2]

3. Operate traction pedal and check that tractor

operates smoothly in both directions. Check that

tractor stops when traction pedal is released.

4. Check that the tractor does not drift with engine

running and traction pedal in neutral.

5. After operation, stop tractor and inspect again for oil

or hydraulic leaks.

3.13 INTERLOCK SYSTEM ______________________________________________________

1. The Interlock system prevents the engine from

starting unless the parking brake is engaged, the

traction lever is in Neutral and the reel levers are off.

The system also stops the engine if the operator

leaves the seat with the reel levers on, traction lever

out of Neutral, or parking brake disengaged.

2. Perform each of the following tests to insure the

Interlock system is functioning properly. Stop the

test and have the system inspected and repaired if

any of the tests fail as listed below:

lthe engine does not start in test 1;

lthe engine does start during tests 2, 3 or 4;

lthe engine continues to run during tests 5 or 6.

3. Refer to the chart below for each test and follow the

check (4) 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

traction lever is in Neutral, and the reel levers are off.

The engine should start.

Test 2: The engine must not start if the reel lever is in

Forward or Reverse. Repeat test for each reel lever

and lever position.

Test 3: The engine must not start if the parking brake

is disengaged.

Test 4: The engine must not start if traction lever is

not in Neutral. Repeat test for each position of lever.

Test 5: Start the engine in the normal manner then

turn reel lever on and lift your weight off the seat.

Repeat test for each reel lever and lever position. H

Test 6: Start the engine in the normal manner then

disengage parking brake and lift your weight off the

seat. H

Test 7: Start the engine in the normal manner then

shift traction lever out of Neutral and lift your weight

off the seat. Repeat test for each lever position. H

H 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.

Test Operator

Seated Parking

Brake Traction Lever

in Neutral Reel

Levers Engine

Starts

Yes No Engaged Disengaged Yes No On Off Yes No

14 4 4 4 4

24 4 4 4 4

34 4 4 4 4

44 4 4 4 4

54H4 4 4 H

64H4 4 4 H

74H4 4 4 H

ADJUSTMENTS 4

4 ADJUSTMENTS

4.1 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. Long hair, jewelry, or loose fitting clothing may get

tangled in moving parts.

4. Do not change governor settings or overspeed the

engine.

4.2 BEDKNIFE-TO-REEL _______________________________________________________

(Pre-adjustment Check)

1. Check the reel bearings for end play or radial play.

There should be no end play or radial play. See

Section 4.5.

2. Inspect the reel blades and bedknife to insure good

sharp edges without bends or nicks.

a. The leading edge of the reel blades (B) 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 at least 1/16 in. (1.5 mm) minimum

must be maintained on the front face of the bed-

knife. 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 in. (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 4A

Figure 4B

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 a 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.

1/16 in.

(1.5 mm)

4 ADJUSTMENTS

4.3 BEDKNIFE ADJUSTMENT __________________________________________________

1. Read Section 4.2 before making the adjustment.

2. Start adjustment at the leading end of the reel,

followed by the trailing end. The leading end of the

reel blades is that end which passes over the

bedknife first during normal reel rotation.

3. Use adjusters (A and B), to adjust gap. Loosen

bottom adjuster (B) and turn top adjuster (A) down

(Clockwise) to close gap.

a. Slide a feeler gauge or shim stock 0.001 - 0.003

in. (0.025 - 0.076 mm) between the reel blade

and the bedknife. Do not turn the reel.

b. Adjust the trailing end of the reel to the same

gap in a similar manner then recheck the

adjustment at the leading end.

c. When the reel is properly adjusted to the

bedknife, 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° to the bedknife.

Figure 4C

Note: Avoid excessive tightening or serious damage may

result to bedknife and reel blades. Reels must turn freely.

4.4 CUTTING HEIGHT _________________________________________________________

Note: Always make the bedknife to reel adjustment

before adjusting height of cut. (See Sections 4.2 and

4.3).

1. Raise mowers to transport position then engage the

parking brake, stop engine, and remove key from

ignition switch.

2. Set desired cutting height on the gauge (I).

a. Measure distance (J) between the underside of

screw head and gauge block surface.

b. Adjust screw (F) to obtain desired height then

tighten the wing nut.

3. Loosen the locknuts on the front roller brackets (E)

just enough to allow the adjuster knob (H) to raise or

lower the front roller.

4. Place gauge (I) across bottom of front and rear

rollers near one end of roller.

5. Slide the head of gauge screw over the bedknife (G)

and adjust the knob (H) to close the gap between the

screw head and bedknife. Then tighten locknut (E).

6. Repeat Steps 4 and 5 on opposite end. Complete

adjustment to one end before adjusting opposite end.

7. Tighten locknuts (E) and recheck each end.

Figure 4D

CAUTION

To prevent personal injury and damage to the cutting

edges, handle the reel with extreme care.

ADJUSTMENTS 4

4.5 REEL BEARING ___________________________________________________________

Excessive end play or any radial play indicates bad

bearings, a weak tension spring, or a backed off nut.

1. Check bearing housing mounting hardware. Tighten

or replace components as required. Carefully clean

threads with degreaser.

2. Apply a medium strength grade of Loctite to nut

(AA), then thread nut onto the reel shaft until the nut

is 1-27/32 in. (46 mm) from the end of the reel

shaft.

3. Fill reel bearing housings with NLGI - Grade O

grease after adjusting spring.

Figure 4E

4.6 LIFT CYLINDERS __________________________________________________________

1. Fully extend the front cylinder, then check spacing

at the cam roller (U). The dimension should be 7/16

to 9/16 in. (11.1 to 14.2 mm).

2. Loosen nut (V) then grip the very end of the cylinder

rod, close to the adjusting nut (point W) and turn

until spacing is correct. Tighten nut (V).

3. Loosen nut (X) on the rear lift cylinder. Adjust the rod

end (Y) until the lift arm (O) just touches the stop

bracket when the cylinder is fully retracted. Figure 4F

Figure 4G

4.7 ANTISWAY SPRING________________________________________________________

1. The antisway spring (C) should be tight but not

under stress.

2. Loosen both nuts on the adjusting rod then adjust the

rear nut as necessary.

3. When properly adjusted, tighten nuts against

bracket.

Figure 4H

GKV-11

1-27/32 in.

(46 mm)

7/16 to 9/16 in.

(11.1 to 14.2 mm) V

GKV-8

GKV-9

Stop Bracket X

GKV 2

4 ADJUSTMENTS

4.8 LEVELING PROCEDURE ___________________________________________________

1. Lower the implements until they are about 1/4 in.

(6.35 mm) above the ground. If they are not level

with the ground, adjust torsion spring (Z).

2. Carefully loosen spring mounting clamp and slowly

turn clamp until implement is level. Tighten clamp

securely. Figure 4J

4.9 ACCELERATOR PEDAL ____________________________________________________

1. The top of the pedal should not be less than 2-3/4

in. (70 mm) from the floorboard when pedal is fully

depressed.

2. Loosen locknut (D) and adjust carriage bolt (E) to

obtain the correct distance between pedal and

floorboard.

Figure 4K

4.10 BRAKE PEDAL ___________________________________________________________

1. Drive straight forward with traction lever in MOW

position and throttle in SLOW position. Depress

Brake pedal. If the brake pedal comes too close to

the floorboard, check the amount of brake lining left.

a. Replace lining.

b. Adjust nut (F) to obtain a distance of 3-5/16 in.

(84 mm), between rod pivot points, (when brakes

are new), and to compress spring to 31/32 in. (24

mm).

2. If machine pulls right, turn adjusting nut (F) on left

side clockwise. If machine pulls left, turn adjusting

nut (F) on left side counterclockwise. Do not

compress either spring past 7/8 in. (22 mm).

Figure 4L

WARNING

The torsion spring is under extreme tension and will

tend to uncoil very rapidly if the clamp is loosened. To

prevent being cut by clamp or spring, unwind spring

by tapping on clamp while slowly loosening nut.

ZClamp

GKV-10

2-3/4 in. (70 mm)

Fully Depressed

DGKV-3

3-5/16 in.

(84 mm)

GKV-4

31/32 in.

(24 mm)

ADJUSTMENTS 4

4.11 PARKING BRAKE__________________________________________________________

Disengage brake lever and measure the distance

between nut (AB) and bottom of pivot. Adjust nut so the

distance is 3/16 in. (5 mm).

Figure 4M

4.12 INTERLOCK SWITCHES ____________________________________________________

1. Refer to the Interlock System check in your Safety &

Operation manual. If the system fails any test listed,

adjustment or replacement of the switches or levers

is required.

2. Remove the front cowling and check the control

linkages to be sure they are properly adjusted

(Sections 4.11, 4.14 and 4.15).

3. Check switches to make sure they are working

properly.

4.13 REEL SWITCHES __________________________________________________________

The reel lever linkage actuates two electrical switches

located under the levers. Check that both switches are

closed when all reel levers are in their Neutral position.

1. Check and make sure switches are wired correctly.

Refer to Figure 4N and labels attached to wires for

correct terminal placement.

2. When any of the reel levers are moved to the

forward position, Reel Switch (Wires A and B)

should open, and Backlap Switch (Wires C and D)

should remain closed.

3. When any of the reel levers are moved to the

reverse position, Backlap Switch (Wires C and D)

should open, and Reel Switch (Wires A and B)

should remain closed. Figure 4N

3/16 in.

GKV-13

(5 mm)

CAUTION

Never operate equipment with damaged switches.

Replace faulty switches immediately.

Reel Switch

Backlap Switch

4 ADJUSTMENTS

4.14 TRACTION LEVER_________________________________________________________

1. Remove front cowling and adjust lever to align with

the four positions on the instrument panel.

2. Adjust ball joints (AC) on rod (AD) and/or adjust

position and number of washers (AE) for proper

alignment. The lever must engage neutral start

switch in Neutral position only.

Figure 4P

4.15 REEL CONTROL __________________________________________________________

Adjust the reel control lever linkage so the reels

disengage when they reach the raised position.

1. Remove front cowling and raise mowers. Shift all

reel control levers to OFF and stop engine.

2. Adjust link (AF) so there is 1/32 to 1/16 in. (0.8 to

1.6 mm) clearance between the bottom of the

shoulder bolt (AG) and the bottom of the slot in link

(AF).

3. Remove all hardware holding link (AF) in place then

loosen nut (AH) and adjust the link.

4. Tighten nut (AH) against the link. Reassemble all

components and tighten hardware.

Figure 4R

4.16 STEERING CABLE ADJUSTMENT____________________________________________

1. Loosen cable mounting nut (AJ) or (AK) as neces-

sary and tighten opposite nut until steering wheel is

square with the frame and mower runs straight

ahead.

2. After steering wheel is adjusted, adjust both cable

mounting nuts until there is 1/2 to 5/8 in. (13 to 16

mm) deflection in center of cables with a 10 pound

(4.5 Kg) pull.

Figure 4S

AC AD

GKV-15

1/32 to 1/16 in.

(0.8 to 1.6 mm)

1/2 to 5/8 in.

(13-16 mm)

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Jacobsen 62304 Guide d'installation

Marque: Jacobsen

Modèle: 62304

Catégorie: Tondeuses à gazon

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