Jacobsen 62304 Guide d'installation

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
FR
France
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 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
© 2009, Jacobsen, A Textron Company/Textron Innovations 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.
Litho In U.S.A. 9-2014
SAFETY 1
3
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
4
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
5
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
6
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
7
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
2
1
N
R
Fuel
!
2 CONTROLS
8
2
1
N
R
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
40
Gas Units
Diesel Units
10 12 14 16
10 12 14 16
N
N
O
P
Q
R
S
T
U
V
W
AB
DE
F
GL
M
YX
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
9
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
10
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
11
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
G
F
E
B
C
H
J
K
L
M
3 SET-UP
12
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
R
S
Y
AA
AA
X
W
T
U
UV
V
AB
AB
SET-UP 3
13
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]
BA
BB
BB
BB
BB
BC
BD
BF
BE
BE
BE
BE BG
Z
A
C
3 SET-UP
14
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
15
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)
B
4 ADJUSTMENTS
16
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.
!
A
B
J
H
E
I
FG
ADJUSTMENTS 4
17
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
AA
AA
1-27/32 in.
(46 mm)
7/16 to 9/16 in.
(11.1 to 14.2 mm) V
W
U
GKV-8
GKV-9
Stop Bracket X
Y
O
C
GKV 2
4 ADJUSTMENTS
18
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
E
DGKV-3
3-5/16 in.
(84 mm)
F
GKV-4
31/32 in.
(24 mm)
ADJUSTMENTS 4
19
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
AB
(5 mm)
CAUTION
Never operate equipment with damaged switches.
Replace faulty switches immediately.
!
A
B
C
D
Reel Switch
Backlap Switch
4 ADJUSTMENTS
20
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
AE
AC AD
AC
GKV-15
1/32 to 1/16 in.
(0.8 to 1.6 mm)
AH
AF
AG
AJ
AK
1/2 to 5/8 in.
(13-16 mm)
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Jacobsen 62304 Guide d'installation

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