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ADJUSTMENTS
3
ADJUSTMENTS
3.1
GENERAL________________________________________________________________
!
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 tractor is parked on a solid and level
surface. Never work on a tractor that is supported
only by the jack. Always use jack stands.
If only the front or rear of the tractor is raised, place
chocks in front of and behind the wheels that are not
raised.
1. Adjustments and maintenance should always be
performed by a qualified technician. If proper
3.2
FAN BELT (DIESEL ENGINES) _______________________________________________
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).
3.3
NEUTRAL SWITCH ________________________________________________________
1. Place traction pedal in neutral position, engage
parking brake.
2. Adjust switch (C) as required until sensing portion
of switch is centered under finger of pump lever (D)
and has an air gap of 1/16 to 1/8 inch (1.6 to 3 mm).
GB-8
adjustment cannot be made, contact an authorized
Jacobsen Dealer.
2. Replace,
do
not
components.
3. Long hair, jewelry or loose fitting clothing may get
tangled in moving parts.
!
CAUTION
Be careful to prevent entrapment of the hands and
fingers between moving and fixed components of the
4. Do not change governor settings or overspeed the
engine.
D
adjust,
worn
or
damaged
machine.
A
B
Figure 3A
C
Figure 3B
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