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• Tighten the adjusting bolt as necessary to
remove the play from the front axle, then
retighten the jam nut.
• Lower the front of the tractor to the ground.
ADJUSTING THE FAN BELT TENSION
If the fan belt becomes loose, the engine may
overheat and/or the battery may not charge. Check
the belt tension and, if necessary, adjust as follows:
• With approximately 22 lbs. of pressure, depress
the backside of the belt at its center point
between the alternator and lower engine pulley.
The deflection of the belt should be
approximately 0.3 inches. See Figure 41.
Figure 41
• If adjustment is needed, loosen the nut on the
alternator mounting bolt and loosen the adjusting
bolt. See Figure 41.
• Pivot the alternator to acquire the correct belt
tension and re-tighten the adjusting screw and
mounting fasteners.
BRAKE ADJUSTMENT
Moderate brake pedal play, as measured at the end
of the pedals, ranges from 0.98 to 1.57 inches (25 to
40 mm). If the brake pedals need adjustment,
proceed as follows:
• Loosen the jam nuts from the turnbuckle on both
the left and right brake adjustment rods. See
Figure 42.
• Turn the turnbuckle on each rod until both the
right and left brake pedals are within the
acceptable range of play. See Figure 42.
• Tighten the jam nuts after adjusting the
turnbuckles.
• Interlock and depress both brake pedals and
check that the parking brake engages properly.
Figure 42
IMPORTANT: The brake pedals should be adjusted
in such a manner that the levels of the right-hand and
left-hand brake pedals are uniform. If they are not
uniform, the brakes may work excessively to one side
when the are depressed simultaneously.
CLUTCH ADJUSTMENT
Moderate clutch pedal play ranges from 1.57 to 1.96
inches (40 to 50 mm) as measured at the end of the
pedal. If it becomes difficult to disengage the clutch or
pedal play decreases, adjust the length of the clutch
rod. From inside the left side panel, remove the
internal cotter pin and clevis pin to disconnect the
clutch rod. If the clutch is difficult to disengage,
shorten the rod. If there is too little play in the clutch
pedal, lengthen the rod. See Figure 43.
Figure 43
IMPORTANT: Free travel of the clutch pedal is
governed by the clearance between the clutch’s
release thrust bearing and the release levers. This
clearance is set from 0.098 to 0.12 inches (2.5 to 3
mm) when the tractor is built, but this changes as the
tractor is used. If the pedal is used with no clearance,
it will result in the seizure of the release bearing or
wear of the facing. Therefore, be sure to check and
adjust at the intervals called for in the maintenance
schedule.
Loosen
Adjusting
Bolt
Loosen Mtg.
Bolt Nut
Depress
V-Belt
0.3 in.
Deflection
0.98-1.57 in.
Free Play
Loosen
Jam Nuts
Adjusting
Turnbuckle
Brake Pedal
1.57 -1.96 in.
Free Play
Clutch Rod
Clevis Pin
Turn Clevis
to Adjust