Gravely 992261 Owner's/Operator's Manual page 33

1. Eccentric Spacer
Figure 21
ADJUSTING THE UNIT TO TRACK
STRAIGHT
WARNING: Prior to adjusting the
tracking of the unit, shut OFF
engine, engage parking brake,
and remove the ignition key.
Check and adjust tire pressure. Increase
pressure on side unit tracks to. DO NOT
exceed maximum recommended tire
pressure (see Specifications on page 43).
If tire pressure adjustment does not solve
tracking problem, adjust the limiter bolts on
the stop bracket (Figure 22). Front bolts
adjust forward and rear bolts adjust reverse.
Lengthen the limiter bolt (move closer to
lever) on side which is too fast.
3
2
1
1. Limiter Bolt
2. Jam Nut
3. Steering Lever
4. Stop Bracket
Figure 22
ADJUSTING THE PARKING
1
BRAKE
The parking brake should not need
adjustment, however if the parking brake
does not hold the unit properly, the brake may
need adjustment.
Check Adjustment
NOTICE: Be sure to check the parking brake
on both sides of the unit (Figure 23).
1. Engage parking brake and set both
transmission bypass valves to the
neutral position. See To Push The Unit
on page 22.
2. Push the unit forward.
If the unit easily rolls forward the
transmission brakes are not fully
engaging. Adjust the brake actuator
travel to set the brake.
Adjust the Parking Brake
1. Engage the parking brake.
2. Loosen the jam nuts on the rear of the
compression spring until there is no
tension on the spring. Then tighten the
nuts until the spring measures 1-1/2"
(3.8 cm).
3. Loosen the nuts on the front side of the
trunnion until there is a 1/8 – 1/4" (3.2 –
6.4 mm) gap between the nut and
trunnion.
4. Tighten the jam nut against the stop nut.
5. Test brake function.
NOTICE: Set both bypass valves to the drive
position when finished adjusting the brake.
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