Gravely Promaster 252Z Owner's And Operator's Manual page 21

2. With the unit up to and facing a wall, jack the unit up
so that both drive wheels are off the ground.
3. Start the engine and release the parking brake.
4. Move the steering levers from Forward to Reverse
several times to make sure controls are free. Then
return steering levers to neutral position.
5. Check wheel(s) for movement.
6. Shut OFF engine.
NOTE: The right and left steering levers are adjusted the
same way. To access the tie-rod, place seat in service
position.
7. Adjust tie-rod(s):
If the wheel is moving in a forward direction:
a. Loosen the jam nut on each end of the tie-rod.
b. Turn tie-rod counterclockwise (lengthening the
distance between the steering lever and
hydrostatic transmission) several times.
If the wheel is moving in a reverse direction:
a. Loosen the jam nut on each end of the tie-rod.
b. Turn tie-rod clockwise (decreasing the distance
between the steering lever and hydrostatic
transmission) several times.
8. Return seat to operating position.
9. Start engine.
10. Move steering levers from Forward to Reverse
several times. Then return steering levers to neutral
position.
11. Shut OFF engine.
12. If wheel is not moving, tighten jam nuts on tie-rod.
The adjustment is complete.
13. If wheel is still moving, repeat steps 7 through 12.
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 26 for correct tire pressure.
If tire pressure adjustment does not solve tracking
problem, adjust the limiter bolts on the stop bracket
(Figure 12). Front bolts adjust forward and rear bolts
adjust reverse. Lengthen the limiter bolt (move closer to
lever) on side which is too fast.
2
1
2
1. Limiter Bolt
2. Jam Nut
ADJUSTING THE HEIGHT OF THE
STEERING LEVER HANDLES
The handles have three height positions (Figure 13).
1. Eccentric
Spacer
2. Handle
3. Steering Lever
1. Shut OFF engine. Engage parking brake. Remove
the ignition key.
2. Remove the spacer, handle, and eccentric spacers
from the steering lever.
NOTE: Position the right and left handles at the same
height position.
3. Install the eccentric spacers, spacers and handle in
the appropriate height position. Do not tighten the
nuts holding the eccentric spacers.
4. Turn the eccentric spacer until the right and left
handles are the same height. Tighten nut.
GB - 21
3
1
4
3. Steering Lever
4. Stop Bracket
Figure 12
1
2
Position # 1
Position # 2
Position # 3
3
Figure 13
OF3577
OF3570