Gravely Pro-Master 252 User Manual

GB - 31
Eliminating Excessive
Creeping of the Unit (Figure 26)
1. If hydraulic system is cold, run unit for a
minimum of five minutes, then shut off
engine.
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 unit in the 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. Start engine.
9. Move steering levers from Forward to
Reverse several times. Then return
steering levers to neutral position.
10. Shut off engine.
11. If wheel is not moving, tighten jam nuts
on tie-rod. The adjustment is complete.
12. If wheel is still moving, repeat steps 7
through 12.
ADJUSTING UNIT TO TRACK
STRAIGHT
(Figure 27)
Check and adjust tire pressure. Increase
pressure on side unit tracks to. DO NOT
exceed maximum recommended tire
pressure. See Specifications on page 39 for
correct tire pressure.
If tire pressure adjustment does not solve
tracking problem, adjust the limiter bolts on
the stop bracket (Figure 27). Front bolts
adjust forward and rear bolts adjust reverse.
Lengthen the limiter bolt (move closer to
lever) on side which is too fast.
WARNING: This adjustment
requires operating the engine and
opening the hood. Use extreme
care to avoid contact with moving
parts and hot surfaces. Be sure
rear of unit is well supported and
secure before starting engine.
WARNING: Prior to adjusting the
tracking of the unit, shut off
engine, engage parking brake,
and remove the ignition key.
Figure 27
3
1
4
1. Limiter Bolt
2. Jam Nut
3. Steering Lever
4. Stop Bracket
2
1
2

Gravely Pro-Master 252 Specifications

General

Brand	Gravely
Model	Pro-Master 252
Category	Lawn Mower
Language	English