Gravely Promaster 252 Owner's And Operator's Manual page 23

2. Place a 1/2-inch ratchet driver into square hole in idler
pulley.
3
2
1
6
1. Square Hole
2. Idler Pulley
3. Crankshaft Pulley
4. Transmission Belt
3. While pulling idler pulley away from unit, remove
transmission belt from idler pulley.
4. Slowly release the tension on idler pulley until all the
tension is removed from spring.
5. Remove transmission belt from crankshaft pulley and
two hydrostatic pump pulleys.
Installation (Figure 23)
1. Install the new transmission belt on two hydrostatic
pump pulleys and crankshaft pulley.
2. Place 1/2-inch ratchet driver into square hole in idler
pulley.
3. While pulling idler pulley away from unit, install
transmission belt on idler pulley.
4. Slowly release the tension until idler pulley is firmly
against transmission belt.
STEERING CONTROL NEUTRAL
ADJUSTMENT
If the steering levers do not line up (match) or the unit has
excessive creeping when the steering levers are in neutral,
adjust as follows.
Adjusting the Steering Levers to Line Up (Match)
(Figure 24)
1. Shut off engine. Engage parking brake. Remove the
ignition key.
2. Place unit in the service position (see SERVICE
POSITION on page 20).
3. Loosen damper locknut on the same side as the
steering lever to be adjusted.
4. Loosen brake interlock on the same side as steering
lever to be adjusted.
5. Loosen tie rod jam nut and turn tie rod until steering
levers are aligned.
5
5. Hydrostatic Pump
Pulleys
6. Spring
Figure 23
6. Tighten jam nut on tie rod, tighten brake interlock and
tighten damper locknut.
4
OF3300
1. Damper Locknut
2. Damper
3. Tie-Rod Jam Nut
4. Tie-Rod
Eliminating Excessive Creeping of the Unit
(Figure 24))
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.
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:
GB - 27
1
2
3
4
7
5. Steering Lever
6. Brake Interlock
7. Hydrostatic
Transmission
Figure 24
5
3
6
OF3381