Gravely Promaster 260Z Owner's/Operator's Manual page 23

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 18)
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.
RADIATOR FAN BELT REMOVAL
Refer to Engine Manual for detailed instructions or see your
Gravely dealer for replacement.
STEERING CONTROL NEUTRAL
ADJUSTMENT
1
7
1. Damper Ball Nut
2. Damper
3. Tie-Rod Jam Nut
4. Tie-Rod
If steering levers do not line up (match) or unit has excessive
creeping when steering levers are in neutral, adjust as
follows.
5
2
3
4 3
5. Steering Lever
6. Brake Interlock
7. Hydrostatic
Transmission
Figure 19
Adjusting Steering Levers to Line Up (Match)
(Figure 18)
1. Place hood in the full service position (see Service
Positions on page 17).
2. Loosen damper ball nut on the same side as steering
lever to be adjusted.
3. Loosen brake interlock on the same side as steering
lever to be adjusted.
4. Loosen tie-rod jam nut and turn tie-rod until steering
levers are aligned.
5. Tighten jam nut on tie-rod, tighten brake interlock and
tighten damper ball nut.
Eliminating Excessive Creeping of Unit (Figure 18)
WARNING: This adjustment requires operating
engine and opening the hood (on models 992318
and 319 the hood safety interlock switch must be
bypassed). 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 unit up to and facing a wall, jack unit up so that
both drive wheels are off the ground.
3. Start engine and release parking brake.
4. Move 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.
6
NOTE: The right and left steering levers are adjusted the
same way. To access the tie-rod, place hood in the full
service position (see Service Positions on page 17).
7. Adjust tie-rod(s):
If the wheel is moving in a forward direction:
a. Loosen jam nut on each end of tie-rod.
b. Turn tie-rod counterclockwise (lengthening the
distance between steering lever and hydrostatic
transmission) several times.
If the wheel is moving in a reverse direction:
a. Loosen jam nut on each end of tie-rod.
b. Turn tie-rod clockwise (decreasing the distance
between steering lever and hydrostatic
transmission) several times.
8. Close hood.
OF3381
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.
GB - 23