Adjust Transaxles - Gravely Pro-Turn 400 Series Operator's Manual

ADJUST TRANSAXLES

Check For Excessive Creep
WARNING: AVOID INJURY.
This adjustment requires
operating the engine. 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. Operate unit for a minimum of 5 minutes
to warm hydraulic system.
2. Stop engine and engage parking brake.
3. Chock front wheels and support unit so
both drive wheels are off the ground.
4. Remove drive wheels.
5. Start engine, move throttle lever to fast
position and release parking brake.
6. Move steering levers forward and
backward 5 or 6 times and then return
levers to neutral position.
7. Check hubs for rotation.
• If there is only slight rotation, stop
engine, reinstall wheels and lower unit
to ground.
• If there is excessive rotation, set neutral
position as directed below.
IMPORTANT: Torque wheel lug nuts to
81.3 N•m – 122.0 N•m (60 lb-ft – 90 lb-ft).
Adjust Neutral Position
If wheel hub has excessive rotation after
checking for excessive creep, adjust neutral
position.
1. Loosen the return-to-neutral screw on the
transaxle. See Figure 36.
2
1. Transaxle
2. Return-to-Neutral Screw
2. Slowly turn transaxle control arm in the
opposite direction of hub rotation until hub
stops. See Figure 37.
1. Transaxle Control Arm
2. Wheel Hub
3. Hold the transaxle control arm in position
and tighten the return-to-neutral screw.
4. Start engine, move throttle lever to fast
position and release parking brake.
5. Move steering levers forward and
backward 5 or 6 times and then return
levers to neutral position.
6. Check wheel hubs for rotation.
• If there is only slight rotation, stop
engine, reinstall wheels, return unit to
operating position and advance to
Adjust Parking Brake Interlock on Page
31.
• If there is excessive rotation, repeat
steps – 6.
EN - 30
1
Figure 36
2
1
Figure 37