Hydrostatic Drive Belt Replacement - Toro TITAN Service Manual

Purging Procedure (continued)

Hydrostatic Drive Belt Replacement

Hydrostatic Drive Belt Removal
Titan Service Manual
3438-774 Rev A
1. With the bypass valve open (push button) and the engine running, slowly
move the directional controls (forward/reverse levers) in both forward and
reverse directions 5–6 time; as air is purged from the transaxles, the oil level
will drop.
Note: Seat switch must be bypassed.
2. With the bypass valves in the closed position (run position) and the engine
running, slowly move the directional control levers in both forward and
reverse directions 5–6 times.
3. It may be necessary to repeat steps 1 and 2 until air is completely purged
from the transaxles. When the transaxles move forward at normal speed,
purging is complete.
1. Park the machine on a level surface and disengage the PTO. Stop the engine,
wait for all moving parts to stop, and remove key. Engage the parking brake.
2. Disconnect the battery by removing the negative cable first, then the positive
cable from the battery.
3. Raise and support the unit so that the drive wheels are off the ground.
4. Remove the mower belt from the clutch.
5. Using a spring removal tool, remove the drive idler spring from the slot in the
frame. Remove the spring from the drive idler arm and inspect for damage
or wear
g321832
6. Remove the clutch stop.
7. Remove the rear pulley.
8. Remove the idler arm and pulley.
Figure 59
Page 6–7 Hydrostatic Drive System: Service and Repairs