Section
3-15AB46 Work Platform
Maintenance
3.13 TORQUE HUBS
Note: Change oil in torque hubs after the first 50
hours of operation. Change every 2000 hours there-
after.
1. Remove torque hub from drive assembly (refer to
"Torque Hub Removal" section).
2. Remove drain plug from underside of torque hub
and drain oil from unit.
3. Replace drain plug.
4. Remove fill plug from top side of torque hub.
5. Remove fill level plug from side of hub.
6. Fill unit with 90 wt. gear oil until oil comes out fill
level plug opening (1/2 full).
7. Replace fill level plug. Replace fill plug.
8. Replace torque hub.
Figure 3-16: Torque Hub
3.13
ASSEMBLY
1. Assembly is reverse of disassembly
2. Apply grease to one side of thrust plate to hold it in
place.
3. Using clean hydraulic oil, thoroughly lubricate and
install cylinder block assembly. Install retaining ring.
Installation
NOTE: Torque all hardware to torques listed on
page 3-32 unless otherwise specified.
1. Install motor using hardware previously removed.
2. Install hydraulic oil lines.
3. Operate machine slowly for a short time to clear air
from hydraulic system. If necessary replenish oil
tank.
4. Check for leaks.
5. Operate machine to check for proper motor opera-
tion.
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