Snorkel LX41 Electric-sn4022+ - Manual (Page 60)

Torque Hub Section 2 - Service and Repair
Page 2-22 067448-003 LX31/LX41 Electric Work Platform
T O R Q U E H U B D I S A S S E M B L Y
C A U T I O N ! !
Safety glasses should be used during disassembly of hub.
1. Remove two pipe plugs in cover and drain the oil from the unit.
2. Loosen and remove shoulder bolts and cap screws from cover. Remove cover from hub.
3. Remove O-ring. Remove thrust washer from counterbore in cover.
4. Remove input gear from planet gears.
5. Using a punch, remove retaining ring from groove around inside of input gear.
6. Lift carrier sub-assembly from hub. Lift ring gear from hub. Remove O-ring from counterbore in hub.
7. Remove pipe plugs from side of hub body.
8. Apply a preload to output shaft to remove retaining ring. Follow steps a & b.
a. Place bearing cone pressing tool on retaining ring.
b. Apply pressure to fixture using a hydraulic ram or by striking the fixture with a soft face hammer. Pres-
sure should be applied until hub rotates with difficulty.
9. Using retaining ring pliers remove retaining ring. Remove spacer from output shaft.
10. Place spacer under hub so output shaft will fall through bottom when pressed out.
11. Press output shaft out of hub. Output shaft may come out with bearing cone and seal attached. Remove
seal and discard. Use a punch and hammer to remove bearing cone. Be careful not to strike shaft with
punch.
12. If seal and cone remain in hub, press them out using a pressing tool.
13. Lift bearing cone out of hub.
14. Stand hub on its small end. Using a punch and hammer, remove bearing cup from counterbore of hub.
Be careful not to strike counterbore with punch.
15. Turn hub over on larger end. Using a punch and hammer, remove bearing cup from counterbore of hub.
Be careful not to strike counterbore.
NOTE: Carrier sub-assembly does not need to be disassembled to replace seals.