JLG 660SJ Service Manual - Manual (Page 48)

SECTION 3 - CHASSIS & TURNTABLE
3-4 – JLG Lift – 3121298
Main Disassembly
1. Perform Roll Check, Leak Check, and Brake Check if
applicable before disassembly.
2. Drain oil from unit. Note condition and volume of oil.
3. Remove Retaining Ring (6G) by prying open end of
Retaining Ring out of groove in Ring Gear (1E) with a
screwdriver. Grasp loose end with pliers and pull out
Retaining Ring.
4. Remove Cover Subassembly (6).
NOTE: Carefully pressurize unit with air to pop cover off.
5. Remove Input Carrier Subassembly (3).
6. Remove Input Shaft (9).
7. Remove Second Stage Sun Gear (11).
8. Loosen and remove three Flat Head Bolts (19) that retain
Ring Gear (1E) to Housing (1G).
9. Lift Ring Gear (1E) off Housing (1D).
10. Remove O-ring (18) from Housing (1D.
Figure 3-4. Torque Hub Main Disassembly
1D
1E
9
11
19 18
3 6 6A