JLG 660SJ ANSI Service Manual - Manual (Page 66)

SECTION 3 - CHASSIS & TURNTABLE
3-12 – JLG Lift – 3120718
4. Remove the Cover Subassembly (6) from the unit.
The unit can be carefully pressurized with air to pop
the cover out of the unit.
6. Cover
6G. Retaining Ring
15. ID Plate
Figure 3-3. Main Disassembly