JLG 1100SB Service Manual - Manual (Page 144)

SECTION 3 - CHASSIS & TURNTABLE
3-102 – JLG Lift – 3121265
3.21 ROTARY COUPLING
Use the following procedure for installing the seal kit.
1. Remove snap ring (7) from end.
2. Remove thrust ring (3) from same end.
3. Remove center body (1) from housing (3).
4. Cut off old seals (2,3,5).
5. Assemble lip seals (2) in direction shown in Figure 3-
55., Rotary Coupling Seal Installation.
6. Reassemble O-ring (4).
7. Heat cap seals (5) in hydraulic oil for 5 minutes at
300° F (149° C).
8. Assemble cap seals over O-rings
9. Reinsert center body into housing (lube with hydrau-
lic oil).
10. Replace thrust ring and snap ring.
Figure 3-55. Rotary Coupling Seal Installation