Rotary Coupling - JLG 1200SJP Service Maintenance Manual

3.22 ROTARY COUPLING

Use the following procedure to 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 3-59.,
Rotary Coupling Seal Installation.
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Figure 3-59. Rotary Coupling Seal Installation
– JLG Lift –
SECTION 3 - CHASSIS & TURNTABLE
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 hydraulic
oil).
10. Replace thrust ring and snap ring.
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