JLG 1100S Service Manual - Manual (Page 82)

SECTION 3 - CHASSIS & TURNTABLE
3-40 – JLG Lift – 3121256
Motor Control Valve Disassembly
1. Place unit on bench with the motor end up.
2. Remove O-ring Plug (1J) and drain the oil from the
gearbox.
3. Remove Hydraulic Tubing Assembly (35) by loosen-
ing fittings on both ends of tube with a wrench.
4. Using a wrench, loosen jam nuts on Elbow Fittings
(36) and remove fittings from Brake (26) and Motor
Control Valve (32).
5. Remove O-ring Plugs (21) from Motor Control Valve
(32).
6. Remove Motor Control Valve (32) from Motor (10) by
removing the four Bolts (34) and washers (33).
1J. O-Ring Plug
10. Hydraulic Motor
21. Plug
24. ID Plate
25. Drive Screw
26. Hydraulic Brake 32. Motor Control Valve
33. Lockwasher
34. Hex Bolt
35. Hydraulic Tubing
36. Elbow
Figure 3-33. Swing Drive - Motor Control Valve Disassembly