SECTION 3 - CHASSIS & TURNTABLE
3-66
– JLG Lift –
3121142
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 gear-
box.
3.
Remove Hydraulic Tubing Assembly (35) by loosening
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 3-37. Swing Drive - Motor Control Valve Disassembly
Summary of Contents for 1200SJP
Page 1: ...Service and Maintenance Manual Models 1200SJP 1350SJP P N 3121142 November 8 2016 AS NZS...
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Page 20: ...xiv JLG Lift 3121142 LIST OF TABLES TABLE NO TITLE PAGE NO This page left blank intentionally...
Page 51: ...SECTION 3 CHASSIS TURNTABLE 3121142 JLG Lift 3 5 This page left blank intentionally...
Page 58: ...SECTION 3 CHASSIS TURNTABLE 3 12 JLG Lift 3121142 Figure 3 11 Axle Loctite Application...
Page 64: ...SECTION 3 CHASSIS TURNTABLE 3 18 JLG Lift 3121142 Figure 3 13 Drive Hub Sheet 1 of 2...
Page 173: ...SECTION 3 CHASSIS TURNTABLE 3121142 JLG Lift 3 127 Figure 3 75 EMR2 Fault Codes Sheet 1 of 5...
Page 174: ...SECTION 3 CHASSIS TURNTABLE 3 128 JLG Lift 3121142 Figure 3 76 EMR2 Fault Codes Sheet 2 of 5...
Page 175: ...SECTION 3 CHASSIS TURNTABLE 3121142 JLG Lift 3 129 Figure 3 77 EMR2 Fault Codes Sheet 3 of 5...
Page 176: ...SECTION 3 CHASSIS TURNTABLE 3 130 JLG Lift 3121142 Figure 3 78 EMR2 Fault Codes Sheet 4 of 5...
Page 177: ...SECTION 3 CHASSIS TURNTABLE 3121142 JLG Lift 3 131 Figure 3 79 EMR2 Fault Codes Sheet 5 of 5...
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Page 248: ...SECTION 4 BOOM PLATFORM 4 14 JLG Lift 3121142 Figure 4 7 Boom Assembly Sheet 7 of 7...
Page 305: ...SECTION 4 BOOM PLATFORM 3121142 JLG Lift 4 71 Figure 4 31 Outer Mid Boom Extend Retract Cables...
Page 306: ...SECTION 4 BOOM PLATFORM 4 72 JLG Lift 3121142 Figure 4 32 Fly Boom Extend Retract Cables...
Page 323: ...SECTION 4 BOOM PLATFORM 3121142 JLG Lift 4 89 Figure 4 37 Rotator Counterbalance Valve...
Page 352: ...SECTION 5 HYDRAULICS 5 28 JLG Lift 3121142 Figure 5 28 Steer Pressure Adjustments...
Page 379: ...SECTION 6 JLG CONTROL SYSTEM 3121142 JLG Lift 6 3 Figure 6 2 Control System Block Diagram...
Page 388: ...SECTION 6 JLG CONTROL SYSTEM 6 12 JLG Lift 3121142 Figure 6 10 Control Module Location...
Page 457: ...SECTION 6 JLG CONTROL SYSTEM 3121142 JLG Lift 6 81 Figure 6 24 Fault Code Light Location...
Page 490: ...SECTION 6 JLG CONTROL SYSTEM 6 114 JLG Lift 3121142 Figure 6 31 CANbus Circuit...
Page 508: ...SECTION 6 JLG CONTROL SYSTEM 6 132 JLG Lift 3121142 Figure 6 32 Moment Chart...
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