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SECTION 5 - HYDRAULICS
3121290
– JLG Lift –
5-37
Jib Lift Cylinder (AJ Only) Without Arctic Package
Refer to Figure 5-76.
DISASSEMBLY
CONTAMINATION MAY DAMAGE EQUIPMENT. DISASSEMBLE CYLINDER ON A
CLEAN WORK SURFACE IN A DIRT FREE WORK AREA.
1.
Connect a suitable auxiliary hydraulic power source to
cylinder port block fitting.
DO NOT FULLY EXTEND CYLINDER TO THE END OF STROKE. RETRACT CYLINDER
SLIGHTLY TO AVOID TRAPPING PRESSURE.
2.
Operate hydraulic power source and extend cylinder.
Shut down and disconnect power source. Adequately
support cylinder rod, if applicable.
3.
If applicable, remove cartridge-type holding valve and fit-
tings from cylinder port block. Discard O-rings.
4.
Place cylinder barrel in a suitable holding fixture. Tap
around outside of cylinder head retainer with a suitable
hammer to break thread-locking compound.
Figure 5-73. Cylinder Barrel Support
5.
Mark cylinder head and barrel with a center punch for
reassembly. Unscrew cylinder head with spanner
wrench.
Figure 5-74. Cylinder Head Removal
PULLING ROD OFF-CENTER CAN DAMAGE PISTON AND CYLINDER BARREL SURFACES.
USE EXTREME CARE WHEN REMOVING CYLINDER ROD, HEAD, AND PISTON.
6.
Clamp barrel securely. Pull rod assembly from barrel.
Figure 5-75. Cylinder Rod Support
Содержание 450A II Series
Страница 21: ...SECTION 1 SPECIFICATIONS 3121290 JLG Lift 1 5 Figure 1 2 Operator Maintenance and Lubrication Diagram ...
Страница 44: ...SECTION 3 CHASSIS TURNTABLE 3 4 JLG Lift 3121290 Figure 3 3 Drive Hub and Brake Assembly 2WD and 4WD ...
Страница 46: ...SECTION 3 CHASSIS TURNTABLE 3 6 JLG Lift 3121290 Figure 3 4 Drive Hub 4WD Front Only ...
Страница 79: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 39 Figure 3 32 Swing Bearing Drive ...
Страница 101: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 61 Figure 3 42 Auxiliary Pump ...
Страница 107: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 67 Figure 3 47 Deutz EMR 2 Troubleshooting Flow Chart ...
Страница 108: ...SECTION 3 CHASSIS TURNTABLE 3 68 JLG Lift 3121290 Figure 3 48 Deutz EMR 2 Vehicle Side Connection Diagram ...
Страница 109: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 69 Figure 3 49 Deutz EMR 2 Engine Side Connection Diagram Sheet 1 of 2 ...
Страница 110: ...SECTION 3 CHASSIS TURNTABLE 3 70 JLG Lift 3121290 Figure 3 50 Deutz EMR 2 Engine Side Connection Diagram Sheet 2 of 2 ...
Страница 111: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 71 Figure 3 51 EMR 2 Engine Plug Pin Identification ...
Страница 112: ...SECTION 3 CHASSIS TURNTABLE 3 72 JLG Lift 3121290 Figure 3 52 EMR 2 Vehicle Plug Pin Identification ...
Страница 113: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 73 Figure 3 53 EMR2 Fault Codes Sheet 1 of 5 ...
Страница 114: ...SECTION 3 CHASSIS TURNTABLE 3 74 JLG Lift 3121290 Figure 3 54 EMR2 Fault Codes Sheet 2 of 5 ...
Страница 115: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 75 Figure 3 55 EMR2 Fault Codes Sheet 3 of 5 ...
Страница 116: ...SECTION 3 CHASSIS TURNTABLE 3 76 JLG Lift 3121290 Figure 3 56 EMR2 Fault Codes Sheet 4 of 5 ...
Страница 117: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 77 Figure 3 57 EMR2 Fault Codes Sheet 5 of 5 ...
Страница 159: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 119 ...
Страница 161: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 121 ...
Страница 163: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 123 ...
Страница 165: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 125 ...
Страница 173: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 133 Sensor Transducer Type ...
Страница 177: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 137 Sensor Transducer Type ...
Страница 179: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 139 ...
Страница 181: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 141 ...
Страница 183: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 143 ...
Страница 185: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 145 ...
Страница 187: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 147 ...
Страница 203: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 163 ...
Страница 207: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 167 ...
Страница 217: ...SECTION 4 BOOM PLATFORM 3121290 JLG Lift 4 5 Figure 4 2 Boom Limit Switches ...
Страница 310: ...SECTION 5 HYDRAULICS 5 70 JLG Lift 3121290 NOTES ...
Страница 312: ...SECTION 6 JLG CONTROL SYSTEM 6 2 JLG Lift 3121290 Figure 6 2 Controller Block Diagram 0 ...
Страница 337: ...SECTION 6 JLG CONTROL SYSTEM 3121290 JLG Lift 6 27 Figure 6 11 System Test Flow Chart Platform Tests ...
Страница 339: ...SECTION 6 JLG CONTROL SYSTEM 3121290 JLG Lift 6 29 Figure 6 12 System Test Flow Chart Ground Station Tests ...
Страница 350: ...SECTION 6 JLG CONTROL SYSTEM 6 40 JLG Lift 3121290 Figure 6 13 Control Module And Fault Code Light Locations ...
Страница 370: ...SECTION 6 JLG CONTROL SYSTEM 6 60 JLG Lift 3121290 NOTES ...
Страница 380: ...SECTION 7 BASIC ELECTRICAL INFORMATION SCHEMATICS 7 10 JLG Lift 3121290 Figure 7 26 Electrical Components 1 of 2 ...
Страница 381: ...SECTION 7 BASIC ELECTRICAL INFORMATION SCHEMATICS 3121290 JLG Lift 7 11 Figure 7 27 Electrical Components 2 of 2 ...
Страница 388: ...SECTION 7 BASIC ELECTRICAL INFORMATION SCHEMATICS 7 18 JLG Lift 3121290 Figure 7 34 Main Hydraulic Schematic 1 of 2 ...
Страница 394: ...SECTION 7 BASIC ELECTRICAL INFORMATION SCHEMATICS 7 24 JLG Lift 3121290 NOTES ...
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