JLG 450A_AJ Series II Parts Manual User Manual
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TABLE OF CONTENTS
3121291
450A Series II/450AJ Series II
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FIGURE 1-1. AXLE AND STEERING INSTALLATION - 2WD WITHOUT TOW BAR .................................................................... 10
FIGURE 1-2. AXLE AND STEERING INSTALLATION - 2WD WITH TOW BAR ............................................................................ 14
FIGURE 1-3. AXLE AND STEERING INSTALLATION - 4WD ....................................................................................................... 18
FIGURE 1-4. TIRE AND WHEEL DRIVE INSTALLATION ............................................................................................................. 22
FIGURE 1-5. DRIVE HUB/BRAKE ASSEMBLY (REAR) ................................................................................................................ 26
FIGURE 1-6. DRIVE HUB ASSEMBLY (FRONT) (4WD ONLY) .................................................................................................... 30
FIGURE 1-7. DRIVE MOTOR ASSEMBLY (2WD) ......................................................................................................................... 32
FIGURE 1-8. DRIVE MOTOR ASSEMBLY (4WD) ......................................................................................................................... 34
FIGURE 1-9. DRIVE VALVES AND FRAME SHIELDS INSTALLATION ....................................................................................... 36
FIGURE 1-10. TOW BAR (NON-FOLDING) INSTALLATION (OPTIONAL) ................................................................................... 40
FIGURE 1-11. TOW BAR (FOLDING) INSTALLATION (OPTIONAL) ............................................................................................ 42
FIGURE 2-1. MAIN CONTROL VALVE AND ALARM INSTALLATIONS ....................................................................................... 46
FIGURE 2-2. MAIN CONTROL VALVE ASSEMBLY ...................................................................................................................... 48
FIGURE 2-3. TURNTABLE AND SWING DRIVE INSTALLATIONS .............................................................................................. 50
FIGURE 2-4. SWING MOTOR ASSEMBLY ................................................................................................................................... 52
FIGURE 2-5. SWING BEARING AND ROTATION BOX ASSEMBLY ............................................................................................ 54
FIGURE 2-6. CATERPILLAR ENGINE INSTALLATION (USA BUILT MACHINES) ....................................................................... 56
FIGURE 2-7. CATERPILLAR ENGINE INSTALLATION (ROMANIAN BUILT MACHINES) ........................................................... 64
FIGURE 2-8. DEUTZ D2011 ENGINE INSTALLATION (USA BUILT MACHINES) ........................................................................ 72
FIGURE 2-9. DEUTZ D2011 ENGINE INSTALLATION (ROMANIAN BUILT MACHINES) ............................................................ 80
FIGURE 2-10. DEUTZ TD2.9L4 ENGINE INSTALLATION (USA BUILT MACHINES) ................................................................... 86
FIGURE 2-11. GM ENGINE INSTALLATION ................................................................................................................................. 96
FIGURE 2-12. PISTON PUMP ASSEMBLY ................................................................................................................................. 102
FIGURE 2-13. GEAR PUMP ASSEMBLY .................................................................................................................................... 106
FIGURE 2-14. AUXILIARY PUMP ASSEMBLY ............................................................................................................................ 108
FIGURE 2-15. TANK INSTALLATIONS ........................................................................................................................................ 110
FIGURE 2-16. LP TANK INSTALLATION (GM ENGINE MACHINES ONLY) .............................................................................. 114
FIGURE 2-17. GROUND CONTROL BOX ASSEMBLY ............................................................................................................... 116
FIGURE 2-18. LIGHT INSTALLATIONS ....................................................................................................................................... 120
FIGURE 2-19. HOODS INSTALLATION ...................................................................................................................................... 122
FIGURE 3-1. TOWER/MID BOOMS AND CYLINDERS INSTALLATION (USA BUILT MACHINES) ........................................... 130
FIGURE 3-2. TOWER/MID BOOMS AND CYLINDERS INSTALLATION (ROMANIAN BUILT MACHINES) ............................... 134
FIGURE 3-3. MAIN BOOM INSTALLATION - 450A SERIES II .................................................................................................... 138
FIGURE 3-4. MAIN BOOM INSTALLATION - 450AJ SERIES II (USA BUILT MACHINES) ......................................................... 142
FIGURE 3-5. MAIN BOOM INSTALLATION - 450AJ SERIES II (ROMANIAN BUILT MACHINES) ............................................. 146
FIGURE 3-6. MAIN BOOM ASSEMBLIES ................................................................................................................................... 150
FIGURE 3-7. ROTATOR ASSEMBLIES ....................................................................................................................................... 154
FIGURE 3-8. PLATFORM SUPPORT AND CONTROL VALVES INSTALLATIONS.................................................................... 158
FIGURE 4-1. PLATFORM INSTALLATION .................................................................................................................................. 162
FIGURE 4-2. FALL ARREST PLATFORM COMPONENTS INSTALLATION (OPTIONAL) ......................................................... 166
FIGURE 4-3. SOFT TOUCH SYSTEM INSTALLATION (OPTIONAL) ......................................................................................... 168
FIGURE 4-4. PLATFORM CONSOLE ASSEMBLY ...................................................................................................................... 170
FIGURE 4-5. CONTROLLER ASSEMBLY (LIFT AND SWING) (USA BUILT MACHINES Prior to SN 0300188629; ROMANIAN
BUILT MACHINES Prior to SN E300001832) ............................................................................................................................... 174
FIGURE 4-6. CONTROLLER ASSEMBLY (LIFT AND SWING) (USA BUILT MACHINES SN 0300188629 to Present; ROMANIAN
BUILT MACHINES SN E300001832 to Present) .......................................................................................................................... 176
FIGURE 4-7. CONTROLLER ASSEMBLY (DRIVE AND STEER) (USA BUILT MACHINES Prior to SN 0300188629; ROMANIAN
BUILT MACHINES Prior to SN E300001832) ............................................................................................................................... 180
FIGURE 4-8. CONTROLLER ASSEMBLY (DRIVE AND STEER) (USA BUILT MACHINES SN 0300188629 to Present;
ROMANIAN BUILT MACHINES SN E300001832 to Present) ...................................................................................................... 182
FIGURE 5-1. USA BUILT MACHINES/AXLE LOCKOUT CYLINDER .......................................................................................... 186
FIGURE 5-2. USA BUILT MACHINES/LEVEL (PLATFORM SLAVE) CYLINDER (450A SERIES II) .......................................... 188