JLG 450A 450AJ PVC Parts Manual (3120750) – PDF DOWNLOAD (ENGLISH)

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JLG 450A 450AJ PVC Parts Manual (3120750) – PDF DOWNLOAD

TABLE OF CONTENTS:

JLG 450A 450AJ PVC Parts Manual (3120750) – PDF DOWNLOAD

SECTION 1 - FRAME....................................................................................  9
	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 INSTALLATIONS................................................... 22
	FIGURE 1-5. DRIVE BRAKE ASSEMBLY................................................................. 26
	FIGURE 1-6. DRIVE HUB ASSEMBLY (Prior to SN 0300039594).......................................... 28
	FIGURE 1-7. DRIVE HUB ASSEMBLY (SN 0300039594 through 0300065080)................................ 30
	FIGURE 1-8. DRIVE MOTOR ASSEMBLY - REAR.......................................................... 34
	FIGURE 1-9. DRIVE MOTOR ASSEMBLY - FRONT......................................................... 36
	FIGURE 1-10. DRIVE VALVES INSTALLATIONS.......................................................... 40
	FIGURE 1-11. TOW BAR INSTALLATION................................................................ 44
	FIGURE 1-12. SEMI-TRACK INSTALLATION............................................................. 46
SECTION 2 - TURNTABLE................................................................................ 49
	FIGURE 2-1. CONTROL VALVES INSTALLATIONS......................................................... 50
	FIGURE 2-2. MAIN CONTROL VALVE ASSEMBLY - PROPORTIONAL........................................... 52
	FIGURE 2-3. TURNTABLE AND SWING DRIVE INSTALLATIONS.............................................. 54
	FIGURE 2-4. SWING MOTOR ASSEMBLY................................................................. 56
	FIGURE 2-5. SWING BEARING ASSEMBLY............................................................... 58
	FIGURE 2-6. DEUTZ ENGINE INSTALLATION............................................................ 60
	FIGURE 2-7. GENERATOR INSTALLATION - DEUTZ MACHINES (OPTIONAL)................................... 66
	FIGURE 2-8. FORD ENGINE INSTALLATION (WITH CARBURETOR) (Prior to SN 0300046089).................. 70
	FIGURE 2-9. FORD ENGINE INSTALLATION (WITH EFI) (SN 0300046089 through 0300065080)............... 76
	FIGURE 2-10. DUAL FUEL INSTALLATIONS (FORD MACHINE OPTION) (Prior to SN 0300046089).............. 82
	FIGURE 2-11. DUAL FUEL INSTALLATIONS (FORD MACHINE OPTION) (SN 0300046089 through 0300065080).... 84
	FIGURE 2-12. GENERATOR INSTALLATION - FORD MACHINES (OPTIONAL)................................... 86
	FIGURE 2-13. ISUZU ENGINE INSTALLATION........................................................... 90
	FIGURE 2-14. GENERATOR INSTALLATION - ISUZU MACHINES (OPTIONAL).................................. 96
	FIGURE 2-15. PISTON PUMP ASSEMBLY................................................................100
	FIGURE 2-16. TANK INSTALLATIONS..................................................................104
	FIGURE 2-17. GROUND CONTROL BOX ASSEMBLY.........................................................106
	FIGURE 2-18. ELECTRICAL OPTIONS INSTALLATION (TURNTABLE MOUNTED).................................110
	FIGURE 2-19. HOODS INSTALLATION..................................................................112
SECTION 3 - BOOM.....................................................................................115
	FIGURE 3-1. TOWER/MID BOOMS AND CYLINDERS INSTALLATION...........................................116
	FIGURE 3-2. MAIN BOOM AND CYLINDERS INSTALLATION - 450A..........................................120
	FIGURE 3-3. MAIN BOOM AND CYLINDERS INSTALLATION - 450AJ.........................................124
	FIGURE 3-4. MAIN BOOM ASSEMBLIES.................................................................128
	FIGURE 3-5. BOOM COVERS, CABLES AND CLAMPS INSTALLATION..........................................132
SECTION 4 - PLATFORM.................................................................................135
	FIGURE 4-1. PLATFORM INSTALLATION................................................................136
	FIGURE 4-2. PLATFORM CONSOLE ASSEMBLY............................................................140
	FIGURE 4-3. CONTROLLER ASSEMBLY (LIFT AND SWING) (Prior to SN 0300039857)........................144
	FIGURE 4-4. CONTROLLER ASSEMBLY (LIFT AND SWING) (SN 0300039857 through 0300065080)..............146
	FIGURE 4-5. CONTROLLER ASSEMBLY (DRIVE AND STEER) (Prior to SN 0300039857).......................150
	FIGURE 4-6. CONTROLLER ASSEMBLY (DRIVE AND STEER) (SN 0300039857 through 0300065080).............154
	FIGURE 4-7. CONTROLLER ASSEMBLY (SPEED)..........................................................156
	FIGURE 4-8. SOFT TOUCH SYSTEM INSTALLATION (SN 0300049601 through 0300065080)....................158
SECTION 5 - CYLINDER.................................................................................161
	FIGURE 5-1. AXLE LOCKOUT CYLINDER ASSEMBLY.......................................................162
	FIGURE 5-2. PLATFORM LEVEL CYLINDER ASSEMBLY.....................................................164
	FIGURE 5-3. LIFT CYLINDER ASSEMBLY - JIB (450AJ ONLY)............................................168
	FIGURE 5-4. LIFT CYLINDER ASSEMBLY - MAIN........................................................170
	FIGURE 5-5. LIFT CYLINDER ASSEMBLY - MID.........................................................174
	FIGURE 5-6. LIFT CYLINDER ASSEMBLY - TOWER.......................................................176
	FIGURE 5-7. ROTATOR CYLINDER ASSEMBLY - PLATFORM.................................................178
	FIGURE 5-8. STEER CYLINDER ASSEMBLY (ORIGINAL EQUIPMENT).........................................180
	FIGURE 5-9. STEER CYLINDER ASSEMBLY (SERVICE REPLACEMENT)........................................182
	FIGURE 5-10. TELESCOPE CYLINDER ASSEMBLY.........................................................184
SECTION 6 - HYDRAULIC................................................................................187
	FIGURE 6-1. AXLE LOCKOUT HYDRAULIC DIAGRAM - 2WD.................................................188
	FIGURE 6-2. TOW BAR HYDRAULIC DIAGRAM............................................................190
	FIGURE 6-3. AXLE LOCKOUT HYDRAULIC DIAGRAM - 4WD.................................................192
	FIGURE 6-4. DRIVE HYDRAULIC DIAGRAM - 2WD........................................................194
	FIGURE 6-5. DRIVE HYDRAULIC DIAGRAM - 4WD........................................................198
	FIGURE 6-6. STANDARD HYDRAULIC DIAGRAM...........................................................202
	FIGURE 6-7. HYDRAULIC DIAGRAM LIST...............................................................206
SECTION 7 - ELECTRICAL...............................................................................207
	FIGURE 7-1. ELECTRICAL DIAGRAM LIST..............................................................208
	FIGURE 7-2. ELECTRICAL SCHEMATIC - DEUTZ ENGINE MACHINES.........................................210
	FIGURE 7-3. ELECTRICAL SCHEMATIC - FORD ENGINE MACHINES WITH CARBURETOR..........................214
	FIGURE 7-4. ELECTRICAL SCHEMATIC - FORD ENGINE MACHINES WITH EFI.................................218
	FIGURE 7-5. ELECTRICAL SCHEMATIC - ISUZU ENGINE MACHINES.........................................222
	FIGURE 7-6. HARNESS COMPONENTS INSTALLATION......................................................226
SECTION 8 - DECALS...................................................................................237
	FIGURE 8-1. DECALS INSTALLATION (STANDARD).......................................................238
	FIGURE 8-2. DECALS INSTALLATION (COUNTRY SPECS)..................................................242
SECTION 9 - RECOMMENDED SERVICE PARTS STOCK..........................................................247
	FIGURE 9-1. MODELS 450A/450AJ WITH PROPORTIONAL CONTROLS STANDARD PARTS..........................248
	FIGURE 9-2. MODELS 450A/450AJ WITH PROPORTIONAL CONTROLS VARIABLE PARTS..........................250
SECTION 10 - SPECIAL OPTIONS.........................................................................251
	FIGURE 10-1. SPECIAL OPTIONS.....................................................................252
PART NUMBER INDEX....................................................................................255

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