JLG 450A 450AJ PVC Parts Manual (3120870) – PDF DOWNLOAD (ENGLISH)

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JLG 450A 450AJ PVC Parts Manual (3120870) – PDF DOWNLOAD

TABLE OF CONTENTS:

JLG 450A 450AJ PVC Parts Manual (3120870) – 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 (SN 0300049971 through 0300065080).... 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 - 2WD............................................................. 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. PISTON PUMP ASSEMBLY.................................................................... 70
	FIGURE 2-9. TANK INSTALLATIONS...................................................................... 74
	FIGURE 2-10. GROUND CONTROL BOX ASSEMBLY............................................................ 76
	FIGURE 2-11. ELECTRICAL OPTIONS INSTALLATION (TURNTABLE MOUNTED).................................... 80
	FIGURE 2-12. HOODS INSTALLATION..................................................................... 82
SECTION 3 - BOOM........................................................................................ 85
	FIGURE 3-1. TOWER/MID BOOMS AND CYLINDERS INSTALLATION.............................................. 86
	FIGURE 3-2. MAIN BOOM AND CYLINDERS INSTALLATION - 450A............................................. 90
	FIGURE 3-3. MAIN BOOM AND CYLINDERS INSTALLATION - 450AJ............................................ 94
	FIGURE 3-4. MAIN BOOM ASSEMBLIES.................................................................... 98
	FIGURE 3-5. BOOM COVERS, CABLES AND CLAMPS INSTALLATION.............................................102
SECTION 4 - PLATFORM....................................................................................105
	FIGURE 4-1. PLATFORM INSTALLATION...................................................................106
	FIGURE 4-2. PLATFORM CONSOLE ASSEMBLY...............................................................110
	FIGURE 4-3. CONTROLLER ASSEMBLY (LIFT AND SWING) (Prior to SN 0300039857)...........................114
	FIGURE 4-4. CONTROLLER ASSEMBLY (LIFT AND SWING) (SN 0300039857 through 0300065080).................116
	FIGURE 4-5. CONTROLLER ASSEMBLY (DRIVE AND STEER) (Prior to SN 0300039857)..........................120
	FIGURE 4-6. CONTROLLER ASSEMBLY (DRIVE AND STEER) (SN 0300039857 through 0300065080)................124
	FIGURE 4-7. CONTROLLER ASSEMBLY (SPEED).............................................................126
	FIGURE 4-8. SOFT TOUCH SYSTEM INSTALLATION (SN 0300049601 through 0300065080).......................128
SECTION 5 - CYLINDER....................................................................................131
	FIGURE 5-1. AXLE LOCKOUT CYLINDER ASSEMBLY..........................................................132
	FIGURE 5-2. PLATFORM LEVEL CYLINDER ASSEMBLY........................................................134
	FIGURE 5-3. LIFT CYLINDER ASSEMBLY - JIB (450AJ ONLY)...............................................138
	FIGURE 5-4. LIFT CYLINDER ASSEMBLY - MAIN...........................................................140
	FIGURE 5-5. LIFT CYLINDER ASSEMBLY - MID............................................................144
	FIGURE 5-6. LIFT CYLINDER ASSEMBLY - TOWER..........................................................146
	FIGURE 5-7. ROTATOR CYLINDER ASSEMBLY - PLATFORM....................................................148
	FIGURE 5-8. STEER CYLINDER ASSEMBLY (ORIGINAL EQUIPMENT)............................................150
	FIGURE 5-9. STEER CYLINDER ASSEMBLY (SERVICE REPLACEMENT)...........................................152
	FIGURE 5-10. TELESCOPE CYLINDER ASSEMBLY............................................................154
SECTION 6 - HYDRAULIC...................................................................................157
	FIGURE 6-1. AXLE LOCKOUT HYDRAULIC DIAGRAM - 2WD....................................................158
	FIGURE 6-2. TOW BAR HYDRAULIC DIAGRAM...............................................................160
	FIGURE 6-3. AXLE LOCKOUT HYDRAULIC DIAGRAM - 4WD....................................................162
	FIGURE 6-4. DRIVE HYDRAULIC DIAGRAM - 2WD...........................................................164
	FIGURE 6-5. DRIVE HYDRAULIC DIAGRAM - 4WD...........................................................168
	FIGURE 6-6. STANDARD HYDRAULIC DIAGRAM..............................................................172
	FIGURE 6-7. HYDRAULIC DIAGRAM LIST..................................................................176
SECTION 7 - ELECTRICAL..................................................................................177
	FIGURE 7-1. ELECTRICAL DIAGRAM LIST.................................................................178
	FIGURE 7-2. ELECTRICAL SCHEMATIC - DEUTZ ENGINE MACHINES............................................180
	FIGURE 7-3. HARNESS COMPONENTS INSTALLATION.........................................................184
SECTION 8 - DECALS......................................................................................193
	FIGURE 8-1. DECALS INSTALLATION.....................................................................194
SECTION 9 - RECOMMENDED SERVICE PARTS STOCK.............................................................197
	FIGURE 9-1. MODELS 450A/450AJ WITH PROPORTIONAL CONTROLS STANDARD PARTS.............................198
	FIGURE 9-2. MODELS 450A/450AJ WITH PROPORTIONAL CONTROLS VARIABLE PARTS.............................200
SECTION 10 - SPECIAL OPTIONS............................................................................201
	FIGURE 10-1. SPECIAL OPTIONS........................................................................202
PART NUMBER INDEX.......................................................................................205

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