JLG 450A 450AJ Illustrated Parts Manual 3120870 – PDF DOWNLOAD

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JLG 450A 450AJ Illustrated Parts Manual 3120870 – PDF DOWNLOAD

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JLG 450A 450AJ Illustrated Parts Manual 3120870 – PDF DOWNLOAD

Language : English
Pages : 202
Downloadable : Yes
File Type : PDF

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TABLE OF CONTENTS:

JLG 450A 450AJ Illustrated Parts Manual 3120870 – PDF DOWNLOAD

SECTION 1 FRAME………………………………………………………………….. 7
FIGURE 1-1. AXLE AND STEERING INSTALLATION – 2WD WITHOUT TOW BAR…………………… 8
FIGURE 1-2. AXLE AND STEERING INSTALLATION – 2WD WITH TOW BAR (S/N 49971 TO PRESENT)…. 12
FIGURE 1-3. AXLE AND STEERING INSTALLATION – 4WD…………………………………. 16
FIGURE 1-4. TIRE AND WHEEL DRIVE INSTALLATIONS…………………………………… 20
FIGURE 1-5. DRIVE BRAKE ASSEMBLY……………………………………………….. 24
FIGURE 1-6. DRIVE HUB ASSEMBLY (PRIOR TO S/N 39594)………………………………. 26
FIGURE 1-7. DRIVE HUB ASSEMBLY (S/N 39594 TO PRESENT)…………………………….. 28
FIGURE 1-8. DRIVE MOTOR ASSEMBLY – REAR…………………………………………. 32
FIGURE 1-9. DRIVE MOTOR ASSEMBLY – FRONT………………………………………… 34
FIGURE 1-10. DRIVE VALVES INSTALLATIONS…………………………………………. 36
FIGURE 1-11. TOW BAR INSTALLATION – 2WD…………………………………………. 40
FIGURE 1-12. SEMI-TRACK INSTALLATION……………………………………………. 44
SECTION 2 TURNTABLE………………………………………………………………. 47
FIGURE 2-1. CONTROL VALVES INSTALLATIONS………………………………………… 48
FIGURE 2-2. MAIN CONTROL VALVE ASSEMBLY – PROPORTIONAL……………………………. 50
FIGURE 2-3. TURNTABLE AND SWING DRIVE INSTALLATIONS………………………………. 52
FIGURE 2-4. SWING MOTOR ASSEMBLY……………………………………………….. 54
FIGURE 2-5. DEUTZ ENGINE INSTALLATION…………………………………………… 56
FIGURE 2-6. GENERATOR INSTALLATION – DEUTZ MACHINES (OPTIONAL)…………………….. 62
FIGURE 2-7. PISTON PUMP ASSEMBLY……………………………………………….. 66
FIGURE 2-8. TANK INSTALLATIONS…………………………………………………. 70
FIGURE 2-9. GROUND CONTROL BOX ASSEMBLY…………………………………………. 72
FIGURE 2-10. ELECTRICAL OPTIONS INSTALLATION (TURNTABLE MOUNTED)…………………… 76
FIGURE 2-11. HOODS INSTALLATION………………………………………………… 80
SECTION 3 BOOM…………………………………………………………………… 83
FIGURE 3-1. TOWER/MID BOOMS AND CYLINDERS INSTALLATION……………………………. 84
FIGURE 3-2. MAIN BOOM AND CYLINDERS INSTALLATION – 450A…………………………… 88
FIGURE 3-3. MAIN BOOM AND CYLINDERS INSTALLATION – 450AJ………………………….. 92
FIGURE 3-4. MAIN BOOM ASSEMBLIES……………………………………………….. 96
FIGURE 3-5. BOOM COVERS, CABLES AND CLAMPS INSTALLATION……………………………100
SECTION 4 PLATFORM………………………………………………………………..103
FIGURE 4-1. PLATFORM INSTALLATION……………………………………………….104
FIGURE 4-2. PLATFORM CONSOLE ASSEMBLY……………………………………………108
FIGURE 4-3. CONTROLLER ASSEMBLY (LIFT & SWING) (PRIOR TO S/N39857)………………….114
FIGURE 4-4. CONTROLLER ASSEMBLY (LIFT & SWING) (S/N39857 TO PRESENT)………………..116
FIGURE 4-5. CONTROLLER ASSEMBLY (DRIVE & STEER) (PRIOR TO S/N39857)…………………120
FIGURE 4-6. CONTROLLER ASSEMBLY (DRIVE & STEER) (S/N39857 TO PRESENT)……………….124
FIGURE 4-7. CONTROLLER ASSEMBLY (SPEED)………………………………………….128
FIGURE 4-8. SOFT TOUCH SYSTEM INSTALLATION (S/N 49601 TO PRESENT)…………………..130
SECTION 5 CYLINDER………………………………………………………………..133
FIGURE 5-1. AXLE LOCKOUT CYLINDER ASSEMBLY……………………………………….134
FIGURE 5-2. PLATFORM LEVEL CYLINDER ASSEMBLY……………………………………..136
FIGURE 5-3. LIFT CYLINDER ASSEMBLY – JIB (450AJ ONLY)……………………………..140
FIGURE 5-4. LIFT CYLINDER ASSEMBLY – MAIN………………………………………..142
FIGURE 5-5. LIFT CYLINDER ASSEMBLY – MID…………………………………………146
FIGURE 5-6. LIFT CYLINDER ASSEMBLY – TOWER……………………………………….148
FIGURE 5-7. ROTATOR CYLINDER ASSEMBLY – PLATFORM………………………………….150
FIGURE 5-8. STEER CYLINDER ASSEMBLY……………………………………………..152
FIGURE 5-9. 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
SECTION 10 SPECIAL OPTIONS…………………………………………………………199

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