JLG 34HA Parts Manual (3120676) PDF Download

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JLG 34HA Parts Manual (3120676) PDF Download En

TABLE OF CONTENTS :

JLG 34HA Parts Manual (3120676) PDF Download 

SECTION 1 - FRAME.................................................................................................................................................  7
	FIGURE 1-1. FRAME, STEERING AND DRIVE COMPONENTS, ASSEMBLIES AND INSTALLATIONS - FIXED AND OSCILLATING AXLES (STANDARD 2WD - DOUBLE ACTING STEER CYLINDER)....  8
	FIGURE 1-2. FRAME, STEERING AND DRIVE COMPONENTS, ASSEMBLIES AND INSTALLATIONS - FIXED AND OSCILLATING AXLES (OPTIONAL 2WD - SINGLE ACTING STEER CYLINDER).... 12
	FIGURE 1-3. FRAME, STEERING AND DRIVE COMPONENTS, ASSEMBLIES AND INSTALLATIONS - FIXED AND OSCILLATING AXLES (4WD)............................................ 18
	FIGURE 1-4. DRIVE HUB ASSEMBLY................................................................................................................................ 22
	FIGURE 1-5. DRIVE HUB/BRAKE ASSEMBLY (4WD FRONT) (PRIOR TO DECEMBER 1991)..................................................................................... 26
	FIGURE 1-6. DRIVE HUB/BRAKE ASSEMBLY (4WD FRONT) (DECEMBER 1991 TO PRESENT)................................................................................... 28
	FIGURE 1-7. DRIVE BRAKE ASSEMBLY (PRIOR TO DECEMBER 1991)..................................................................................................... 32
	FIGURE 1-8. DRIVE BRAKE ASSEMBLY (DECEMBER 1991 TO SN 33475).................................................................................................. 34
	FIGURE 1-9. DRIVE BRAKE ASSEMBLY (SN 33476 through 56992)..................................................................................................... 36
	FIGURE 1-10. DRIVE MOTOR ASSEMBLY (GAS AND DIESEL)............................................................................................................ 38
	FIGURE 1-11. DRIVE MOTOR ASSEMBLY (ELECTRIC).................................................................................................................. 40
	FIGURE 1-12. VALVE INSTALLATION (FRAME MOUNTED)............................................................................................................... 44
	FIGURE 1-13. VALVE LOCKOUT ASSEMBLY........................................................................................................................... 46
	FIGURE 1-14. TOW PACKAGE INSTALLATION......................................................................................................................... 48
SECTION 2 - TURNTABLE............................................................................................................................................. 51
	FIGURE 2-1. CONTROL VALVES INSTALLATIONS...................................................................................................................... 52
	FIGURE 2-2. CONTROL VALVE ASSEMBLY - 3 & 4 SECTION RACINE BANG-BANG........................................................................................... 56
	FIGURE 2-3. CONTROL VALVE ASSEMBLY - 3 SECTION RACINE BANG-BANG............................................................................................... 60
	FIGURE 2-4. CONTROL VALVE ASSEMBLY - PROPORTIONAL............................................................................................................. 62
	FIGURE 2-5. VALVE ASSEMBLY - SINGLE STACK RACINE.............................................................................................................. 66
	FIGURE 2-6. MODULAR CONTROL VALVE ASSEMBLY.................................................................................................................... 68
	FIGURE 2-7. SWING DRIVE AND BEARING INSTALLATION.............................................................................................................. 70
	FIGURE 2-8. SWING BRAKE ASSEMBLY (MACHINES BUILT THROUGH 1992)................................................................................................ 74
	FIGURE 2-9. SWING MOTOR ASSEMBLY (MACHINES BUILT PRIOR TO 1993)............................................................................................... 76
	FIGURE 2-10. SWING MOTOR ASSEMBLY (MACHINES BUILT 1993 TO PRESENT)............................................................................................ 78
	FIGURE 2-11. ROTARY OIL COUPLING INSTALLATION................................................................................................................. 80
	FIGURE 2-12. FORD VSG-411 GAS ENGINE INSTALLATION (PRIOR TO JUNE 1995)........................................................................................ 82
	FIGURE 2-13. FORD VSG-413 GAS ENGINE INSTALLATION (JUNE 1995 TO PRESENT)...................................................................................... 88
	FIGURE 2-14. DUAL FUEL INSTALLATION - FORD.................................................................................................................... 94
	FIGURE 2-15. GENERATOR INSTALLATION - 110V (FORD)............................................................................................................. 96
	FIGURE 2-16. DEUTZ F2L-1011 DIESEL ENGINE INSTALLATION........................................................................................................ 98
	FIGURE 2-17. GENERATOR INSTALLATION - 110V (DEUTZ)............................................................................................................104
	FIGURE 2-18. ELECTRIC MOTOR, BATTERIES AND CHARGER INSTALLATIONS..............................................................................................108
	FIGURE 2-19. BATTERY CHARGER ASSEMBLY.........................................................................................................................112
	FIGURE 2-20. CONTACTOR BOX ASSEMBLY...........................................................................................................................114
	FIGURE 2-21. PUMP ASSEMBLY - SUNSTRAND (GAS AND DIESEL MACHINES)..............................................................................................116
	FIGURE 2-22. PUMP ASSEMBLY - SINGLE SECTION (GAS AND DIESEL MACHINES) (PRIOR TO AUGUST 1992)..................................................................120
	FIGURE 2-23. PUMP ASSEMBLY - SINGLE SECTION (GAS AND DIESEL MACHINES) (AUGUST 1992 TO PRESENT)................................................................122
	FIGURE 2-24. PUMP ASSEMBLY - 3 SECTION (ELECTRIC MACHINES)....................................................................................................124
	FIGURE 2-25. TANK INSTALLATION................................................................................................................................126
	FIGURE 2-26. GROUND CONTROL BOX ASSEMBLY......................................................................................................................130
	FIGURE 2-27. HOODS, LIGHTS AND ALARMS INSTALLATION............................................................................................................134
SECTION 3 - BOOM..................................................................................................................................................137
	FIGURE 3-1. TURNTABLE, BOOM AND HORIZONTAL LIMIT SWITCH INSTALLATIONS.........................................................................................138
	FIGURE 3-2. BOOM ASSEMBLIES...................................................................................................................................142
SECTION 4 - PLATFORM..............................................................................................................................................145
	FIGURE 4-1. STANDARD PLATFORM, CONTROLS AND SUPPORT INSTALLATIONS.............................................................................................146
	FIGURE 4-2. LOW MOUNT PLATFORM, CONTROLS AND SUPPORT INSTALLATIONS............................................................................................150
	FIGURE 4-3. ROTATOR MOTOR ASSEMBLY (WORM GEAR DRIVE)..........................................................................................................154
	FIGURE 4-4. ROTATOR MOTOR ASSEMBLY (HYDRAULIC PISTON).........................................................................................................156
	FIGURE 4-5. PLATFORM CONSOLE BOX ASSEMBLY.....................................................................................................................158
	FIGURE 4-6. PLATFORM CONSOLE BOX ASSEMBLY (PROPORTIONAL CONTROLS).............................................................................................162
	FIGURE 4-7. OPTIONAL COMMON PLATFORM MOUNTED COMPONENTS.......................................................................................................166
SECTION 5 - CYLINDER..............................................................................................................................................169
	FIGURE 5-1. AXLE LOCKOUT CYLINDER ASSEMBLY....................................................................................................................170
	FIGURE 5-2. PLATFORM LEVEL CYLINDER ASSEMBLY..................................................................................................................172
	FIGURE 5-3. LIFT (BOOM) CYLINDER ASSEMBLY.....................................................................................................................174
	FIGURE 5-4. ARTICULATE CYLINDER ASSEMBLY......................................................................................................................176
	FIGURE 5-5. STEER CYLINDER ASSEMBLY - 2WD - DOUBLE ROD........................................................................................................178
	FIGURE 5-6. STEER CYLINDER ASSEMBLY - 2WD - SINGLE ROD........................................................................................................180
	FIGURE 5-7. STEER CYLINDER ASSEMBLY - 4WD.....................................................................................................................182
	FIGURE 5-8. TELESCOPE CYLINDER ASSEMBLY.......................................................................................................................184
	FIGURE 5-9. CYLINDER BELLOWS INSTALLATIONS....................................................................................................................186
SECTION 6 - HYDRAULIC.............................................................................................................................................189
	FIGURE 6-1. HYDRAULIC DIAGRAM - AXLE LOCKOUT..................................................................................................................190
	FIGURE 6-2. HYDRAULIC DIAGRAM - DRIVE (2WD)...................................................................................................................192
	FIGURE 6-3. HYDRAULIC DIAGRAM - DRIVE (4WD)...................................................................................................................196
	FIGURE 6-4. HYDRAULIC DIAGRAM - DRIVE (ELECTRIC)..............................................................................................................200
	FIGURE 6-5. HYDRAULIC DIAGRAM - ROTATOR (HYDRAULIC PISTON)....................................................................................................202
	FIGURE 6-6. HYDRAULIC DIAGRAM - ROTATOR (WORM GEAR)...........................................................................................................204
	FIGURE 6-7. HYDRAULIC DIAGRAM - STANDARD (FORD - DEUTZ).......................................................................................................206
	FIGURE 6-8. HYDRAULIC DIAGRAM - STANDARD (ELECTRIC)...........................................................................................................210
	FIGURE 6-9. HYDRAULIC DIAGRAM - PROPORTIONAL CONTROLS.........................................................................................................214
	FIGURE 6-10. HYDRAULIC DIAGRAM - STEER........................................................................................................................218
	FIGURE 6-11. HYDRAULIC DIAGRAM - TOW..........................................................................................................................220
	FIGURE 6-12. HYDRAULIC DIAGRAM - LIFT UP RELIEF (FORD AND DEUTZ)..............................................................................................222
	FIGURE 6-13. HYDRAULIC DIAGRAM LIST...........................................................................................................................224
SECTION 7 - ELECTRICAL............................................................................................................................................227
	FIGURE 7-1. ELECTRICAL DIAGRAM LIST...........................................................................................................................228
	FIGURE 7-2. ELECTRICAL DIAGRAM - PLATFORM (ELECTRIC)..........................................................................................................232
	FIGURE 7-3. ELECTRICAL DIAGRAM - PLATFORM (FORD AND DEUTZ)....................................................................................................234
	FIGURE 7-4. ELECTRICAL DIAGRAM - PLATFORM (PROPORTIONAL CONTROLS).............................................................................................236
	FIGURE 7-5. ELECTRICAL DIAGRAM - GROUND CONTROL (ELECTRIC)....................................................................................................238
	FIGURE 7-6. ELECTRICAL DIAGRAM - GROUND CONTROL (FORD)........................................................................................................240
	FIGURE 7-7. ELECTRICAL DIAGRAM - GROUND CONTROL (FORD WITH PROPORTIONAL CONTROLS).............................................................................242
	FIGURE 7-8. ELECTRICAL DIAGRAM - GROUND CONTROL (DEUTZ).......................................................................................................244
	FIGURE 7-9. ELECTRICAL DIAGRAM - GROUND CONTROL (DEUTZ WITH PROPORTIONAL CONTROLS)............................................................................246
SECTION 8 - DECALS................................................................................................................................................249
	FIGURE 8-1. DECALS INSTALLATION - STANDARD....................................................................................................................250
SECTION 9 - RECOMMENDED SERVICE PARTS STOCK.......................................................................................................................255
	FIGURE 9-1. MODEL 34HA STANDARD PARTS.........................................................................................................................256
	FIGURE 9-2. MODEL 34HA VARIABLE PARTS.........................................................................................................................260
SECTION 10 - SPECIAL OPTIONS......................................................................................................................................263
	FIGURE 10-1. SPECIAL OPTIONS..................................................................................................................................264
PART NUMBER INDEX.................................................................................................................................................267

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