JLG 34HA Parts Manual (3120804) – PDF Download

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JLG 34HA Parts Manual (3120804) – PDF Download

TABLE OF CONTENTS:

JLG 34HA Parts Manual (3120804) – 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. TOW PACKAGE INSTALLATION......................................................................................................................... 46
SECTION 2 - TURNTABLE............................................................................................................................................. 49
	FIGURE 2-1. CONTROL VALVES INSTALLATIONS...................................................................................................................... 50
	FIGURE 2-2. CONTROL VALVE ASSEMBLY - 3 & 4 SECTION RACINE BANG - BANG......................................................................................... 54
	FIGURE 2-3. CONTROL VALVE ASSEMBLY - 3 SECTION RACINE BANG - BANG............................................................................................. 58
	FIGURE 2-4. VALVE ASSEMBLY - SINGLE STACK RACINE.............................................................................................................. 60
	FIGURE 2-5. MODULAR CONTROL VALVE ASSEMBLY.................................................................................................................... 62
	FIGURE 2-6. SWING DRIVE AND BEARING INSTALLATION.............................................................................................................. 64
	FIGURE 2-7. SWING BRAKE ASSEMBLY (MACHINES BUILT THROUGH 1992)................................................................................................ 68
	FIGURE 2-8. SWING MOTOR ASSEMBLY (MACHINES BUILT PRIOR TO 1993)............................................................................................... 70
	FIGURE 2-9. SWING MOTOR ASSEMBLY (MACHINES BUILT 1993 TO PRESENT)............................................................................................. 72
	FIGURE 2-10. ROTARY OIL COUPLING INSTALLATION................................................................................................................. 74
	FIGURE 2-11. FORD VSG-411 GAS ENGINE INSTALLATION (PRIOR TO JUNE 1995)........................................................................................ 76
	FIGURE 2-12. FORD VSG-413 GAS ENGINE INSTALLATION (JUNE 1995 TO PRESENT)...................................................................................... 82
	FIGURE 2-13. DUAL FUEL INSTALLATION - FORD.................................................................................................................... 88
	FIGURE 2-14. GENERATOR INSTALLATION - 110V (FORD)............................................................................................................. 90
	FIGURE 2-15. DEUTZ F2L-1011 DIESEL ENGINE INSTALLATION........................................................................................................ 92
	FIGURE 2-16. GENERATOR INSTALLATION - 110V (DEUTZ)............................................................................................................ 98
	FIGURE 2-17. ELECTRIC MOTOR, BATTERIES AND CHARGER INSTALLATIONS..............................................................................................102
	FIGURE 2-18. BATTERY CHARGER ASSEMBLY.........................................................................................................................106
	FIGURE 2-19. CONTACTOR BOX ASSEMBLY...........................................................................................................................108
	FIGURE 2-20. PUMP ASSEMBLY - SUNSTRAND (GAS AND DIESEL MACHINES)..............................................................................................110
	FIGURE 2-21. PUMP ASSEMBLY - SINGLE SECTION (GAS AND DIESEL MACHINES) (PRIOR TO AUGUST 1992)..................................................................114
	FIGURE 2-22. PUMP ASSEMBLY - SINGLE SECTION (GAS AND DIESEL MACHINES) (AUGUST 1992 TO PRESENT)................................................................116
	FIGURE 2-23. PUMP ASSEMBLY - 3 SECTION (ELECTRIC MACHINES)....................................................................................................118
	FIGURE 2-24. TANK INSTALLATION................................................................................................................................120
	FIGURE 2-25. GROUND CONTROL BOX ASSEMBLY......................................................................................................................124
	FIGURE 2-26. HOODS, LIGHTS AND ALARMS INSTALLATION............................................................................................................128
SECTION 3 - BOOM..................................................................................................................................................131
	FIGURE 3-1. TURNTABLE, BOOM AND HORIZONTAL LIMIT SWITCH INSTALLATIONS.........................................................................................132
	FIGURE 3-2. BOOM ASSEMBLIES...................................................................................................................................134
SECTION 4 - PLATFORM..............................................................................................................................................137
	FIGURE 4-1. STANDARD PLATFORM, CONTROLS AND SUPPORT INSTALLATIONS.............................................................................................138
	FIGURE 4-2. LOW MOUNT PLATFORM, CONTROLS AND SUPPORT INSTALLATIONS............................................................................................142
	FIGURE 4-3. ROTATOR MOTOR ASSEMBLY (WORM GEAR DRIVE)..........................................................................................................146
	FIGURE 4-4. ROTATOR MOTOR ASSEMBLY (HYDRAULIC PISTON).........................................................................................................148
	FIGURE 4-5. PLATFORM CONSOLE BOX ASSEMBLY.....................................................................................................................150
	FIGURE 4-6. PLATFORM CONSOLE BOX ASSEMBLY (PROPORTIONAL CONTROLS).............................................................................................154
	FIGURE 4-7. OPTIONAL COMMON PLATFORM MOUNTED COMPONENTS.......................................................................................................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 (BOOM) CYLINDER ASSEMBLY.....................................................................................................................166
	FIGURE 5-4. ARTICULATE CYLINDER ASSEMBLY......................................................................................................................168
	FIGURE 5-5. STEER CYLINDER ASSEMBLY - 2WD - DOUBLE ROD........................................................................................................170
	FIGURE 5-6. STEER CYLINDER ASSEMBLY - 2WD - SINGLE ROD........................................................................................................172
	FIGURE 5-7. STEER CYLINDER ASSEMBLY - 4WD.....................................................................................................................174
	FIGURE 5-8. TELESCOPE CYLINDER ASSEMBLY.......................................................................................................................176
	FIGURE 5-9. CYLINDER BELLOWS INSTALLATIONS....................................................................................................................178
SECTION 6 - HYDRAULIC.............................................................................................................................................181
	FIGURE 6-1. HYDRAULIC DIAGRAM - AXLE LOCKOUT..................................................................................................................182
	FIGURE 6-2. HYDRAULIC DIAGRAM - DRIVE (2WD)...................................................................................................................186
	FIGURE 6-3. HYDRAULIC DIAGRAM - DRIVE (4WD)...................................................................................................................190
	FIGURE 6-4. HYDRAULIC DIAGRAM - DRIVE (ELECTRIC)..............................................................................................................194
	FIGURE 6-5. HYDRAULIC DIAGRAM - ROTATOR (HYDRAULIC PISTON)....................................................................................................196
	FIGURE 6-6. HYDRAULIC DIAGRAM - ROTATOR (WORM GEAR)...........................................................................................................198
	FIGURE 6-7. HYDRAULIC DIAGRAM - STANDARD (FORD - DEUTZ).......................................................................................................200
	FIGURE 6-8. HYDRAULIC DIAGRAM - STANDARD (ELECTRIC)...........................................................................................................204
	FIGURE 6-9. HYDRAULIC DIAGRAM - STEER.........................................................................................................................208
	FIGURE 6-10. HYDRAULIC DIAGRAM - TOW..........................................................................................................................210
	FIGURE 6-11. HYDRAULIC DIAGRAM - LIFT UP RELIEF (FORD AND DEUTZ)..............................................................................................212
	FIGURE 6-12. HYDRAULIC DIAGRAM LIST...........................................................................................................................214
SECTION 7 - ELECTRICAL............................................................................................................................................217
	FIGURE 7-1. ELECTRICAL DIAGRAM LIST...........................................................................................................................218
	FIGURE 7-2. ELECTRICAL DIAGRAM - PLATFORM (FORD AND DEUTZ)....................................................................................................222
	FIGURE 7-3. ELECTRICAL DIAGRAM - PLATFORM (DEUTZ - PROPORTIONAL CONTROLS).....................................................................................224
	FIGURE 7-4. ELECTRICAL DIAGRAM - PLATFORM (ELECTRIC)..........................................................................................................226
	FIGURE 7-5. ELECTRICAL DIAGRAM - GROUND CONTROL (DEUTZ).......................................................................................................228
	FIGURE 7-6. ELECTRICAL DIAGRAM - GROUND CONTROL (DEUTZ - PROPORTIONAL CONTROLS)...............................................................................230
	FIGURE 7-7. ELECTRICAL DIAGRAM - GROUND CONTROL (FORD)........................................................................................................232
	FIGURE 7-8. ELECTRICAL DIAGRAM - GROUND CONTROL (ELECTRIC)....................................................................................................234
SECTION 8 - DECALS................................................................................................................................................237
	FIGURE 8-1. DECALS INSTALLATION - STANDARD (PRIOR TO JULY 1991)...............................................................................................238
	FIGURE 8-2. DECALS INSTALLATION - STANDARD (JULY 1991 TO PRESENT).............................................................................................242
SECTION 9 - RECOMMENDED SERVICE PARTS STOCK.......................................................................................................................247
	FIGURE 9-1. MODEL 34HA STANDARD PARTS.........................................................................................................................248
	FIGURE 9-2. MODEL 34HA VARIABLE PARTS.........................................................................................................................252
SECTION 10 - SPECIAL OPTIONS......................................................................................................................................255
	FIGURE 10-1. SPECIAL OPTIONS..................................................................................................................................256
PART NUMBER INDEX.................................................................................................................................................257

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