Kobelco 7250-2 Crawler Crane Shop Manual S5JD01002ZE14 – PDF DOWNLOAD

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Kobelco 7250-2 Crawler Crane Shop Manual S5JD01002ZE14 – PDF DOWNLOAD

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Kobelco 7250-2 Crawler Crane Shop Manual S5JD01002ZE14 – PDF DOWNLOAD

Language : English
Pages : 662
Downloadable : Yes
File Type : PDF

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Kobelco 7250-2 Crawler Crane Shop Manual S5JD01002ZE14 – PDF DOWNLOAD

SAFETY:
PRECAUTIONS FOR INSPECTION AND MAINTENANCE:
1. Service and maintenance must be performed only by authorized personnel who are qualified in compliance with
a relevant law or regulation.
2. Regular maintenance or inspection should be quickly performed after shutting down the machine and ensuring
safety to personnel and equipment.
Post an “INSPECTION IN PROGRESS. DO NOT START.” warning sign on a readily visible location.
GENERAL SAFETY PRECAUTIONS:
1. Wear safety shoes, helmets and clothing suitable for the job. Also use protective goggles, mask, gloves, etc.,
as required.
2. To ensure safe and correct maintenance, carefully study this SHOP MANUAL and get fully familiar with the instructions
in it.
3. Place the machine in a safe place. Always maintain safe clearance around the machine.
4. Before starting crane operation, hold a safety meeting. Also, make agreement on standardized hand signals.
5. When inspecting or handling the battery or oil, do not use exposed flame nearby.
To avoid fire accident, only use explosion-proof lighting equipment.
6. Start an inspection or maintenance work only after shutting down the engine.
7. Certain machine components remain hot immediately after the engine is shut down. Do not touch them.
8. Before removing the radiator cap, wait until the coolant water gets sufficiently cool. Next, carefully loosen the
cap and release radiator pressure, and them remove the cap.
9. Before inspecting or maintaining an electrical system on the machine, power off the machine by, for example,
disconnecting the battery cables.
10. When working at a high lift area, always wear a safety belt.
11. When leaving the operator’s cab for an inspection or maintenance work, post an “INSPECTION IN PROGRESS.
DO NOT START.” warning sign on a readily visible location. Also, lock the cab for security.
12. Before starting a cleaning or lubrication work on the machine, always shut down the engine.
13. While adjusting tire pressure, be absolutely careful about rupture of a tire, flying of wheel part.
14. Use genuine KOBELCO replacement parts and oils only.
15. Always keep the oil containers clean. Protect them against ingress of dust or moisture. Also, fill clean, fresh
oils only.
16. Once a maintenance work is complete, clean the machine.
Protect grease nipples, breathers, and oil level gages against ingress of dust.
17. Always keep the subjects of regular inspection clean to allow problems such as oil leakage, crack, looseness,
etc., to be readily detected.
18. During car washing, do not allow high pressure steam to be directly applied to electrical components and connectors.
19. After removing O-rings, oil seals, gaskets, etc., clean the mounting seats. Then, install fresh O-rings, oil seals,
gaskets, etc. Also, remember to thinly apply oil to the seal faces of these parts before installation.
20. Before disconnecting pressurized piping, release the inside pressure.

TABLE OF CONTENTS:

Kobelco 7250-2 Crawler Crane Shop Manual S5JD01002ZE14 – PDF DOWNLOAD

TABLE OF CONTENTS.....................................................................................................................................  3
1. REFERENCE MATERIALS................................................................................................................................ 23
	1.1 SPECIFICATION................................................................................................................................. 24
		1.1.1 PERFORMANCE............................................................................................................................. 24
		1.1.2 PERFORMANCE OF TOWER CRANE.............................................................................................................. 24
		1.1.3 OUTSIDE DIMENSIONS...................................................................................................................... 25
	1.2 DIMENSIONS AND WEIGHT OF EACH PARTS........................................................................................................... 28
		1.2.1 BASE MACHINE............................................................................................................................ 28
		1.2.2 COUNTERWEIGHT........................................................................................................................... 29
		1.2.3 ATTACHMENT.............................................................................................................................. 31
	1.3 STABILITY IN SWINGING AND TRAVELING........................................................................................................... 38
2. MAINTENANCE STANDARDSTEST PROCEDURES............................................................................................................... 41
	2.1 MAINTENANCE STANDARD.......................................................................................................................... 43
		2.1.1 PIN, BUSHING, SPRING, LINING AND SHEAVE................................................................................................. 43
		2.1.2 PROPEL DEVICE........................................................................................................................... 50
	2.2 PERFORMANCE STANDARD AND TEST PROCEDURE....................................................................................................... 56
		2.2.1 OPERATING SPEED......................................................................................................................... 56
		2.2.2 POINT AND METHOD OF MEASURING PRESSURE.................................................................................................. 57
		2.2.3 SLEWING RING............................................................................................................................ 62
3. GENERAL WORK STANDARD.............................................................................................................................. 63
	3.1 TIGHTENING TORQUE OF CAPSCREWS AND NUTS....................................................................................................... 65
		3.1.1 METRIC COARSE THREADS................................................................................................................... 65
		3.1.2 METRIC FINE THREADS..................................................................................................................... 65
		3.1.3 COARSE THREADS UNC...................................................................................................................... 66
		3.1.4 FINE THREADS UNF........................................................................................................................ 66
		3.1.5 TIGHTENING TORQUE OF HYDRAULIC FITTINGS................................................................................................. 67
	3.2 STANDARD PARTS................................................................................................................................ 69
		3.2.1 BOLT.................................................................................................................................... 69
		3.2.2 O-RING.................................................................................................................................. 70
		3.2.3 BACK-UP RING............................................................................................................................ 71
		3.2.4 BITE FITTING............................................................................................................................ 72
	3.3 CONVERSION TABLE.............................................................................................................................. 74
		3.3.1 UNIT CONVERSION......................................................................................................................... 74
		3.3.2 MILLIMETER : INCH CONVERSION TABLE...................................................................................................... 75
		3.3.3 METER-FOOT CONVERSION TABLE............................................................................................................. 77
		3.3.4 GRADIENT CONVERSION TABLE............................................................................................................... 78
	3.4 TABLE OF UNIT WEIGHT.......................................................................................................................... 79
4. POWER TRAIN........................................................................................................................................ 81
	4.1 INTRODUCTION.................................................................................................................................. 83
	4.2 ENGINE........................................................................................................................................ 85
		4.2.1 INTRODUCTION............................................................................................................................ 85
		4.2.2 REMOVAL................................................................................................................................. 85
		4.2.3 REPAIR AND MAINTENANCE.................................................................................................................. 86
		4.2.4 RE-INSTALLATION......................................................................................................................... 87
	4.3 PUMP DRIVE ASSEMBLY........................................................................................................................... 90
		4.3.1 INTRODUCTION............................................................................................................................ 90
		4.3.2 REMOVAL................................................................................................................................. 90
		4.3.3 DISASSEMBLING THE POWER DIVIDER......................................................................................................... 92
		4.3.4 CHECK AND REPAIR OF THE POWER DIVIDER................................................................................................... 93
		4.3.5 ASSEMBLING THE POWER DIVIDER............................................................................................................ 94
		4.3.6 RE-INSTALLATION......................................................................................................................... 95
5. HYDRAULIC SYSTEM...................................................................................................................................101
	5.1 LOCATION OF MAIN HYDRAULIC COMPONENTS.........................................................................................................103
	5.2 HYDRAULIC CIRCUITS AND COMPONENTS.............................................................................................................104
		5.2.1 HYDRAULIC CIRCUIT.......................................................................................................................104
		5.2.2 COMPONENT SPECIFICATIONS................................................................................................................108
		5.2.3 LOCATION OF HYDRAULIC COMPONENTS........................................................................................................112
	5.3 HYDRAULIC SYSTEM..............................................................................................................................122
		5.3.1 PREFACE.................................................................................................................................122
		5.3.2 OUTLINE.................................................................................................................................122
		5.3.3 OIL FLOW FROM No.1 and No. 2 PUMPS......................................................................................................124
		5.3.4 OIL FLOW FROM No.3 AND No.4 PUMPS.......................................................................................................126
		5.3.5 OIL FLOW FROM No.5 PUMP (Control Pump)..................................................................................................128
		5.3.6 OIL FLOW FROM No.6 PUMP (For Auxiliary Actuator Circuit)................................................................................132
	5.4 VALVES........................................................................................................................................135
6. HOIST SYSTEM.......................................................................................................................................143
	6.1 APPARATUS AND LOCATION OF COMPONENTS..........................................................................................................145
	6.2 CONSTRUCTION AND FUNCTION.....................................................................................................................146
		6.2.1 HYDRAULIC SCHEMATIC.....................................................................................................................146
		6.2.2 LIFTING A LOAD..........................................................................................................................148
		6.2.3 HOLDING A RAISED LOAD...................................................................................................................150
		6.2.4 LOWERING A LOAD (POWERED LOWERING)......................................................................................................152
		6.2.5 FREE FALL OPERATION.....................................................................................................................155
		6.2.6 FREE FALL ACCELERATION..................................................................................................................158
	6.3 DRUM LOCK.....................................................................................................................................160
		6.3.1 ASEEMBLY DRAWING........................................................................................................................160
		6.3.2 ADJUSTMENT OF DRUM LOCK.................................................................................................................161
	6.4 WINCH ASSEMBLY................................................................................................................................162
		6.4.1 WINCH INSTAL............................................................................................................................162
		6.4.2 WINCH ASSEMBLY / REDUCTION UNIT WITHOUT FREE FALL (STD.)................................................................................163
		6.4.3 WINCH ASSEMBLY WITH FREE FALL (OPT.)....................................................................................................165
	6.5 BRAKE PEDAL...................................................................................................................................166
		6.5.1 ASSEMBLY DRAWING........................................................................................................................166
		6.5.2 ADJUSTING THE BRAKE PEDAL...............................................................................................................168
	6.6 BLEEDING AIR FROM BRAKE CIRCUIT...............................................................................................................169
7. BOOM HOIST SYSTEM..................................................................................................................................171
	7.1 APPARATUS AND LOCATION OF COMPONENTS..........................................................................................................173
	7.2 CONSTRUCTION AND FUNCTION.....................................................................................................................175
		7.2.1 HYDRAULIC SCHEMATIC.....................................................................................................................175
		7.2.2 RAISING THE BOOM........................................................................................................................176
		7.2.3 NEUTRAL(MAINTAINING THE BOOM POSITION)..................................................................................................178
		7.2.4 LOWERING THE BOOM.......................................................................................................................180
	7.3 BOOM DRUM LOCK................................................................................................................................182
		7.3.1 ASSEMBLY DRAWING........................................................................................................................182
		7.3.2 ADJUSTING THE BOOM DRUM LOCK............................................................................................................183
	7.4 DRUM AND REDUCTION UNIT.......................................................................................................................184
		7.4.1 BOOM WINCH ASSEMBLY.....................................................................................................................184
		7.4.2 BOOM DRUM AND REDUCTION UNIT ASSEMBLY...................................................................................................186
8. SWING SYSTEM.......................................................................................................................................187
	8.1 APPARATUS AND LOCATION OF COMPONENTS..........................................................................................................189
	8.2 CONSTRUCTION AND FUNCTION.....................................................................................................................191
		8.2.1 HYDRAULIC SCHEMATIC.....................................................................................................................191
		8.2.2 SWING...................................................................................................................................192
		8.2.3 STOPPING................................................................................................................................196
	8.3 SWING REDUCTION UNIT..........................................................................................................................200
	8.4 SWING BEARING.................................................................................................................................202
	8.5 SWING LOCK....................................................................................................................................204
9. PROPEL SYSTEM......................................................................................................................................205
	9.1 LOCATION OF THE MAJOR COMPONENTS..............................................................................................................207
	9.2 CONSTRUCTION AND FUNCTION.....................................................................................................................208
		9.2.1 HYDRAULIC SCHEMATIC.....................................................................................................................208
		9.2.2 PROPELLING (RIGHT SIDE FORWARD).........................................................................................................210
		9.2.3 STOPPING................................................................................................................................212
	9.3 PROPEL REDUCTION UNIT.........................................................................................................................214
		9.3.1 REDUCTION UNIT..........................................................................................................................216
		9.3.2 MOTOR...................................................................................................................................218
	9.4 ADJUSTMENT....................................................................................................................................220
10. ELECTRIC SYSTEM...................................................................................................................................221
	10.1 ELECTRICAL WIRING SCHEMATIC..................................................................................................................223
	Annotation........................................................................................................................................231
	10.2 CONNECTOR LIST...............................................................................................................................253
	10.3 ARRANGEMENT OF ELECTRICAL PART...............................................................................................................356
		10.3.1 ELECTRICAL PART OF CAB.................................................................................................................356
		10.3.2 ELECTRICAL PART OF RIGHT DECK..........................................................................................................360
		10.3.3 ELECTRICAL PART OF FLOOR PLATE & LEFT SIDE STAND PANEL.................................................................................364
		10.3.4 ELECTRICAL PART OF REVOLVING FRAME.....................................................................................................  0
		10.3.5 ELECTRICAL PART OF LEFT DECK...........................................................................................................373
		10.3.6 ELECTRICAL PART OF LEFT GUARD..........................................................................................................379
		10.3.7 HARNESS PART NUMBER LIST (ALL MODELS)..................................................................................................380
	10.4 ELECTRICAL PART..............................................................................................................................384
		10.4.1 LOCATION AND USE OF FUSE...............................................................................................................384
		10.4.2 FUSE BOX (GG73E00004F1)................................................................................................................387
		10.4.3 WIPER CONTROL RELAY(2480U1366).........................................................................................................389
		10.4.4 SWING FLASHER UNIT (2480U306)..........................................................................................................390
		10.4.5 PRESSURE SWITCH(CONTROL PRESSURE CUT & FREE FALL) (GG50S00006P1).......................................................................391
		10.4.6 PRESSURE SENSOR........................................................................................................................393
		10.4.7 RELAY BOX (GG24E00024F1)...............................................................................................................395
		10.4.8 LEFT SIDE STAND PANEL (WITH FREE FALL).................................................................................................405
		10.4.9 BYPASS SWITCH PANEL....................................................................................................................406
	10.5 TROUBLESHOOTING OF EXHAUST GAS THIRD REGULATION ENGINE.......................................................................................408
		10.5.1 FAILURE DIAGNOSIS FUNCTION.............................................................................................................408
		10.5.2 HOW TO CHECK THE FAILURE CONTENTS......................................................................................................409
		10.5.3 CHECKING OF DIAGNOSIS LAMP FUNCTION....................................................................................................414
		10.5.4 ENGINE ECU.............................................................................................................................415
11. LOAD SAFETY DEVICE................................................................................................................................419
	11.1 PART NAMES AND FUNCTIONS.....................................................................................................................421
		11.1.1 FRONT VIEW.............................................................................................................................421
		11.1.2 CONFIGURATION OF SCREENS...............................................................................................................426
		11.1.3 DATA TRANSMISSION BETWEEN CONTROLLER AND CARDS.........................................................................................428
		11.1.4 DETAILS OF INDICATORS ON MAIN DISPLAY SCREEN...........................................................................................430
		11.1.5 REAR VIEW..............................................................................................................................432
		11.1.6 ITEMS REQUIRED TO BE EXECUTED FOR REPLACEMENT OF CONTROLLER OR DATA CARDAND INSTRUCTIONS(In a similar manner to upgrade of program)....437
	11.2 PREPARATION FOR USE..........................................................................................................................438
	11.3 TURN THE POWER ON............................................................................................................................439
	11.4 UPGRADING PROGRAMS...........................................................................................................................440
		11.4.1 PROCEDURES.............................................................................................................................440
		11.4.2 UPGRADING OF INDICATION PROGRAMS.......................................................................................................442
		11.4.3 UPGRADING OF CONTROL PROGRAMS..........................................................................................................445
	11.5 STATUS CHECK.................................................................................................................................447
		11.5.1 SIGNAL CHECK...........................................................................................................................448
		11.5.2 OPERATION PROGRESS.....................................................................................................................450
		11.5.3 COMMUNICATION DATA.....................................................................................................................453
		11.5.4 INDICATION OF ADJUSTMENT VALUE.........................................................................................................456
			11.5.4.1 ANGLE SENSOR ADJUSTMENT VALUE....................................................................................................457
			11.5.4.2 LOAD CELL ZERO POINT ADJUSTMENT VALUE............................................................................................458
			11.5.4.3 ADJUSTMENT VALUE OF LOAD CELL FOR LINE-PULL......................................................................................459
			11.5.4.4 RESULT OF MANUFACTURE ADJUSTMENTS "NO LOAD" AND "SOME LOAD"......................................................................460
			11.5.4.5 RESULT OF LOAD ADJUSTMENTS "NO LOAD" AND "SOME LOAD".............................................................................461
			11.5.4.6 ADJUSTMENT VALUE OF WORKING RADIUS...............................................................................................462
			11.5.4.7 ALTERATION OF ADJUSTED VALUE.....................................................................................................463
			11.5.4.8 DELETION OF ADJUSTED VALUE.......................................................................................................464
		11.5.5 LOAD HISTORY(In case of machine serial No. JD04-02534 to after)........................................................................465
		11.5.6 TROUBLE RECORD.........................................................................................................................469
		11.5.7 LOAD RECORD (LOAD RECORD IN THE MAIN MENU).............................................................................................471
	11.6 ADJUSTMENTS..................................................................................................................................472
		11.6.1 REMOVING THE INNER PANEL...............................................................................................................472
		11.6.2 ADJUSTMENT.............................................................................................................................473
			11.6.2.1 ANGLE SENSOR ADJUSTMENT..........................................................................................................476
			11.6.2.2 LOAD CELL ZERO POINT ADJUSTMENT..................................................................................................480
			11.6.2.3 LOAD-LESS ADJUSTMENT & SOME LOAD ADJUSTMENT......................................................................................482
			11.6.2.4 LVL ADJUSTMENT (LVL SETTING).....................................................................................................488
			11.6.2.5 RADIUS ADJUSTMENT................................................................................................................491
		11.6.3 LOAD ADJUSTMENT........................................................................................................................493
		11.6.4 ADJUSTMENT DATA COPY (INITIALIZATION)..................................................................................................496
			11.6.4.1 READING OF THE ADJUSTMENT DATA...................................................................................................498
			11.6.4.2 WRITING OF ADJUSTMENT DATA.......................................................................................................500
			11.6.4.3 INITIALIZATION OF ADJUSTMENT DATA................................................................................................501
		11.6.5 VERSION CHECK..........................................................................................................................502
	11.7 ERROR CODE (ABNORMALITY DETECTION) AND COUNTERMEASURES.......................................................................................503
	11.8 CONTROL OUTPUT...............................................................................................................................507
	11.9 RELEASES.....................................................................................................................................518
		11.9.1 RELEASE FUNCTION.......................................................................................................................518
			11.9.1.1 CRANE RELEASE CHART..............................................................................................................518
			11.9.1.2 OVERLOAD EXTERNAL INDICATORS.....................................................................................................520
			11.9.1.3 TOWER CRANE RELEASE CHART........................................................................................................521
			11.9.1.4 TOWER TYPE RELEASE TABLE (COMBINED STATUSES).....................................................................................524
	11.10 MECHANICAL SPECIFICATION....................................................................................................................526
		11.10.1 ENVIRONMENTAL PERFORMANCE PARAMETERS..................................................................................................526
		11.10.2 LOAD CELL (CRANE).....................................................................................................................527
		11.10.3 ANGLE SENSOR..........................................................................................................................528
		11.10.4 CONTROLLER............................................................................................................................529
			11.10.4.1 MODEL NAME......................................................................................................................529
			11.10.4.2 SYSTEM INPUT/OUTPUT.............................................................................................................529
			11.10.4.3 MONITOR DISPLAY.................................................................................................................531
			11.10.4.4 OPERATION SWITCH................................................................................................................531
			11.10.4.5 INTERNAL PROCESSING SYSTEM......................................................................................................531
			11.10.4.6 MEMORY..........................................................................................................................531
			11.10.4.7 EXTERNAL STORAGE ELEMENT........................................................................................................532
			11.10.4.8 OTHERS..........................................................................................................................532
			11.10.4.9 MODEL NAME......................................................................................................................533
			11.10.4.10 SYSTEM INPUT/OUTPUT............................................................................................................533
			11.10.4.11 MONITOR DISPLAY................................................................................................................535
			11.10.4.12 OPERATION SWITCH...............................................................................................................535
			11.10.4.13 INTERNAL PROCESSING SYSTEM.....................................................................................................535
			11.10.4.14 MEMORY.........................................................................................................................535
			11.10.4.15 EXTERNAL STORAGE ELEMENT.......................................................................................................536
			11.10.4.16 OTHERS.........................................................................................................................536
	11.11 EXTERNAL DIMENSIONS.........................................................................................................................537
	11.12 ELECTRIC SCHEMATIC DIAGRAM..................................................................................................................538
		11.12.1 CRANE TYPE............................................................................................................................538
		11.12.2 TOWER TYPE............................................................................................................................539
	11.13 CONTROLLER MALFUNCTION EMERGENCY MEASURES...................................................................................................540
	11.14 CONTROLLER MALFUNCTION EMERGENCY MEASURES(In case of machine serial No. JD04-02534 to after)................................................541
	11.15 LOAD SAFETY DEVICE CHECK PROCEDURES.........................................................................................................543
12. GAUGE CLUSTER.....................................................................................................................................545
	12.1 CONFIGURATION OF DISPLAY.....................................................................................................................547
	12.2 PRIORITY.....................................................................................................................................548
	12.3 Realtime STATUS DISPLAY......................................................................................................................550
	12.4 FAULT LOG DISPLAY............................................................................................................................560
13. TOTAL CONTROLLER..................................................................................................................................565
	13.1 ARRANGEMENT OF TOTAL CONTROLLER..............................................................................................................567
	13.2 COMPOSITION OF SYSTEM........................................................................................................................568
		13.2.1 OUTPUT RELATION TO CONTROLLER..........................................................................................................569
	13.3 FUNCTION OF TOTAL CONTROLLER.................................................................................................................570
		Accelerator Control...........................................................................................................................571
		Power Control.................................................................................................................................572
		DRUM Speed Control............................................................................................................................573
		Swing Reaction................................................................................................................................575
		BOOM Deceleration & Stop Control..............................................................................................................576
		JIB Raised & Lower Control....................................................................................................................578
		Fr & Re DRUM Stop Control.....................................................................................................................580
		Prevention JIB Over-extension.................................................................................................................581
		Lifting Height Display........................................................................................................................582
		FREE-FALL Control.............................................................................................................................583
		FREE FALL Acceleration........................................................................................................................586
		BOOST Prevent Drop Control....................................................................................................................588
		MOTOR Control.................................................................................................................................589
		Main Pump+BOOM pump Control...................................................................................................................592
		DRUM Turn Detection Grip Control..............................................................................................................594
		Tag-Line Control..............................................................................................................................595
		LEVER Interlock Control.......................................................................................................................596
		Swing Speed Select (Swing Pump) Control.......................................................................................................598
		Hyd.Oil Heat..................................................................................................................................599
	13.4 TOTAL CONTROLLER (HARDWARE)..................................................................................................................600
		13.4.1 OUTLINE................................................................................................................................600
		13.4.2 SPECIFICATIONS OF TOTAL CONTROLLER OUTPUT..............................................................................................601
		13.4.3 DETAILS OF TOTAL CONTROLLER CONNECTOR..................................................................................................605
		13.4.4 ARRANGEMENT OF TOTAL CONTROLLER CONNECTOR PIN..........................................................................................606
		13.4.5 PROPORTIONAL SOLENOID VALVE MEASURING POSITION (VOLTAGE)...............................................................................613
	13.5 ADJUSTMENT OF TOTAL CONTROLLER...............................................................................................................615
		13.5.1 NECESSITY OF ADJUSTMENT................................................................................................................615
		13.5.2 ADJUSTMENT PROCEDURES OF TOTAL CONTROLLER..............................................................................................616
			13.5.2.1 OPTION SETTING...................................................................................................................616
			13.5.2.2 ADJUSTMENT OF HAND THROTTLE AND FOOT THROTTLE....................................................................................618
			13.5.2.3 ENGINE SPEED ADJUSTMENT..........................................................................................................619
			13.5.2.4 WHEN ADJUSTMENT OF TOTAL CONTROLLER IS IMPOSSIBLE................................................................................620
			13.5.2.5 INITIAL ADJUSTMENT OF LIFTING HEIGHT GAUGE.......................................................................................621
	13.6 CONTROLLER MALFUNCTION EMERGENCY MEASURES....................................................................................................623
	13.7 CONTROLLER MALFUNCTION EMERGENCY MEASURES(In case of machine serial No. JD04-02534 to after).................................................624
14. AIR CONDITIONER...................................................................................................................................625
	14.1 OPERATION ITEMS..............................................................................................................................627
	14.2 SAFETY MONITOR FUNCTIONS.....................................................................................................................628
	14.3 DISASSEMBLY AND ASSEMBLY PROCEDURE...........................................................................................................631
		14.3.1 SPECIAL CONSIDERATIONS DURING REPLACEMENT..............................................................................................631
		14.3.2 INTERIOR UNIT..........................................................................................................................633
	14.4 OPERATIONAL PRECAUTIONS......................................................................................................................642
	14.5 INSPECTION AND MAINTENANCE...................................................................................................................643
		14.5.1 INSPECTION/MAINTENANCE LIST............................................................................................................643
		14.5.2 INSPECTION/MAINTENANCE PROCEDURES......................................................................................................643
	14.6 ELECTRIC SYSTEM SCHEMATIC....................................................................................................................647
15. TRANSLIFTER SYSTEM................................................................................................................................649
	15.1 LOCATION OF MAIN COMPONENTS..................................................................................................................651
	15.2 CONSTRUCTION AND WORKING PRINCIPLE...........................................................................................................654
		15.2.1 OUTLINE................................................................................................................................654
	15.3 WORKING PRINCIPLE............................................................................................................................656
		15.3.1 RAISING THE TRANSLIFTER................................................................................................................656
		15.3.2 LOWERING THE TRANSLIFTER...............................................................................................................658
	15.4 REMOTE CONTROL SWITCH........................................................................................................................660

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