Hyundai R140LS Crawler Excavator Service Repair Manual – PDF Download

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Hyundai R140LS Crawler Excavator Service Repair Manual

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Hyundai R140LS Crawler Excavator Service Repair Manual

CONTENTS.....................................  2
FOREWORD.....................................  5
GENERAL...................................... 13
	1. SAFETY HINTS.......................... 14
	2. SPECIFICATIONS........................ 23
STRUCTURE AND FUNCTION....................... 35
	1. PUMP DEVICE........................... 36
	2. MAIN CONTROL VALVE.................... 55
	3. SWING DEVICE.......................... 78
	4. TRAVEL DEVICE......................... 90
	5. RCV Lever.............................128
	6. RCV PEDAL.............................135
HYDRAULIC SYSTEM.............................141
	1. HYDRAULIC CIRCUIT.....................142
	2. MAIN CIRCUIT..........................143
	3. PILOT CIRCUIT.........................146
	4. SINGLE OPERATION......................153
	5. COMBINED OPERATION....................163
ELECTRICAL SYSTEM............................172
	1. COMPONENT LOCATION....................173
	2. ELECTRICAL CIRCUIT....................175
	3. ELECTRICAL COMPONENT SPECIFICATION....193
	4. CONNECTORS............................201
MECHATRONICS SYSTEM..........................223
	1. OUTLINE...............................224
	2. MODE SELECTION SYSTEM.................226
	3. AUTOMATIC DECELERATION SYSTE..........228
	4. POWER BOOST SYSTEM....................229
	5. TRAVEL SPEED CONTROL SYSTEM...........230
	6. AUTOMATIC WARMING UP FUNCTION.........231
	7. ENGINE OVERHEAT PREVENTION SYSTEM ....232
	8. Anti-restart system...................233
	9. SELF-DIAGNOSTIC SYSTEM................234
	10. ENGINE CONTROL SYSTEM................237
	11. EPPR VALVE...........................243
	12.  MONITORING SYSTEM...................246
TROUBLESHOOTING..............................257
	1. BEFORE TROUBLESHOOTING................258
	2. HYDRAULIC AND MECHANICAL SYSTEM.......261
	3. ELECTRICAL SYSTEM ....................281
	4. MECHATRONICS SYSTEM ..................296
MAINTENANCE STANDARD.........................313
	1. OPERATIONAL PERFORMANCE TEST..........314
	2. MAJOR COMPONENT.......................334
	3. TRACK AND WORK EQUIPMENT..............344
DISASSEMBLY AND ASSEMBLY.....................350
	1. PRECAUTIONS...........................351
	2. TIGHTENING TORQUE.....................354
	3. PUMP DEVICE...........................357
	4. MAIN CONTROL VALVE....................379
	5. SWING DEVICE..........................393
	6. TRAVEL DEVICE.........................414
	7. RCV LEVER.............................501
	8. TURNING JOINT.........................516
	9. BOOM, ARM AND BUCKET CYLINDERS........521
	10. UNDERCARRIAGE........................538
	11. WORK EQUIPMENT.......................550
COMPONENT MOUNTING TORQUE....................554
	1. INTRODUCTION GUIDE....................555
	2. ENGINE SYSTEM.........................556
	3. ELECTRIC SYSTEM.......................558
	4. HYDRAULIC SYSTEM......................560
	5. UNDERCARRIAGE.........................563
	6. STRUCTURE.............................564
	7. WORK EQUIPMENT........................568
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HYUNDAI R140LS CRAWLER EXCAVATOR SERVICE REPAIR MANUAL – PDF DOWNLOAD:of the  Manual:

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Hyundai R140LS Crawler Excavator Service Repair Manual

STRUCTURE
This service manual has been prepared as an aid to improve the quality of repairs by giving the serviceman an accurate understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure you understand the contents of this manual and use it to full effect at every opportunity.
This service manual mainly contains the necessary technical information for operations performed in a service workshop.
For ease of understanding, the manual is divided into the following sections.
SECTION 1 GENERAL
This section explains the safety hints and gives the specification of the machine and major components.
SECTION 2 STRUCTURE AND FUNCTION
This section explains the structure and function of each component. It serves not only to give an understanding of the structure, but also serves as reference material for troubleshooting.
SECTION 3 HYDRAULIC SYSTEM
This section explains the hydraulic circuit, single and combined operation.
SECTION 4 ELECTRICAL SYSTEM
This section explains the electrical circuit, monitoring system and each component. It serves not only to give an understanding electrical system, but also serves as reference material for trouble shooting.
SECTION 5 MECHATRONICS SYSTEM
This section explains the computer aided power optimization system and each component.
SECTION 6 TROUBLESHOOTING
This section explains the troubleshooting charts correlating problems to causes.
SECTION 7 MAINTENANCE STANDARD
This section gives the judgement standards when inspecting disassembled parts.
SECTION 8 DISASSEMBLY AND ASSEMBLY
This section explains the order to be followed when removing, installing, disassembling or assembling each component, as well as precautions to be taken for these operations.
The specifications contained in this shop manual are subject to change at any time and without any advance notice. Contact your HYUNDAI distributor for the latest information.

Please Note:

⦁ This is the SAME manual used by the dealers to troubleshoot any faults in your vehicle. This can be yours in 2 minutes after the payment is made.
⦁ Contact us at [email protected] should you have any queries before your purchase or that you need any other service / repair / parts operators manual.