Yanmar C50R-3(R) Crawler Carrier Service Manual

Description

Yanmar C50R 3R Crawler Carrier Service Manual – PDF DOWNLOAD

YANMAR C50R-3(R) CRAWLER CARRIER SERVICE MANUAL:

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DESCRIPTION:

Yanmar C50R 3R Crawler Carrier Service Manual – PDF DOWNLOAD

• This service manual is intended for service engineers who maintain the YANMAR construction machinery, and describes the specifications, maintenance procedures of individual machine sections, and operational precautions.
• Read this manual carefully and become familiar with your YANMAR machinery so that you will be able to quickly and accurately maintain and keep it in perfect working order throughout its life.
• The dimensions and other values referred to in this manual are for your reference in servicing, and should not be considered as the values stipulated in the Inspection Standard.
• This manual represents the most up-to-date information at the time of publication and is subject to change without notice to reflect specification changes for performance improvement or technological advancement, and/or correction of typographical errors.
• If you find any discrepancies between your machine and the information in this manual, obtain the most up-to-date information from our Customer Service Group.
• You will be informed of major improvements and specification changes by delivery of the revised version of this manual.

TABLE OF CONTENTS:

Yanmar C50R 3R Crawler Carrier Service Manual – PDF DOWNLOAD

COVER..........................................................................................  1
FOREWORD.......................................................................................  3
CONTENTS.......................................................................................  5
CHAPTER 1 GENERAL CAUTIONS FOR MAINTENANCE WORK................................................  9
	1. General Cautions for Maintenance Work .................................................. 11
		1-1. Correct Work...................................................................... 11
		1-2. Safety Precautions................................................................ 11
		1-3. Preparations...................................................................... 17
		1-4. Cautions for Disassembly and Reassembly........................................... 17
		1-5. Cautions for Removal and Installation of Hydraulic Equipment...................... 18
		1-6. Cautions for Removal and Installation of Hydraulic Piping......................... 18
		1-7. Cautions for Handling Seals....................................................... 19
		1-8. Correct Installation of Hydraulic Hose............................................ 20
		1-9. Types of Hydraulic Hoses.......................................................... 21
		1-10. How to Release Air from Hydraulic Units.......................................... 25
			1-10-1. Releasing Air from the HST System.......................................... 25
			1-10-2. Releasing Air from Hydraulic Cylinder...................................... 25
CHAPTER 2 TECHNICAL DATA....................................................................... 27
	2. Technical Data.......................................................................... 29
		2-1. Specifications.................................................................... 29
		2-2. Outside Drawing................................................................... 35
		2-3. Hydraulic Circuit Diagram......................................................... 37
		2-4. Electrical Circuit Diagram........................................................ 39
		2-5. Main Parts Mass Chart............................................................. 41
CHAPTER 3 SERVICING STANDARDS.................................................................. 43
	3. Servicing Standards..................................................................... 45
		3-1. Machine Performance............................................................... 45
			3-1-1. Reference Value Table....................................................... 45
			3-1-2. Expendables................................................................. 45
			3-1-3. Methods for Inspecting Performance.......................................... 46
		3-2. Engine Servicing Standards........................................................ 49
		3-3. Servicing Standards for Parts of Undercarriage.................................... 51
		3-4. Control Equipment................................................................. 53
		3-5. Hydraulic Equipment............................................................... 53
			3-5-1. Hydraulic Cylinder.......................................................... 53
		3-6. Working Equipment................................................................. 55
		3-7. Tightening Torque Table........................................................... 57
			3-7-1. Tightening Torque for Bolts and Nuts for Vehicle............................ 57
			3-7-2. Tightening Torque for Bolts and Nuts for Engine............................. 59
CHAPTER 4 ENGINE SERVICING PROCEDURE........................................................... 61
	4. Engine Servicing Procedure.............................................................. 61
		4-1. Inspection and Adjustment......................................................... 64
			4-1-1. Oil Inspection.............................................................. 64
			4-1-2. Cooling Water Inspection.................................................... 64
			4-1-3. Inspecting Water Leak from Cooling Water System and Rediator................ 64
			4-1-4. Fan Belt Tension Inspection and Adjustment.................................. 65
			4-1-5. Adjusting the Valve Clearance............................................... 66
			4-1-6. Inspecting the Fuel Injection Valve Injection Pressure and Spray Pattern.... 67
			4-1-7. Fuel Injection Timing Inspection and Adjustment............................. 71
			4-1-8. Adjusting the No-load Maximum (or Minimum) Revolutions...................... 72
			4-1-9. Sensor Inspection........................................................... 73
		4-2. Engine Body....................................................................... 74
			4-2-1. Introduction................................................................ 74
			4-2-2. Cylinder Head............................................................... 75
			4-2-3. Gear Train and Camshaft..................................................... 84
			4-2-4. Cylinder Block.............................................................. 90
		4-3. Lubrication System................................................................104
			4-3-1. Lubrication System Diagram..................................................104
			4-3-2. Trochoid Pump Components....................................................104
			4-3-3. Disassembly (Reverse the procedure below for assembly)......................105
			4-3-4. Servicing Points............................................................105
			4-3-5. Parts Inspection and Measurement............................................105
		4-4. Cooling System....................................................................106
			4-4-1. Cooling Water System........................................................106
			4-4-2. Cooling Water Pump Components...............................................106
			4-4-3. Disassembly (Reverse the procedure below for assembly)......................107
			4-4-4. Servicing Points............................................................107
		4-5. Fuel Injection System/Governor....................................................108
			4-5-1. Introduction................................................................108
			4-5-2. Fuel Injection Pump.........................................................108
			4-5-3. Fuel Injection Valve........................................................114
			4-5-4. Fuel Feed Pump..............................................................114
			4-5-5. Governor....................................................................115
			4-5-6. Special Service Tools for Disassembly/Assembly..............................116
		4-6. Starting Motor....................................................................118
			4-6-1. Specifications..............................................................118
		4-7. Alternator........................................................................120
			4-7-1. Specifications..............................................................120
		4-8. Special Service Tools.............................................................122
			4-8-1. Special Tools...............................................................122
			4-8-2. Measuring Instruments.......................................................124
CHAPTER 5 STRUCTURE AND OPERATING PRINCIPLES...................................................127
	5. Structure and Operating Principles......................................................129
		5-1. Components and Names..............................................................129
		5-2. Power Transmission Mechanism......................................................129
		5-3. Electrical Equipment of the Machine...............................................131
		5-3-1. Parts Layout of Electrical Equipment............................................131
		5-4. Descriptions of Engine Start/Stop Circuit.........................................137
		5-5. Descriptions of Charging Circuit and Power Generating Circuit.....................137
		5-6. Parts Layout of the Hydraulic Equipment...........................................139
CHAPTER 6 HYDRAULIC SYSTEM.....................................................................141
	6. Hydraulic System........................................................................143
		6-1. Outline...........................................................................143
		6-3. Hydraulic Units...................................................................147
			6-3-1. Hydraulic Pump..............................................................147
			6-3-2. Gear Pump...................................................................177
			6-3-3. Travel Motor................................................................183
			6-3-4. Swing Motor.................................................................209
			6-3-5. Control Valve...............................................................231
			6-3-6. Remote Control Valve........................................................245
			6-3-7. Swivel Selector.............................................................259
			6-3-8. Swivel Joint................................................................263
			6-3-9. Dump Cylinder (Standard Type)...............................................269
			6-3-10. Dump Cylinder (Swing Wagon Type)...........................................271
		6-4. Pressure Adjustments..............................................................275
		6-5. Precautions in Case of Hydraulic Source Failures..................................279
CHAPTER 7 SERVICE PROCEDURES FOR INDIVIDUAL COMPONENTS.........................................281
	7. Service Procedures for Individual Components............................................283
		7-1. Engine Related Components.........................................................283
			7-1-1. Radiator and Fan Belt.......................................................283
			7-1-2. Engine Controller...........................................................284
			7-1-3. Fuel Tank...................................................................285
		7-2. Electrical Equipments.............................................................287
			7-2-1. Electrical Instruments and Names............................................287
			7-2-2. Monitoring and Alarm System.................................................288
		7-3. Undercarriage.....................................................................293
			7-3-1. Removing and Installing the Crawler.........................................293
			7-3-2. Disassembly and Assembly the Travel Motor...................................295
			7-3-3. Disassembly and Assembly the Idler..........................................297
			7-3-4. Disassembly and Assembly the Carrier Roller.................................300
			7-3-5. Disassembly and Assembly the Track Roller...................................302
			7-3-6. Installing the Floating Seal................................................310
			7-3-7. Disassembly and Assembly the Shoe Tension Cylinder..........................311
		7-4. Control System....................................................................313
			7-4-1. Travel Lever and Lock Lever.................................................313
			7-4-2. Dump Lever..................................................................315
			7-4-3. Engine Controller...........................................................317
		7-5. Hydraulic System..................................................................319
			7-5-1. HST Pumping Section.........................................................319
			7-5-2. Control Valves..............................................................322
			7-5-3. Disassembly and Assembly the Dump Cylinder..................................323
			7-5-4. Hydraulic Oil Tank..........................................................324
		7-6. Riggings..........................................................................327
			7-6-1. Wagon.......................................................................327
			7-6-2. Cabin.......................................................................330
			7-6-3. Canopy......................................................................335
		7-7. Swing Wagon.......................................................................337
			7-7-1. Disassembly and Assembly the Swing Motor....................................337
			7-7-2. Hydraulic System............................................................339
			7-7-3. Riggings....................................................................342
CHAPTER 8 PERIODIC INSPECTION AND SERVICING....................................................343
	8. Periodic Inspection and Servicing.......................................................345
		8-1. List of Periodic Inspection and Servicing.........................................345
CHAPTER 9 FUEL, LUBE OIL AND GREASE RECOMMENDED................................................347
	9. Fuel, Lube Oil and Grease Recommended...................................................349
		9-1. Fuel, Lube Oil and Grease Recommended.............................................349
CHAPTER 10 TROUBLESHOOTING.....................................................................351
	10. Troubleshooting........................................................................353
		10-1. Phenomenon That is not a Machine Failure.........................................353
		10-2. Troubleshooting..................................................................355
		10-3. HST Troubleshooting..............................................................363
CHAPTER 11 OPTION..............................................................................367
	11. Option.................................................................................369
		11-1. Cooler...........................................................................369
			11-1-1. Cooler Assembly............................................................369
			11-1-2. Compressor Assembly........................................................370
			11-1-3. Condenser Assembly.........................................................371
			11-1-4. Cooler Unit Assembly.......................................................372
COLOPHON.......................................................................................373
SPINE TITLE....................................................................................374

PLEASE NOTE:

• This is not a physical manual but a digital manual – meaning no physical copy will be couriered to you. The manual can be yours in the next 2 mins as once you make the payment, you will be directed to the download page IMMEDIATELY.
• This is the same manual used by the dealers inorder to diagnose your vehicle of its faults.
• Require some other service manual or have any queries: please WRITE to us at [email protected]

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