Daewoo Track Excavator Solar 75-V Shop Manual 023-00066AE – PDF

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Daewoo Track Excavator Solar 75-V Shop Manual 023-00066AE – PDF DOWNLOAD

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Daewoo Track Excavator Solar 75-V Shop Manual 023-00066AE – PDF DOWNLOAD

Language : English
Pages : 426
Downloadable : Yes
File Type : PDF

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TABLE OF CONTENTS:

Daewoo Track Excavator Solar 75-V Shop Manual 023-00066AE – PDF DOWNLOAD

Publication Request for Proposed Revision.........................................  0
Safety............................................................................  5
	Track Excavator Safety S0102035K..............................................  7
		To the Operator of a Daewoo Excavator..................................... 11
			Learn the Signal Words Used with the Safety Alert Symbol.............. 13
		General Safety Essentials................................................. 14
			Accessory Applications................................................ 14
			Lifting Capacity Rating Configuration................................. 14
		Location of Safety Labels................................................. 14
		Summary of Safety Precautions for Lifting in Digging Mode................. 15
		Unauthorized Modifications................................................ 16
		General Hazard Information................................................ 16
			Safety Rules.......................................................... 16
			Safety Features....................................................... 16
			Inside Operator's Compartment......................................... 17
			Clothing and Personal Protective Items................................ 17
			Breathing Masks, Ear Protection May Be Required....................... 18
			Vibration Level Information........................................... 18
			Mounting and Dismounting.............................................. 19
			Fuel, Oil and Hydraulic Fluid Fire Hazards............................ 20
			Precautions When Handling Fluids at High Temperature.................. 20
			Asbestos Dust Hazard Prevention....................................... 21
			Injury from Work Equipment............................................ 21
			Fire Extinguisher and First Aid Kit................................... 22
			Protection from Falling or Flying Objects............................. 22
			Attachment Precautions................................................ 23
			Accumulator........................................................... 23
			Indoor Ventilation.................................................... 24
			Emergency Exit........................................................ 24
		Before Starting Engine.................................................... 25
			Work Site Precautions................................................. 25
			Checks Before Starting Engine......................................... 26
			Engine Starting....................................................... 27
			Before Operating Machine.............................................. 27
		Machine Operation......................................................... 28
			When Swinging or Changing Direction of Travel......................... 28
			Travel Precautions.................................................... 29
			Traveling on Slopes................................................... 30
			Prohibited Operations................................................. 30
			Precautions for Operation............................................. 31
			Avoid Highvoltage Cables............................................. 32
			Operate Carefully on Snow, Ice and in Very Cold Temperatures.......... 32
			Operations on Slopes.................................................. 33
			Parking Machine....................................................... 33
			Never Let Anyone Ride on Attachment................................... 33
		Maintenance............................................................... 34
			Warning Tag........................................................... 34
			Clean Before Inspection or Maintenance................................ 34
			Proper Tools.......................................................... 35
			Use of Lighting....................................................... 35
			Fire Prevention and Explosion Prevention.............................. 35
			Burn Prevention....................................................... 36
			Welding Repairs....................................................... 37
			Warning for Counterweight and Front Attachment Removal................ 37
			Precautions for Removal, Installation, and Storage of Attachments..... 38
			Precautions when Working on Machine................................... 38
			Lock Inspection Covers................................................ 38
			Crushing Prevention and Cutting Prevention............................ 39
			Track Tension Adjustments Require Caution............................. 39
			Supports and Blocking for Work Equipment.............................. 39
			Action When Abnormally Is Found During Inspection..................... 40
			Precautions with Highpressure Line, Tubes and Hoses.................. 40
			Waste Materials....................................................... 41
		Battery................................................................... 42
			Battery Hazard Prevention............................................. 42
			Starting Engine With a Booster Cable.................................. 43
		Towing.................................................................... 45
			Precautions When Towing............................................... 45
		Shipping and Transportation............................................... 46
			Obey State and Local OvertheRoad Regulations........................ 46
		Lifting With Sling........................................................ 46
Specifications.................................................................... 47
	Specifications for Solar 75V S0202025K....................................... 49
		General Description....................................................... 51
		Component Locations....................................................... 52
		General Dimensions........................................................ 54
		Working Range............................................................. 56
		General Specifications.................................................... 58
		Engine Performance Curves (Per DIN 6270 Standard)......................... 60
		Approximate Weight of Workload Materials.................................. 62
		Performance Tests......................................................... 65
		Excavator Performance Standards........................................... 66
			Test Conditions....................................................... 66
			Travel Speed and Travel Motor Balance (Steering Deviation) Tests...... 66
			Swing Speed and Deceleration Force Test............................... 68
			Cylinder Performance Tests............................................ 69
General Maintenance............................................................... 71
	General Maintenance Procedures S0302000....................................... 73
		Welding Precautions and Guidelines........................................ 75
		Hydraulic System  General Precautions.................................... 76
		Maintenance Service and Repair Procedure.................................. 77
			General Precautions................................................... 77
		Hydraulic System Cleanliness and Oil Leaks................................ 78
			Maintenance Precautions for Hydraulic System Service.................. 78
			Oil Leakage Precautions............................................... 78
		Cleaning and Inspection................................................... 79
			General Guidelines.................................................... 79
			Bearing inspection.................................................... 80
	Standard Torques S0309000..................................................... 87
		Torque Values for Standard Metric Fasteners............................... 89
		Torque Values for Standard U.S. Fasteners................................. 90
		Type 8 Phosphate Coated Hardware.......................................... 92
		Torque Values for Hose Clamps............................................. 93
		Torque Values for Split Flanges........................................... 94
		Torque Wrench Extension Tools............................................. 95
			Torque Multiplication................................................. 95
			Other Uses for Torque Wrench Extension Tools.......................... 96
			Tightening Torque Specifications (Metric)............................. 96
Upper Structure................................................................... 99
	Counterweight S0403005K.......................................................101
		General...................................................................103
		Removal...................................................................105
		Installation..............................................................107
	Fuel Tank S0405015K...........................................................109
		General Description.......................................................111
			Parts List............................................................112
			Specifications........................................................113
		Startup Procedures.......................................................114
	Swing Bearing S0407000........................................................115
		Swing Bearing Maintenance.................................................117
			Operating Recommendation..............................................117
			Measuring Swing Bearing Axial Play....................................117
			Measuring Bearing Lateral Play........................................117
			Swing Bearing Basic Operation.........................................118
			Rebuilding Swing Bearing..............................................118
Lower Structure and Chassis.......................................................121
	Track Assembly S0505075K......................................................123
		General Description.......................................................125
		Track Tension.............................................................125
		Service Standards for Lower Travel Frame Components.......................128
			Steel Track...........................................................128
			Rubber Track..........................................................132
		Track Shoes and Links.....................................................137
			Steel Track...........................................................137
			Rubber Track..........................................................139
		Idler.....................................................................140
			Parts List............................................................140
		Lower Roller..............................................................142
			Parts List............................................................142
		Upper Roller..............................................................146
			Parts List............................................................146
		Track Spring and Adjusting Cylinder.......................................148
			Parts List............................................................148
Engine and Drive Train............................................................151
	Air Conditioner S0605015......................................................153
		General Description.......................................................155
		Refrigerant Circulation...................................................156
		Airconditioning System Circuit Diagram...................................158
		Troubleshooting...........................................................159
		Weight of R134a Gas Used In Machines......................................162
		Refrigerant System Repairs................................................164
			Refrigerant Safe Handling Procedures..................................164
			Repair and Replacement Procedure......................................165
			Refrigerant Recovery..................................................167
			Vacuuming Refrigerant System..........................................167
			Leakage Check.........................................................169
			Refrigerant Charging..................................................169
			Inspecting System for Leakage.........................................171
Hydraulics........................................................................173
	Accumulator S0703010K.........................................................175
		General Description.......................................................177
			Specifications........................................................178
	Center Joint (Swivel) S0704015K...............................................181
		General Description.......................................................183
			Parts List............................................................184
		Troubleshooting, Testing and Adjustment...................................186
			Inspection............................................................186
			Testing...............................................................186
		Disassembly...............................................................187
		assembly..................................................................188
	Cylinders S0705000............................................................189
		General Description.......................................................191
			Theory of Operation...................................................191
			Parts List............................................................192
		Special Tools and Materials...............................................194
			Piston Nut............................................................194
			Piston Jig............................................................198
			Steel Bushing Jig.....................................................202
			Dust Wiper Jig........................................................206
			Slipper Seal Jig......................................................212
			Slipper Seal Straightening Jig........................................216
		Disassembly...............................................................219
		Assembly..................................................................225
	Travel Motor (with Gearbox) S0707355K.........................................229
		Travel Motor Assembly and Parts List......................................232
		Travel Motor Major Components and Parts List..............................235
			Components............................................................235
			Characteristics.......................................................235
		Axial Piston Motor Major Components and Parts List........................236
		Travel Motor Theory of Operation..........................................237
			Counter Relief Operation..............................................237
			Braking...............................................................238
			Parking Brake Operation...............................................238
			Two Speed Transmission................................................239
	Swing Motor S0707380..........................................................241
		Swing Motor...............................................................243
			Motor.................................................................243
			Valve Casing..........................................................244
			Relief Valve..........................................................244
		Troubleshooting...........................................................246
	Main Pump (Rexroth) S0708375K.................................................247
		A10 V(S)O pressure, flow and power control DFLR...........................250
			Ports.................................................................250
			Circuit Diagram.......................................................251
			Function and Circuit Diagram..........................................252
			Function Power Control................................................254
			Integrated Orifice and Damping Orifice................................255
			Measurement of Highpressure..........................................256
			Adjustment of DR, FR and LR  Control.................................257
			Adjustment of Power Control...........................................258
			Hints for Assembling / Disassembling of the LR Valve..................259
			Usage of DFLR  SO128 with LUDV Mobile Blocks.........................260
			DFLRSO128, Highpressure Support and Xport..........................262
			DFLR  SO 128 Pilot PRessure Port X...................................263
		Section...................................................................264
		Spare Parts Kits..........................................................265
		Sealing Kits / Spare Parts Kits...........................................266
		Sealing the Drive Shaft...................................................268
		Disassembly and Assembly of the Complete Unit.............................270
		Spare Parts Kit: A10 Control Valve DFR....................................278
			General Directions....................................................278
			Spare Part Kit........................................................278
			Fitting Note of the Control Valve  Devices...........................279
		A10 Control Valve DFR of Pump Size 140....................................282
		Disassembling and Cleaning the Control Valve..............................284
		List / Adjustment of Taper Roller Bearing Set.............................289
			List..................................................................289
			Taper Roller Bearing initial Tension..................................289
		Testing and set up instructions...........................................291
		Tools / Auxiliary Tools / Tightening Torques..............................292
			Tightening Torques....................................................293
		Installation of Pump Dump Orifice on A10..................................294
			A10, S0128 regulator, orifice of for speed of backstroking of pump....298
	Pilot Control Valve (Work Lever / Joystick) S0709453K.........................299
		General Description.......................................................301
			Theory of Operation...................................................301
			Parts List............................................................302
			Specifications........................................................303
		Removal...................................................................305
		Disassembly...............................................................307
		Cleaning and Inspection (Wear Limits and Tolerances)......................311
		Assembly..................................................................312
		Installation..............................................................317
		Startup Procedures.......................................................318
	Main Control Valve (REXROTH) S709466K.........................................319
		Functional Description, Section...........................................321
		Assembly..................................................................323
		Troubleshooting...........................................................324
			Abnormal Operation of the Actuators Connected to the Control Block....324
			Abnormal Machine Operation............................................325
			Visual Defects........................................................325
		Fundamental Rules.........................................................325
			General Information Concerning Control Block Connection...............325
		Removal / Installation of the SX 14 Control block.........................326
			General Recommendations...............................................326
			Removal of the SX 14 Control Block....................................326
			Installation of the SX 14 Control Block...............................326
		Inlet and Outlet Elements Repair Procedures...............................327
			LS Pressure Relief Valve Replacement..................................327
			Flow Regulator Replacement............................................328
			"Open Center" Removal.................................................329
		Hydraulic Operator Removal................................................330
			Hydraulic Control Housing Removal.....................................330
		Control Block Disassembly / Assembly......................................331
			Preliminary Operations:...............................................331
			Individual pressure compensator Removal...............................332
			Check Valve Removal...................................................333
	Travel Control Valve (With Damper) S0709820K..................................335
		General Description.......................................................337
			Theory of Operation...................................................337
			Parts List............................................................340
			Specification.........................................................341
			Torque................................................................341
		Troubleshooting, Testing and Adjustment...................................342
		Removal...................................................................343
		Disassembly...............................................................345
		Cleaning and Inspection (Wear Limits and Tolerances)......................351
		assembly..................................................................352
		Installation..............................................................357
		Startup Procedures.......................................................358
	Hydraulic Schematic (Solar 75V) S0792096K....................................359
		General Description.......................................................361
		Solar 75V (Standard).....................................................362
		Solar 75V (Option).......................................................364
Electrical System.................................................................367
	Electrical System S0802095K...................................................369
		Overview..................................................................371
		Electric Supply System....................................................372
		Engine Starting Circuit...................................................374
			Operation During Start Process........................................374
			Operation After Start Process.........................................376
		Engine Preheating System..................................................378
		Engine Stop System........................................................380
		Charging System...........................................................381
		Instrument System.........................................................382
			Instrument Panel......................................................383
			Operation.............................................................385
			Circuit Diagram of Instrument Panel...................................387
			Control Unit..........................................................388
		Engine Control System.....................................................390
			Engine Control Circuit Diagram........................................390
		Engine Control Motor......................................................391
		Engine Control Dial.......................................................392
		Engine Overheat Protection System.........................................394
	Electrical Schematic (Solar 75V) S0892096K...................................395
		General Description.......................................................397
		Solar 75-V (S/N 1001 thru 1153)...........................................398
		Solar 75-V (S/N 1154 and Up)..............................................400
Attachments.......................................................................403
	Boom and Arm S0902025K........................................................405
		Front Attachment Pin Specifications.......................................407
		Front Attachment  Removal and Installation...............................408
			Arm Removal Procedure.................................................408
			Boom Removal Procedure................................................410
		Installation..............................................................411
			Arm Installation Procedure............................................411
			Boom Installation Procedure...........................................411
		Startup Procedures.......................................................412
	Bucket S0904000...............................................................413
		Bucket Tooth Inspection and Replacement...................................415
			Type 1................................................................415
			Type 2................................................................416
			Type 3................................................................417
		Bucket Oring Replacement.................................................419
			Type 1................................................................419
			Type 2................................................................420
		Bucket Shimming Procedures................................................422
			New Bucket Installation...............................................422
			Type 1................................................................422
			Type 2................................................................423
		Bucket Attachment, Removal and Reversal...................................424
			Detaching the Bucket..................................................424
			Attaching the bucket..................................................424
			Reversing the Bucket..................................................425

S.S 06/24