Complete official service manual for Daewoo/Doosan Solar 400LC-V Excavator, with all the shop information to maintain, diagnose, repair, and rebuild like professional mechanics.

Daewoo Solar 400LC-V Excavator  workshop service & repair manual includes:
* Numbered table of contents easy to use so that you can find the information you need fast.
* Detailed sub-steps expand on repair procedure information
* Numbered instructions guide you through every repair procedure step by step.
* Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use.
* Notes, cautions and warnings throughout each chapter pinpoint critical information.
* Bold figure number help you quickly match illustrations with instructions.
* Detailed illustrations, drawings and photos guide you through every procedure.
* Enlarged inset helps you identify and examine parts in detail.

Solar 400LC-V Excavator Shop Manual.pdf
S420LC-V HYDRAULIC CIRCUIT.pdf
Solar 400LC-V Operation and Maintenance Manual 2022-7168E Serial Number 0001 and Up.pdf

Total Pages: 602 pages
File Format: PDF
Language: English

TABLE OF CONTENTS
To the Operator of a Daewoo Excavator .. 3
General Safety Essentials .. 5
Location of Safety Labels ... 5
Summary of Safety Precautions for Lifting in Digging Mode .. 6
Work-site Precautions .. 7
Operation.. 9
Equipment .. 14
Maintenance... 18
Shipping and Transportation... 21
Lifting With Sling... 21

S420LC-V HYDRAULIC CIRCUIT...2
Solar 400LC-V Excavator Shop Manual...3
  Safety...0
    Track Excavator Safety...3
      To the Operator of a Daewoo Excavator...5
      General Safety Essentials...7
      Location of Safety Labels...7
      Summary of Safety Precautions for Lifting in Digging Mode...8
      Work Site Precautions...9
      Operation...11
      Equipment...16
      Maintenance...20
      Shipping and Transportation...23
      Lifting with Sling...23
  Specifications...25
    Specifications for Solar 420LC-V...26
      General Description...28
      Component Locations...29
      General Dimensions...32
      Working Range...33
      General Specifications...35
      Engine Performance Curves (PER KS-R1004 Standard)...37
      Approximate Weight of Workload Materials...39
      Performance Tests...42
      Excavator Performance Standards...43
  General Maintenance...50
    General Maintenance Procedures ...51
      Welding Precautions and Guidelines...53
      Hydraulic System - General Precautions...54
      Maintenance Service and Repair Procedure...55
      Hydraulic System Cleanliness and Oil Leaks...56
      Cleaning and Inspection...57
    Standard Torques...65
      Torque Values for Standard Metric Fasteners...67
      Torque Values for Standard U.S. Fasteners...68
      Type 8 Phosphate Coated Hardware...70
      Torque Values for Hose Clamps...71
      Torque Values for Split Flanges...72
      Torque Wrench Extension Tools...73
  Upper Structure...77
    Cab...78
      Removal...80
      Installation...83
    Counterweight...86
      General...88
      Removal...90
      Installation...91
    Fuel Tank...92
      General Description...94
      Removal...97
      Installation...101
      Start-up Procedures...103
    Fuel Transfer Pump...104
      General Description...106
      Troubleshooting...107
      Replacement of Rotor and Vane...107
      Replacement of Rear Cover...108
      Replacement of Armature...109
    Swing Bearing...110
      Swing Bearing Maintenance...112
    Swing Reduction Gear (M105)...116
      General Description...118
      Special Tools and Materials...121
      Troubleshooting, Testing and Adjustment...124
      Removal...125
      Disassembly...126
      Reassembly...131
      Installation...136
      Start-up Procedures...137
  Lower Structure and Chassis...138
    Track Assembly...139
      General Description...141
      Track Tension...141
      Cleaning and Inspection (Wear Limits and Tolerances)...143
      Track Shoes and Links...148
      Front Idler Roller...151
      Lower Roller...155
      Upper Roller...159
      Track Spring and Track Adjusting Cylinder...164
  Engine and Drive Train...165
    Air-conditioner...166
      Refrigerant Circulation...168
      Control Panel...170
      Control Specifications...171
      Temperature Level Control and Display...172
      Air Discharge According To Path Selection...173
      Air-conditioning System Circuit Diagram...175
      Troubleshooting...177
      Refrigerant System Repairs...180
    Drive Coupling (Main Pump)...188
      Drive Coupling...190
      Special Tools...191
      Drive Coupling Installation...193
  Hydraulics...198
    Hydraulic System Troubleshooting, Testing and Adjustement...199
      Hydraulic System - General Notes...202
      Hydraulic Schematic...203
      Operation of Working Components...204
      Procedural Troubleshooting Baseline Recommendations...209
      Pilot Pressure...210
      Power Mode Valve...211
      Boom/Front Priority Valve...212
      Pressure Up Valve...213
      Pump Input Power Control...215
      Flow Meter and Flow Meter Kit Installation and Testing...218
      Swing System Troubleshooting...220
      Troubleshooting - Swing Gearbox...222
      Troubleshooting - Hydraulic Problems...223
      Troubleshooting - Control Valve...225
      Troubleshooting - Travel Control Valve...226
      Troubleshooting - Joystick Control Valve...227
    Accumulator...229
      General Descriptio...231
    Center Joint (Swivel)...233
      General Description...235
      Troubleshooting, Testing and Adjustment...237
      Disassembly...238
      Reassembly...238
    Cylinders...241
      General Description...243
      Special Tools and Materials...246
      Disassembly...250
      Reassembly...256
    Swing Motor...261
      General Description...263
      Special Tools and Materials...269
      Disassembly...271
      Cleaning and Inspection (Wear Limits and Tolerances)...276
      Reassembly...278
    Travel Motor (With Gearbox) (Nabuko)...283
      Travel Motor (M3V270/160A)...286
      Specifications...286
      Structure and Function...287
      Disassembly and Assembly...293
      Maintenance Standard...301
      Cause of Trouble and The Remedy...303
      Reduction Gear (M3V270 / 160A-RG7.5)...305
      Specifications...305
      Structure and Operation...306
      Disassembly and Assembly...308
      Maintenace...320
      Brake Valve (RBV - 24DL4)...323
      Specification...323
      Structure and Operation...324
      Disassembling and Reassembling...329
      Cause of Trouble and Troubleshooting...331
    Main Pump (Rexroth)...333
      Sectional View...336
      General Repair Guidelines...338
      Seal Kits and Sub-assemblies...339
      Sealing The Drive Shaft...344
      Gear Pump Sealing...346
      Remove the Control Housing...347
      Control Module...351
      Removing The Controller...353
      Valve Plate With Valves...355
      Remove The Rotary Groups...356
      Remove The Intermediate Wheel...359
      Remove Auxiliary Drive...361
      Inspection Hints...363
      Re-fitting The Rotary Group...368
      Pump Assembly...369
      Hydraulic Component - Measurement "D"...372
      Fit Control Housing...377
      Assembly of The Intermediate Wheel...380
      Fit The Gear Pump...381
      Fit The Cover / Auxiliary Drive...382
      Assembly Guidelines for Tightening Torques...383
    Main Control Valve (Kayaba)...385
      General Description...387
      Troubleshooting, Testing and Adjustment...418
      Diassembly...421
      Cleaning and Inspection (Wear Limits and Tolerances)...426
      Reassembly...427
      Installation...433
      Start-up Procedures...433
    Pilot Control Valve (Work Lever.Joystick)...435
      General Description...437
      Removal...440
      Disassembly...442
      Cleaning and Inspection (Wear Limits and Tolerances)...446
      Reassembly...447
      Installation...452
      Start-up Procedures...452
    Travel Control Valve (With Damper)...455
      General Description...457
      Troubleshooting, Testomg amd Adjustment...462
      Removal...463
      Disassembly...465
      Cleaning and Inspection (Wear Lmits and Tolerances)...471
      Reassembly...472
      Installation...477
      Start-up Procedures...478
    Hydraulic Schematic (S420LC-V)...479
      General Description...481
      Solar 420LC-V...482
  Electrical System...485
    Electrical System...486
      Troubleshooting - Electrical System...489
      Overview...490
      Electric Supply System...491
      Engine Starting Circuit...492
      Engine Preheating System...494
      Engine Stop System...495
      Charging System...498
      Monitoring System...499
      Operation...503
      Warning and Indicator Lights...505
      Initial Operation...507
      Mode Select Switch...508
      Graphic Information Area Display...509
      Main Menu...511
      Special Menu...513
      Electronic Hydraulic Control System (e-EPOS)...527
      Power Mode Control...529
      Power Mode Control - Circuit Diagram...533
      Trenching Mode Control...535
      Trenching Mode Control - Circuit Diagram...537
      Engine Control System...538
      Engine Control Motor...539
      Engine Control Dial...540
      Engine Control Circuit Diagram...542
      Automatic Deceleration Control (Auto Idle Control)...543
      Engine Overheat Protection System...544
      Power Boost Mode...545
      Automatic Travel Speed Control...547
      Engine Control Device - Adjustment...549
      Self-diagnostic Function...552
      Engine Throttle Controller...554
      Wiper System...555
      Lighting System...557
      Overload Warning Device...559
    Electrical Schematic (S420LC-V)...560
      General Description...562
      Solar 420LC-V...563
  Attachments...566
    Boom and Arm...567
      Front Attachment Pin Specifications...569
      Front Attachment - Removal and Installation...570
      Installation...573
      Start-up Procedures...574
    Bucket...575
      Bucket Tooth Inspection and Replacement...577
      Bucket O-ring Replacement...580
      Bucket Shimming Procdures...582
      Bucket Attachment, Removal and Reversal...583
Solar 400LC-V Operation and Maintenance Manual 2022-7168E Serial Number 0001 and Up...585
  Safety...589
    To the Operator of a Daewoo Excavator...589
    General Safety Essentials...591
    Location of Safety Labels...592
    Summary of Safety Precautions for Lifting in Digging Mode...598
    Work-site Precautions...599
    Operation...601
    Equipment...606
    Maintenance...610
    Shipping and Transportation...613
    Excavator Rated Lift Capacity Tables...614
  Operating Controls...620
    Component Locations...621
    Operator’s Area...623
    Operational Controls and Panels...624
    Instrument Panel...630
    Mode Selection Switches...635
    Heater and Air Conditioning Control Panel...636
    Stereo...640
    Miscellaneous Electrical Devices...644
    Seat Adjustment...645
    Seat Belt...646
    Ceiling Cover...647
    Front Windows...648
    Door Side Latch...651
    Miscellaneous Access Covers and Doors...652
    Cab Storage Compartments...653
    Ashtray...653
    Emergency Glass Breaking Tool...654
  Operation...655
    To Handle a New Excavator...655
    Starting and Stopping the Engine...656
    Safety Lever...667
    Travel...668
    Operating Instructions...673
    Operating Precautions...679
    Parking Excavator...684
    Towing Procedure...685
    Hydraulic Breaker...686
  Inspection, Maintenance and Adjustment...691
    Preliminary Work Machine Setup for Maintenance...692
    Table of Recommended Lubricants...694
    Maintenance Intervals...696
    10 Hour / Daily Service...698
    50 Hour / Weekly Service...705
    150 Hour Service...709
    250 Hour / Monthly Service...711
    500 Hour / 3 Month Service...712
    1000 Hour / 6 Month Service...720
    2000 Hour / Yearly Service...725
    4000 Hour / Biennial Service...726
    Venting and Priming Hydraulic System...727
    Handling of Accumulator...729
    Fuel Transfer Pump...730
    Electrical System...732
    Bucket...736
    Bucket Shimming Procedures...738
    Track Tension...739
    Bolt and Nut Inspection...742
    Maintenance in Special Conditions...743
    Long Term Storage...744
  Transportation...745
    Loading and Unloading...745
  Troubleshooting...748
    Engine...748
    Hydraulic System...749
    Swing System...750
    Electrical System...751
    Travel System...752
  Specification...753
    Standard Specification...753
    Working Range...755
  Index...756

Daewoo Solar 400LC-V Excavator Repair Service Manual