Complete official service manual for Doosan / Daewoo Solar 470LC-V Excavator, with all the shop information to maintain, diagnose, repair, and rebuild like professional mechanics.

Daewoo Solar 470LC-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.

Daewoo Solar 470LC-V Shop Manual.pdf
Solar 470LC-V Operation and Maintenance Manual 022-00022E Serial Number 1001 and Up.pdf
HYDRAULIC CIRCUIT S420LC-V.pdf
MDOOS470OPEK.zip
S470 DİAGRAM.pdf
S470 MAZOT POMPA.pdf

Total Pages: 631 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

Daewoo Solar 470LC-V Shop Manual...2
  Safety...2
    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 470LC-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...48
    General Maintenance Procedures ...49
      Welding Precautions and Guidelines...51
      Hydraulic System - General Precautions...52
      Maintenance Service and Repair Procedure...53
      Hydraulic System Cleanliness and Oil Leaks...54
      Cleaning and Inspection...55
    Standard Torques...63
      Torque Values for Standard Metric Fasteners...65
      Torque Values for Standard U.S. Fasteners...66
      Type 8 Phosphate Coated Hardware...68
      Torque Values for Hose Clamps...69
      Torque Values for Split Flanges...70
      Torque Wrench Extension Tools...71
  Upper Structure...75
    Cab...76
      Removal...78
      Installation...81
    Counterweight...84
      General...86
      Removal...88
      Installation...89
    Fuel Tank...90
      General Description...92
      Removal...95
      Installation...98
      Start-up Procedures...100
    Fuel Transfer Pump...102
      General Description...104
      Troubleshooting...105
      Replacement of Rotor and Vane...105
      Replacement of Rear Cover...106
      Replacement of Armature...107
    Swing Bearing...108
      Swing Bearing Maintenance...110
    Swing Reduction Gearbox...114
      General Descriptio...116
      Special Tools and Materials...119
      Troubleshooting, Testing and Adjustment...121
      Removal...122
      Diassembly...124
      Cleaning and Inspection (Wear Limits and Tolerances)...127
      Reassembly...129
      Installation...134
  Lower Structure and Chassis...136
    Track Assembly...137
      General Description...139
      Track Tension...139
      Cleaning and Inspection (Wear Limits and Tolerances)...141
      Track Shoes and Links...145
      Front Idler Roller...148
      Lower Roller...153
      Upper Roller...158
      Track Spring and Track Adjusting Cylinder...165
  Engine and Drive Train...167
    Air-conditioner...168
      Refrigerant Circulation...170
      Control Panel...172
      Control Specifications...173
      Temperature Level Control and Display...174
      Air Discharge According To Path Selection...175
      Air-conditioning System Circuit Diagram...177
      Troubleshooting...179
      Refrigerant System Repairs...182
    Drive Coupling (Main Pump)...190
      Drive Coupling...192
      Special Tools...193
      Drive Coupling Installation...195
  Hydraulics...200
    Hydraulic System Troubleshooting, Testing and Adjustement...201
      Hydraulic System - General Notes...204
      Hydraulic Schematic...205
      Operation of Working Components...206
      Procedural Troubleshooting Baseline Recommendations...211
      Pilot Pressure...212
      Power Mode Valve...213
      Boom/Front Priority Valve...214
      Pressure Up Valve...215
      Pump Input Power Control...217
      Flow Meter and Flow Meter Kit Installation and Testing...220
      Swing System Troubleshooting...222
      Troubleshooting - Swing Gearbox...224
      Troubleshooting - Hydraulic Problems...225
      Troubleshooting - Control Valve...227
      Troubleshooting - Travel Control Valve...228
      Troubleshooting - Joystick Control Valve...229
    Accumulator...231
      General Descriptio...233
    Center Joint (Swivel)...235
      General Descriptio...237
      Troubleshooting, Testing and Adjustment...239
      Disassembly...240
      Reassembly...240
    Cylinders...243
      General Description...245
      Special Tools and Materials...248
      Diassembly...252
      Reassembly...258
    Swing Motor...263
      General Description...265
      Special Tools...273
      Disassembly...274
      Cleaning and Inspection (Wear Limits and Tolerances)...281
      Reassembly...283
    Travel Motor (With Gearbox) (A6V160HD)...291
      General Description...293
      Travel Motor Disassembly...313
      Travel Motor Speed Reduction Gearbox Disassembly...327
      Cleaning and Inspection (Wear Limits and Tolerances)...336
      Travel Motor Speed Reduction Gearbox Reassembly...337
      Travel Motor Reassembly...347
    Main Pump (Rexroth)...351
      Sectional View...354
      General Repair Guidelines...356
      Seal Kits and Sub-assemblies...357
      Sealing The Drive Shaft...362
      Gear Pump Sealing...364
      Remove the Control Housing...365
      Control Module...369
      Removing The Controller...371
      Valve Plate With Valves...373
      Remove The Rotary Groups...374
      Remove The Intermediate Wheel...377
      Remove Auxiliary Drive...379
      Inspection Hints...381
      Re-fitting The Rotary Group...386
      Pump Assembly...387
      Hydraulic Component - Measurement "D"...390
      Fit Control Housing...395
      Assembly of The Intermediate Wheel...398
      Fit The Gear Pump...399
      Fit The Cover / Auxiliary Drive...400
      Assembly Guidelines for Tightening Torques...401
    Main Control Valve (Kayaba)...403
      General Description...405
      Troubleshooting, Testing and Adjustment...436
      Diassembly...439
      Cleaning and Inspection (Wear Limits and Tolerances)...444
      Reassembly...445
      Installation...451
      Start-up Procedures...451
    Pilot Control Valve (Work Lever.Joystick)...453
      General Description...455
      Removal...458
      Disassembly...460
      Cleaning and Inspection (Wear Limits and Tolerances)...464
      Reassembly...465
      Installation...470
      Start-up Procedures...470
    Travel Control Valve (With Damper)...473
      General Description...475
      Troubleshooting, Testomg amd Adjustment...480
      Removal...481
      Disassembly...483
      Cleaning and Inspection (Wear Lmits and Tolerances)...489
      Reassembly...490
      Installation...495
      Start-up Procedures...496
    Hydraulic Schematic (S470LC-V)...497
      General Description...499
      Solar 470LC-V...500
  Electrical System...503
    Electrical System...504
      Troubleshooting - Electrical System...507
      Overview...508
      Electric Supply System...509
      Engine Starting Circuit...510
      Engine Preheating System...512
      Engine Stop System...513
      Charging System...516
      Monitoring System...517
      Operation...521
      Warning and Indicator Lights...523
      Initial Operation...525
      Mode Select Switch...526
      Graphic Information Area Display...527
      Main Menu...529
      Special Menu...531
      Electronic Hydraulic Control System (e-EPOS)...545
      Power Mode Control...547
      Power Mode Control - Circuit Diagram...551
      Trenching Mode Control...553
      Trenching Mode Control - Circuit Diagram...555
      Engine Control System...556
      Engine Control Motor...557
      Engine Control Dial...558
      Engine Control Circuit Diagram...560
      Automatic Deceleration Control (Auto Idle Control)...561
      Engine Overheat Protection System...562
      Power Boost Mode...563
      Automatic Travel Speed Control...565
      Engine Control Device - Adjustment...567
      Self-diagnostic Function...570
      Engine Throttle Controller...572
      Wiper System...573
      Lighting System...575
      Overload Warning Device...577
    Electrical Schematic (S470LC-V)...578
      General Description...580
      Solar 470LC-V...581
  Attachments...584
    Boom and Arm...585
      Front Attachment Pin Specifications...587
      Front Attachment - Removal and Inspection...588
      Installation...591
      Start-up Procedures...592
    Bucket...593
      Bucket Tooth Inspection and Replacement...595
      Bucket O-ring Replacement...598
      Bucket Shimming Procdures...600
      Bucket Attachment, Removal and Reversal...601
HYDRAULIC CIRCUIT S420LC-V...603
S470 DİAGRAM...604
S470 MAZOT POMPA...605
Solar 470LC-V Operation and Maintenance Manual 022-00022E Serial Number 1001 and Up...606
  Safety...612
    To the Operator of a Daewoo Excavator...612
      Learn the Signal Words Used with the Safety Alert Symbol...614
    Location of Safety Labels...615
      1. Warnings for operation, inspection and maintenance (190-00688, 190-00092)...616
      2. Warnings for high voltage (190-00689, 190-00096)...616
      3. Warnings when opening a front window (190-00690, 190-00093)...616
      4. warnings for a high pressure cylinder (190-00122)...617
      5. Warnings when adjusting track tension (2190-3386A, 190-00521)...617
      6. WARNINGs FOR LEAVING OPERATOR’S SEAT (190-00693, 190-00094)...618
      7. Warnings for batteries maintenance (2190-2533A, 190-00100)...618
      8. Warnings for high temperature hydraulic oil (190-00691, 190-00097)...619
      9. Warnings for hot Coolant (190-00692, 190-00097)...619
      10. Warnings for handling an accumulator (190-00703, 190-00099)...619
      11. WARNINGS FOR ROTATING PARTS (190-00694, 190-00095, 190-00557)...620
      12. Warning tag - used when inspection and maintenance (190-00695, 190-00098)...620
      13. warning for a hot surface (19000648)...621
      14. caution for hood (190-00522)...621
      15. keep out of the swing area (2190-3379, 190-00090)...621
      16. Warnings for front attachments (190-00652)...622
    Summary of Safety Precautions for Lifting in Digging Mode...623
    Unauthorized Modifications...624
    General Hazard Information...624
      Safety Rules...624
      Safety Features...624
      Inside Operator's Compartment...625
      Clothing and Personal Protective Items...625
      Mounting and Dismounting...626
      Fuel, Oil and Hydraulic Fluid Fire Hazards...627
      Precautions When Handling Fluids at High Temperature...627
      Asbestos dust hazard prevention...628
      Injury from Work Equipment...628
      Fire Extinguisher and First Aid Kit...629
      Protection from Falling or Flying Objects...629
      Attachment Precautions...630
      Accumulator...630
      Indoor Ventilation...631
      Emergency Exit...631
    Before Starting Engine...632
      Work Site Precautions...632
      Checks Before Starting Engine...633
      Engine Starting...634
      Before Operating Machine...634
    Machine Operation...635
      When Swinging or Changing Direction of Travel...635
      Travel Precautions...635
      Traveling on Slopes...636
      Prohibited Operations...637
      Precautions for Operation...637
      Avoid High-voltage Cables...638
      Operate Carefully on Snow, Ice and in Very Cold Temperatures...638
      Operations on Slopes...639
      Parking Machine...639
      Never Let Anyone Ride on Attachment...639
    Maintenance...640
      Warning Tag...640
      Clean Before Inspection or Maintenance...640
      Proper Tools...641
      Use of Lighting...641
      Fire Prevention and Explosion Prevention...641
      Burn Prevention...642
      Welding Repairs...643
      Precautions for Removal, Installation, and Storage of Attachments...643
      Precautions when Working on Machine...644
      Lock Inspection Covers...644
      Crushing Prevention and Cutting Prevention...644
      Track Tension Adjustments Require Caution...645
      Supports and Blocking for Work Equipment...645
      Action When Abnormally Is Found During Inspection...646
      Precautions with High Pressure Line, Tubes and Hoses...646
      Waste Materials...647
    Battery...648
      Battery Hazard Prevention...648
      Boost Starting or Charging Engine Batteries...649
    Towing...650
      Precautions When Towing...650
    Shipping and Transportation...651
      Obey State and Local Over-the-Road Regulations...651
    Excavator Rated Lift Capacity Tables...652
  Operating Controls...658
    Component Locations...659
    Operator’s Area...661
    Operational Controls and Panels...662
      1. Starter Switch...663
      2. Engine Speed Control Dial...663
      3. light Switch...664
      4. Wiper Switch...664
      5. Windshield Washer Switch...665
      6. Travel Speed Selection Switch...665
      7. Stereo On/Off Switch...666
      8. Cab Work Light Switch (Optional)...666
      9. Warning Light Switch (Optional)...666
      10. Travel/Swing Alarm Switch (Optional)...667
      11. Overload Warning Switch (Optional)...667
      12. Heater and Air Conditioner Control Panel...668
      13. Cigar Lighter...668
      14. Power Socket for 12 Volt...668
      15. Horn Switch (Left-hand Work Lever (Joystick))...669
      16. Booster Switch (Right-Hand work lever (Joystick))...669
      17. Breaker Switch (Right-Hand Work Lever (Joystick))...669
      18. Instrument Panel...669
      19. Safety Lever...670
    Instrument Panel...671
      Functional check...672
      1. Engine Coolant Temperature Gauge...672
      2. Fuel Gauge...672
      3. Multifunction Gauge and Graphic Information Area...673
      4. Digital Clock...673
      5. Hour Meter...673
      6. Charge Warning Light...674
      7. Engine Oil Pressure Warning Light...674
      8. Coolant Temperature Warning Light...674
      9. Preheating Completion Light...675
      10. Work Light Indicator Light...675
      11. Overload Warning Light (Optional)...675
    Multifunction Gauge and Graphic Information...676
      Communication Indicator...676
      Communication Error Warning...677
      1. Engine Speed...677
      2. Battery Voltage...677
      3. Front Hydraulic Pump Pressure...678
      4. Rear Hydraulic Pump Pressure...678
      5. Abnormal State Warning of Filters...679
    Mode Selection Buttons...680
      1. Power Mode Selection Button...680
      2. Trenching Mode Selection Button...681
      3. Auto Idle Selection Button...681
      4. Display Selection Button...682
    Setting Method for Main Menu...683
      Main Menu...683
      Language...684
      Set Clock...684
      Filter / Oil Info...685
    Heater and Air Conditioner Control Panel...687
      Location of Controls and Vents...687
      Operation Panel...688
      1. Fan and Air-conditioner Switch...688
      2. Fan Speed Selection Switches...689
      3. Temperature Control Switch...689
      4. Air Outlet Selection Switch...690
      5. Ventilation Selection Switch...691
      Memory Function of Used Mode...691
      Additional Operating Instructions...691
    Stereo...692
      Security and Area Code Setting...692
      Order to Set Up Security and Area Code...692
      Front Panel...693
      1. Power/Volume Control Knob...693
      2. Sound Mode Selection Button...693
      3. Band Selection Switch...694
      4. Tuning Up/Down...694
      5 & 6. Auto Memory and Preset Scan Button / Preset Station Button...695
      7. Tape Slot...695
      8. Tape Ejection Button...695
      9. Cassette and Program Buttons...696
      10. Security Warning LED...696
      11. Scan...696
      12. LCD...697
      Care of Stereo...697
    Fuse Boxes...699
    Miscellaneous Electrical Devices...700
      1. Cab Light...700
      2. Pilot Cutoff Switch...700
      3. Circuit Breaker...700
      4. Fusible Link...701
    Seat Adjustment...702
      1. Forward / Backward Adjustment (Figure 83)...702
      2. Adjusting the Seat's Tilt and Seat Height (Figure 83)...702
      3. Weight Adjustment (Figure 83)...702
      4. Adjusting Reclining (Figure 83)...702
      5. Moving the Total Seat Setting Forward/Backward (Figure 83)...703
      6. Angle Adjustment of Armrest (Figure 84)...703
      7. Headrest (Figure 84)...703
    Seat Belt...704
      Seat Belt Locking and Unlocking...704
    Ceiling Cover...705
      Opening the Ceiling Cover...705
      Closing the Ceiling Cover...705
    Front Windows...706
      Front Upper Window...706
      Front Bottom Window...708
    Door Side Latch...709
    Miscellaneous Access Covers and Doors...710
      Side Door...710
      Battery Box Door...710
      Engine Cover...710
    Cab Storage Compartments...711
    Ashtray...711
    Emergency Glass Breaking Tool...712
  Operation...714
    To Handle a New Excavator...714
      Lubrication and filters...714
    Starting and Stopping the Engine...715
      Inspection Before Starting Engine...715
      Operational Checks Before Starting Engine...715
      Engine Start...717
      Cold Weather Starting...719
      Starting Engine With a Booster Cable...721
      Hydraulic System Warm-up...723
      Hydraulic System Warm-Up – Cold Weather...724
      Engine Shut Down...725
      Check and Confirmation After Stopping Engine...726
    Safety Lever...727
    Travel...728
      Automatic Travel Speed Control...728
      General Travel Instructions...729
      Travel Control Lever Operation...731
    Operating Instructions...733
      Engine Speed Control...733
      Mode Selection...735
      Work Levers (ISO Style)...737
    Operating Precautions...738
      Working in Water...742
    Parking Excavator...743
    Towing Procedure...744
    Hydraulic Breaker...745
      Selection of Hydraulic Breaker...745
      Hydraulic Hoses and Tubing for Breaker...745
      Hydraulic Breaker Operation...745
      To activate breaker;...747
      Hydraulic Oil and Filter Service Intervals...748
    Operating Techniques...749
      Lifting...749
    Operation Under Unusual Conditions...751
      Operation In Extreme Cold...751
      Operation In Extreme Heat...751
      Operation In Dusty Or Sandy Areas...752
      Operation In Rainy or Humid Conditions...753
      Operation In Salt Water Areas...753
      Operation at High Altitudes...753
  Inspection, Maintenance and Adjustment...754
    Serial Numbers...755
    Safety Precautions...755
    Preliminary Work Machine Setup for Maintenance...756
    Table of Recommended Lubricants...758
    Fluid Capacities...760
    Lubrication and Service Chart...760
    Maintenance Intervals...763
      10 Hour / Daily Service...763
      50 Hour / Weekly Service...763
      250 Hour / Monthly Service...763
      500 Hour / 3 Month Service...764
      1000 Hour / 6 Month service...764
      2000 Hour / Yearly Service...764
      4000 Hour / Biennial Service...764
    10 Hour / Daily Service...765
      Grease Boom, Arm and Front Attachment Pins (for first 100 hours)...765
      Check Engine Oil Level...765
      Check Level of Hydraulic Oil Tank...766
      Check for Leaks in the Hydraulic System...767
      Check Fuel Level...768
      Check for Leaks in the Fuel System...768
      Check Water Separator and Drain Water As Required...769
      Check Oil Level of Swing Reduction Device...770
      Clean Dust Net in Front of Oil Cooler...771
      Check Cooling System and Refill As Required...771
      Check Level of Window Washer Liquid...772
      Inspect the Bucket Teeth and Side Cutters for Signs of Wear...772
      Inspect Engine Fan Blade...772
      Check Air Intake System...773
      Inspect Seat Belt for Proper Operation...773
      Inspect the Structure for Cracks and Faulty Welds...773
      Check the Operation of All Switches...773
      Check the Operation of All Exterior Lights, Horn and Control Console Indicator and Monitor Lights...773
      Start Engine, Check Starting Ability, and Observe Exhaust Color at Start-up and at Normal Operati...774
      Check Operation of All Controls...774
    50 Hour / Weekly Service...775
      Perform All 10 Hour / Daily Service Checks...775
      Grease Boom, Arm and Front Attachment Pins...775
      Grease Swing Bearing...777
      Drain Water and Sediment from Fuel Filter...778
      Drain Water and Sediment from Fuel Tank...778
      Check Engine Fan Belt for Cracks, Wear and Correct Tension (After First 50 Hours)...778
      Change Engine Oil and Filter (After First 50 Hours)...778
      Inspect the Track Assemblies for Proper Tension and Loose, Worn or Damaged Parts (Links, Shoes, R...778
    250 Hour / Monthly Service...779
      Perform All 10 hour / daily and 50 Operating Hour Service Checks...779
      Change Swing Reduction Device Oil (Drain and Refill After First 250 Hours)...779
      Clean Outer Element of Two Stage Air Cleaner...779
      Check Engine Fan Belt Tension...780
      Check Engine Fan Belt Wear...781
      Change Engine Oil and Filter...782
      Check Oil Level In Travel Reduction Device (One on Each Side of Unit)...783
      Change Oil in Travel Reduction Device (One on Each Side of Unit) (After First 250 Hours)...783
      Replace Full Flow Hydraulic Oil Filter (After First 250 Hours)...783
      Change Pilot Filter (After First 250 Hours)...783
      Inspect Pins and Bushings of the Front End Attachments for Signs of Wear...783
      Check the Fluid Levels in the Batteries and the Battery Charge Levels...783
      Inspect for Any Loose or Missing Nuts and Bolts...783
      Inspect Fuel System Hose Clamps...783
    500 Hour / 3 Month Service...784
      Perform All Daily (10 Hour), 50, and 250 Operating Hour Service Checks...784
      Grease Swing Gear and Pinion...784
      Replace Full Flow Hydraulic Oil Filter...785
      Change Pilot Filter...786
      Clean Air Conditioning Filter...787
      Clean Radiator, Oil Cooler, Intercooler and Air Conditioner Condenser Core...788
      Replace Outer and Inner Air Cleaner Elements...789
      Change Fuel Filter...790
    1000 Hour / 6 Month Service...792
      Perform All Daily (10 Hour), 50, 250 and 500 Operating Hour Service Checks...792
      Grease Swing Reduction Device...792
      Change Swing Reduction Device Oil...792
      Change Oil in Travel Reduction Device (One on Each Side of Unit)...793
      Change Radiator Coolant...794
      Clean Fuel Injection Priming Pump Strainer...795
      Check Air Conditioner Refrigerant...796
      Check and Adjust Engine **...797
    2000 Hour / Yearly Service...798
      Perform All Daily, 50, 250, 500 and 1,000 Operating Hour Service Checks...798
      Check Alternator and Starter**...798
      Check All Rubber Anti-vibration Shock Mounts...798
      Perform and Record the Results of the Cycle Time Tests...798
      Inspect Machine to Check for Cracked or Broken Welds or Other Structural Damage...798
      Check, Adjust Valve Clearance **...798
      Check Head Bolt Torques...798
      Hydraulic Oil Exchange and Suction Strainer Cleaning...798
    4000 Hour / Biennial Service...801
      Major Parts - Periodic Replacement...801
    Venting and Priming Hydraulic System...802
      Main System Pump...802
      Hydraulic Cylinders...802
      Swing Motor...803
      Air Release of Travel Motor...803
      General Venting...803
    Handling of Accumulator...804
    Fuel Transfer Pump (Option)...805
    Electrical System...807
      Battery...807
      Fuses...809
    Air Conditioning System...811
      Check Control Panel...811
      Check Air Conditioner Hoses...811
      Check Condenser...811
      Check Magnetic Clutch...811
      Check Belt Tension...811
    Bucket...812
      Bucket Tooth Replacement...812
      Bucket O-ring Replacement...813
    Bucket Shimming Procedures...815
      New Bucket Installation...815
      Shimming Procedures for Installed Bucket...815
    Track Tension...816
    Bolt and Nut Inspection...818
    Maintenance in Special Conditions...819
    Long Term Storage...820
  Transportation...822
    Extension and Retraction of Track Frames...822
      General Description of Components...822
      Frame Retraction...823
      Frame Extension...824
    Loading and Unloading...825
    Lifting With Sling...828
  Troubleshooting...830
    Engine...830
    Hydraulic System...831
    Swing System...832
    Travel System...833
    Electrical System...833
  Specification...836
    Standard Specification...836
    Overall Dimensions...837
    Working Range...838
    Approximate Weight of Workload Materials...839
  Index...842

Daewoo Solar 470LC-V Excavator Repair Service Manual