Complete Repair Service Technical Manual for John Deere 30G Excavators, with all the workshop information to maintain, repair, and rebuild like professional mechanics.

John Deere 30G Excavator workshop technical manual (repair) 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.
* 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.

TM14235X19 - John Deere 30G Excavator Technical Manual - Repair.pdf
tm14235x63 - John Deere Excavadora 30G.pdf
tm14235x28 - John Deere Excavatrice 30G.pdf

PRODUCT DETAILS:
Total Pages: 587 pages
File Format: PDF (bookmarked, ToC, Searchable, Printable)
Category: Repair
Language: English Spanish French
Published on 2019/12/30

TABLE OF CONTENTS
Section 00: General Information...9
  Group 0001: Safety...9
    Safety and Operator Convenience Features...14
    Recognize Safety Information...16
    Follow Safety Instructions...17
    Operate Only If Qualified...18
    Wear Protective Equipment...19
    Avoid Unauthorized Machine Modifications...20
    Control Pattern...21
    Control Pattern Selector—If Equipped...22
    Inspect Machine...23
    Stay Clear of Moving Parts...24
    Avoid High-Pressure Fluids...25
    Avoid High-Pressure Oils...26
    Work In Ventilated Area...27
    Avoid Static Electricity Risk When Refueling...28
    High Debris Applications...30
    Prevent Fires...31
    In Case of Machine Fire...32
    Prevent Battery Explosions...33
    Handle Chemical Products Safely...34
    Handle Starting Fluid Safely...35
    Decommissioning — Proper Recycling and Disposal of Fluids and Components...36
    Prepare for Emergencies...37
    Clean Debris from Machine...38
    Add Cab Guarding for Special Uses...39
    Use Steps and Handholds Correctly...40
    Start Only From Operator's Seat...41
    Use and Maintain Seat Belt...42
    Prevent Unintended Machine Movement...43
    Avoid Work Site Hazards...44
    Keep Riders Off Machine...46
    Avoid Backover Accidents...47
    Avoid Machine Tip Over and Machine Damage...48
    Use Special Care When Lifting Objects...50
    Use Care When Swinging Machine...51
    Operate Boom With Care...52
    Avoid Power Lines...53
    Inspect and Maintain ROPS...54
    Travel Safely...55
    Prevent Acid Burns...56
    Add and Operate Attachments Safely...58
    Park and Prepare for Service Safely...59
    Service Machines Safely...60
    Service Cooling System Safely...61
    Remove Paint Before Welding or Heating...62
    Make Welding Repairs Safely...63
    Drive Metal Pins Safely...64
    Use Proper Lifting Equipment...65
    Safety Signs...66
  Group 0003: Torque Values...10
    Metric Bolt and Cap Screw Torque Values...76
    Additional Metric Cap Screw Torque Values...78
    Unified Inch Bolt and Cap Screw Torque Values...80
    Service Recommendations for 37° Flare and 30° Cone Seat Connectors...82
    Service Recommendations for O-Ring Boss Fittings...84
    Service Recommendations for Flared Connections—Straight or Tapered Threads...86
    Service Recommendations for Flat Face O-Ring Seal Fittings...88
    O-Ring Boss Fittings in Aluminum Housing Service Recommendations—Excavators...90
    O-Ring Face Seal Fittings With SAE Inch Hex Nut and Stud End for High-Pressure Service Recommendations...93
    O-Ring Face Seal Fittings With Metric Hex Nut and Stud End for Standard Pressure Service Recommendations...95
    O-Ring Face Seal Fittings With Metric Hex Nut and Stud End for High-Pressure Service Recommendations...98
    Service Recommendations for Metric Series Four Bolt Flange Fitting...101
    Service Recommendations For Inch Series Four Bolt Flange Fittings...103
    Inch Series Four Bolt Flange Fitting for High-Pressure Service Recommendations...105
    Service Recommendations For Non-Restricted Banjo (Adjustable) Fittings...107
    Service Recommendations For O-Ring Boss Fittings With Shoulder...110
    Metric 24° O-Ring Seal DIN 20078 Service Recommendations...113
Section 01: Tracks...117
  Group 0130: Track System...117
    Track Roller Remove and Install...120
    Track Carrier Roller Remove and Install...122
    Inspect Metal Face Seals...126
    Rubber Track Remove and Install...129
    Sprocket Remove and Install...134
    Front Idler Remove and Install...136
    Front Idler Disassemble and Assemble...138
    Track Adjuster and Recoil Spring Remove and Install...143
    Track Adjuster and Recoil Spring Disassemble and Assemble...144
Section 02: Axles and Suspension Systems (Travel)...152
  Group 0250: Axle Shaft, Bearings, and Reduction Gears...152
    Travel Gear Case Remove and Install...157
    Travel Gear Case Disassemble and Assemble...161
  Group 0260: Hydraulic System...152
    Travel Motor and Park Brake Remove and Install...172
    Travel Motor and Park Brake Disassemble and Assemble...173
    Park Brake Valve Disassemble and Assemble...184
    Travel Motor and Park Brake Start-Up Procedure...187
Section 04: Engine...189
  Group 0400: Removal and Installation...189
    Engine Remove and Install...201
Section 05: Engine Auxiliary System...212
  Group 0510: Cooling Systems...212
    Radiator Remove and Install...217
    Hydraulic Oil Cooler Remove and Install...221
    Fan, Fan Guard, and Fan Shroud Remove and Install...228
    Coolant Recovery Tank Remove and Install...230
  Group 0560: External Fuel Supply Systems...212
    Fuel Tank Remove and Install...236
    Fuel Pump Remove and Install...240
Section 07: Damper Drive (Flex Coupling)...241
  Group 0752: Elements...241
    Damper Drive (Flex Coupling) Remove and Install...244
Section 17: Frame or Supporting Structure...246
  Group 1740: Frame Installation...246
    Welding on Machine...249
  Group 1749: Chassis Weights...246
    Counterweight Remove and Install...255
Section 18: Operator's Station...259
  Group 1800: Removal and Installation...259
    Cab Remove and Install...263
    Canopy Remove and Install...266
    Platform Remove and Install...270
  Group 1810: Operator Enclosure...259
    Windshield Remove and Install...281
    Windshield Disassemble and Assemble...283
    Windowpanes Remove and Install...288
    Windowpanes Dimensions...290
  Group 1821: Seat and Seat Belt...259
    Seat Remove and Install...298
    Seat Belt Remove and Install...299
  Group 1830: Heating and Air Conditioning...259
    R134a Refrigerant Cautions and Proper Handling...302
    Flush and Purge Air Conditioning System...303
    R134a Refrigerant Oil Information...306
    R134a Refrigerant Recovery, Recycling, and Charging Station Installation Procedure...308
    Recover R134a Refrigerant...310
    Evacuate R134a System...311
    Charge R134a System...313
    Air Conditioner Compressor Remove and Install...315
    Condenser Remove and Install...317
    Heater and Air Conditioner Remove and Install...319
    Receiver-Dryer Remove and Install...323
Section 32: Blade (Backfill)...325
  Group 3201: Blades...325
    Blade Remove and Install...329
    Blade Disassemble and Assemble...332
  Group 3260: Hydraulic System...325
    Blade Cylinder Remove and Install...336
    Blade Cylinder Disassemble and Assemble...339
    Blade Pilot Valve Remove and Install...343
    Blade Pilot Valve Disassemble and Assemble...347
Section 33: Excavator...350
  Group 3302: Buckets...350
    Bucket Remove and Install...353
    Bucket Pin-Up Data...354
  Group 3340: Frames...350
    Bucket Links Remove and Install...358
    Bucket Quick Coupler Remove and Install...360
    Arm Remove and Install...363
    Boom Remove and Install...367
    Boom Swing Post Remove and Install...372
    Inspect Pins and Bushings—Front Attachment and Blade...376
    Cylinder Specifications...381
    Bushing and Seal Remove and Install...382
  Group 3360: Hydraulic System...350
    Apply Vacuum to Hydraulic Oil Tank...386
    General Hydraulic Oil Cleanup Procedure...387
    Hydraulic Component Failure Cleanup Procedure...390
    Hydraulic Pump 1, 2, and 3 Remove and Install...393
    Hydraulic Pump 1, 2, and 3 Disassemble and Assemble...396
    Pilot Pump Remove and Install...413
    Pilot Pump Disassemble and Assemble...415
    Hydraulic Pump Start-Up Procedure...417
    Pilot Pressure Regulator and Solenoid Valve Manifold Remove and Install—Pilot Shutoff and Travel Speed Solenoids...418
    Pilot Pressure Regulator and Solenoid Valve Manifold Disassemble and Assemble—Pilot Shutoff and Travel Speed Valves...420
    Air Conditioner Torque Control Solenoid Valve Remove and Install...424
    Air Conditioner Torque Control Solenoid Valve Disassemble and Assemble...426
    Pilot Valve (Left and Right) Remove and Install...428
    Pilot Valve (Left and Right) Disassemble and Assemble...431
    Travel Pilot Valve Remove and Install...440
    Travel Pilot Valve Disassemble and Assemble...442
    Boom Swing Pilot Valve Remove and Install...447
    Boom Swing Pilot Valve Disassemble and Assemble...449
    Control Valve Remove and Install...452
    Control Valve Disassemble and Assemble...455
    Control Lever Pattern Selector Remove and Install...486
    Control Lever Pattern Selector Disassemble and Assemble...490
    Hydraulic Oil Tank Remove and Install...492
    Hydraulic Oil Tank Disassemble and Assemble...497
    Hydraulic Oil Cooler Bypass Valve Remove and Install...501
    Boom Cylinder Remove and Install...504
    Boom Cylinder Disassemble and Assemble...508
    Arm Cylinder Remove and Install...512
    Arm Cylinder Disassemble and Assemble...516
    Bucket Cylinder Remove and Install...520
    Bucket Cylinder Disassemble and Assemble...524
    Boom Swing Cylinder Remove and Install...528
    Boom Swing Cylinder Disassemble and Assemble...532
    Hydraulic Cylinder Bleed Procedure...536
Section 43: Swing or Pivoting System...537
  Group 4350: Mechanical Drive Elements...537
    Swing Gear Case Remove and Install...541
    Swing Gear Case Disassemble and Assemble...544
    Upperstructure Remove and Install...550
    Swing Bearing Remove and Install...554
  Group 4360: Hydraulic System...537
    Center Joint Remove and Install...563
    Center Joint Disassemble and Assemble...568
    Center Joint Air Test...572
    Swing Motor and Park Brake Remove and Install...573
    Swing Motor and Park Brake Disassemble and Assemble...576
    Swing Motor and Park Brake Start-Up Procedure...583
    Crossover Relief Valve and Make-Up Check Valve Remove and Install...585

John Deere 30G Excavator Repair Service Manual (TM14235X19)