John Deere 870GLC Excavator REPAIR TECHNICAL MANUAL TM12182 – PDF DOWNLOAD

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John Deere 870GLC Excavator REPAIR TECHNICAL MANUAL TM12182 – PDF DOWNLOAD

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John Deere 870GLC Excavator REPAIR TECHNICAL MANUAL TM12182 – PDF DOWNLOAD

Language : English
Pages :462
Downloadable : Yes
File Type : PDF

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John Deere 870GLC Excavator REPAIR TECHNICAL MANUAL TM12182 – PDF DOWNLOAD

Foreword

• This manual is written for an experienced technician. Essential tools required in performing certain service work are identified in this manual and are recommended for use. Live with safety: Read the safety messages in the introduction of this manual and the cautions presented throughout the text of the manual.
• This is the safety-alert symbol. When you see this symbol on the machine or in this manual, be alert to the potential for personal injury. Technical manuals are divided in two parts: repair and operation and tests. Repair sections tell how to repair the components. Operation and tests sections help you identify the majority of routine failures quickly.
• Information is organized in groups for the various components requiring service instruction. At the beginning of each group are summary listings of all applicable essential tools, service equipment and tools, other materials needed to do the job, service parts kits, specifications, wear tolerances, and torque values.
• Technical Manuals are concise guides for specific machines. They are on-the-job guides containing only the vital information needed for diagnosis, analysis, testing, and repair. Fundamental service information is available from other sources covering basic theory of operation, fundamentals of troubleshooting, general maintenance, and basic type of failures and their causes

TABLE OF CONTENTS:

John Deere 870GLC Excavator REPAIR TECHNICAL MANUAL TM12182 – PDF DOWNLOAD

Contents 5
General Information 7
Safety 9
Recognize Safety Information 9
Follow Safety Instructions 9
Operate Only If Qualified 9
Wear Protective Equipment 10
Avoid Unauthorized Machine Modifications 10
Add Cab Guarding for Special Uses 10
Inspect Machine 10
Stay Clear of Moving Parts 11
Avoid High-Pressure Fluids 11
Avoid High-Pressure Oils 11
Work In Ventilated Area 12
Prevent Fires 12
Prevent Battery Explosions 13
Handle Chemical Products Safely 13
Dispose of Waste Properly 13
Exhaust Filter Ash Handling and Disposal 14
Prepare for Emergencies 14
Clean Debris from Machine 14
Use Steps and Handholds Correctly 14
Start Only From Operator’s Seat 15
Use and Maintain Seat Belt 15
Prevent Unintended Machine Movement 15
Avoid Work Site Hazards 16
Keep Riders Off Machine 16
Avoid Backover Accidents 17
Avoid Machine Tip Over 17
Use Special Care When Lifting Objects 18
Add and Operate Attachments Safely 18
Park and Prepare for Service Safely 18
Service Cooling System Safely 19
Remove Paint Before Welding or Heating 19
Make Welding Repairs Safely 19
Drive Metal Pins Safely 20
Clean Exhaust Filter Safely 21
Torque Values 23
Metric Bolt and Cap Screw Torque Values 23
Additional Metric Cap Screw Torque Values 24
Unified Inch Bolt and Cap Screw Torque Values 25
Service Recommendations for 37° Flare and 30° Cone Seat Connectors 26
Service Recommendations for O-Ring Boss Fittings 26
Service Recommendations For Flared Connections—Straight or Tapered Threads 28
Service Recommendations For Flat Face O-Ring Seal Fittings 29
O-Ring Boss Fittings In Aluminum Housing Service Recommendations—Excavators 30
O-Ring Face Seal Fittings With SAE Inch Hex Nut And Stud End For High Pressure Service Recommendations 31
O-Ring Face Seal Fittings With Metric Hex Nut And Stud End For Standard Pressure Service Recommendations 33
O-Ring Face Seal Fittings With Metric Hex Nut And Stud End For High Pressure Service Recommendations 35
Service Recommendations for Metric Series Four Bolt Flange Fitting 37
Service Recommendations For Inch Series Four Bolt Flange Fittings 38
Inch Series Four Bolt Flange Fitting For High Pressure Service Recommendations 39
Service Recommendations For Non-Restricted Banjo (Adjustable) Fittings 40
Service Recommendations For O-Ring Boss Fittings With Shoulder 41
Metric 24° O-Ring Seal DIN 20078 Service Recommendations 43
Tracks 45
Track System 47
Track Roller Remove and Install 47
Track Roller Disassemble and Assemble 49
Track Roller Pressure Test 52
Track Carrier Roller Remove and Install 53
Track Carrier Roller Disassemble and Assemble 54
Metal Face Seal Inspection 55
Track Shoe Remove and Install 56
Track Chain Remove and Install 57
Track Chain Disassemble and Assemble 59
Track Chain Repair to Replace Broken Part 61
Sprocket Remove and Install 67
Front Idler Remove and Install 68
Front Idler Disassemble and Assemble 69
Front Idler Pressure Test 73
Track Adjuster and Recoil Spring Remove and Install 75
Track Adjuster and Recoil Spring Disassemble and Assemble 76
Track Adjuster Cylinder Disassemble and Assemble 78
Axles and Suspension Systems 79
Axle Shaft, Bearings, and Reduction Gears 81
Travel Gear Case Remove and Install 81
Travel Gear Case Disassemble and Assemble 83
Hydraulic System 91
Travel Motor and Park Brake Remove and Install 91
Travel Motor Disassemble and Assemble 93
Park Brake Disassemble and Assemble 96
Counterbalance Valve Remove and Install 97
Crossover Relief Valves Remove and Install 97
Make-Up Check Valve Remove and Install 97
Travel Speed Selector Valve Remove and Install 97
Travel Motor and Park Brake Start-Up Procedure 98
Engine 99
Removal and Installation101
Engine Remove and Install101
Turbocharger Remove and Install109
Starter Motor Remove and Install112
Belt Remove and Install113
Alternator Remove and Install114
Engine Auxiliary System115
Cooling Systems117
Radiator Remove and Install117
Hydraulic Oil Cooler Remove and Install119
Intercooler Remove and Install119
Fuel Cooler Remove and Install121
Cooling Package Remove and Install122
Fan, Fan Guard, and Fan Shroud Remove and Install126
Engine Radiator Fan Motor Remove and Install127
Engine Radiator Fan Motor Disassemble and Assemble130
Engine Radiator Fan Drive Speed and Reversing Control Valve Remove and Install131
Coolant Recovery Tank Remove and Install132
Intake System133
Air Intake System Leakage Test133
Air Cleaner Remove and Install133
External Exhaust System137
Exhaust Tube Remove and Install137
Diesel Particulate Filter (DPF) Remove and Install137
Exhaust Filter Remove and Install138
Exhaust Filter Disassemble and Assemble140
External Fuel Supply Systems145
Fuel Tank Remove and Install145
Primary Fuel Filter and Water Separator Remove and Install150
Final Fuel Filter and Water Separator Remove and Install151
Splitter Drive153
Removal and Installation155
Pump Drive Gear Case Remove and Install155
Gear, Shaft, and Bearings159
Pump Drive Gear Case Disassemble and Assemble159
Frame or Supporting Structure163
Frame Installation165
Welding On Machine165
Welding Repair of Major Structure165
Chassis Weights167
Counterweight Remove and Install167
Operator’s Station169
Removal and Installation171
Cab Remove and Install171
Operator Enclosure177
Windshield Remove and Install177
Windshield Disassemble and Assemble178
Sliding Windows Remove and Install183
Windowpanes Remove and Install183
Windowpane Dimensions184
Seat and Seat Belt193
Seat Remove and Install193
Seat Belt Remove and Install194
Air Suspension Seat Disassemble and Assemble196
Left and Right Console Covers Remove and Install197
Heating and Air Conditioning205
Refrigerant Cautions and Proper Handling205
Flush and Purge Air Conditioner System206
R134a Refrigerant Oil Information208
R134a Refrigerant Recovery-Recycling and Charging Station Installation Procedure209
Recover R134a Refrigerant209
Evacuate R134a System210
Charge R134a System211
Air Conditioner Compressor Remove and Install212
Air Conditioner Compressor Clutch Remove and Install213
Condenser Remove and Install214
Heater and Air Conditioner Remove and Install215
Receiver-Dryer Remove and Install218
Sheet Metal219
Hood and Engine Enclosure221
Hood Remove and Install221
Engine Side Shields Remove and Install222
Grille and Grille Housing229
Cooling Package Door Remove and Install229
Excavator232
Buckets233
Bucket Remove and Install233
Bucket Pin-Up Data236
Frames237
Bucket Links Remove and Install237
Arm Remove and Install238
Boom Remove and Install242
Inspect Pins, Bushings and Bosses-Front Attachment248
Bushings and Seal Remove and Install250
Hydraulic System251
Apply Vacuum to Hydraulic Oil Tank251
Hydraulic Circuit Pressure Release Procedure251
Pump 1 and 2 Remove and Install252
Pump 1 and 2 Disassemble and Assemble260
Pump 1 and 2 Inspection263
Pump 1 and 2 Start-Up Procedure264
Pump 1 and 2 Regulator Remove and Install265
Pump 1 and 2 Regulator Disassemble and Assemble266
Pilot Pump Remove and Install268
Pilot Pump Disassemble and Assemble270
Pilot Filter and Pressure Regulating Valve Remove and Install271
Pilot Filter and Pressure Regulating Valve Disassemble and Assemble272
Pilot Shutoff Solenoid Valve Remove and Install272
Pilot Shutoff Solenoid Valve Disassemble and Assemble273
Fan Drive Pump Remove and Install275
Fan Drive Pump Disassemble and Assemble276
Fan Drive Pump Regulator Remove and Install279
Fan Drive Pump Regulator Disassemble and Assemble280
Fan Drive Reversing Control Valve Disassemble and Assemble282
Fan Drive System Relief Valve Remove and Install283
Hydraulic Oil Cooler Fan Motor Remove and Install284
Hydraulic Oil Cooler Fan Motor Disassemble and Assemble290
Hydraulic Oil Cooler Fan Drive Speed and Reversing Control Valve Remove and Install291
Solenoid Valve Manifold (4-Spool) Remove and Install292
Solenoid Valve Remove and Install-Travel Speed (SC), Exhaust Filter Regulator (SF), Power Dig (SI), and Arm Flow Rate (SF)293
Solenoid Valve Manifold (2-Spool) Remove and Install294
Solenoid Valve Remove and Install-Swing Flow Rate (SI) and Boom Mode (SC)295
Pump Case Drain Filter and Bypass Valve Remove and Install296
Pilot Valve (Left and Right) Remove and Install296
Pilot Valve (Left and Right) Disassemble and Assemble298
Boom Up Shockless Valve Remove and Install304
Boom Up Shockless Valve Disassemble and Assemble305
Travel Pilot Control Valve Remove and Install305
Travel Pilot Control Valve Disassemble and Assemble307
Pilot Accumulator Remove and Install309
Pilot Check Valve Manifold Remove and Install310
Pilot Signal Manifold Remove and Install311
Pilot Signal Manifold Disassemble and Assemble314
Counterweight Pilot Control Valve Remove and Install—If Equipped317
Counterweight Pilot Control Valve Disassemble and Assemble318
Counterweight Slow Return Valve Remove and Install—If Equipped318
Counterweight Shutoff Valve Remove and Install—If Equipped319
Counterweight Check Valve Remove and Install—If Equipped319
Control Valve Remove and Install320
Control Valve Disassemble and Assemble325
Left Control Valve (5-Spool) Disassemble and Assemble326
Right Control Valve (4-Spool) Disassemble and Assemble347
Hydraulic Oil Tank Remove and Install367
Hydraulic Oil Tank Disassemble and Assemble373
Hydraulic Oil Restriction Valve Remove and Install375
Hydraulic Oil Cooler Bypass Valve Remove and Install376
Hydraulic Oil Cooler Remove and Install377
Boom Cylinder Remove and Install382
Boom Cylinder Disassemble and Assemble385
Arm Cylinder Remove and Install388
Arm Cylinder Disassemble and Assemble391
Bucket Cylinder Remove and Install394
Bucket Cylinder Disassemble and Assemble398
Counterweight Cylinder Remove and Install—If Equipped401
Counterweight Cylinder Disassemble and Assemble403
Counterweight Removal Device Remove and Install—If Equipped404
Hydraulic Cylinder Bleed Procedure405
Swing System407
Mechanical Drive Elements409
Swing Gear Case Remove and Install409
Swing Gear Case Disassemble and Assemble413
Swing Gear Case Start-Up Procedure419
Upperstructure Remove and Install419
Swing Bearing Remove and Install420
Swing Bearing Disassemble and Assemble423
Swing Bearing Upper Seal Install425
Swing Bearing Lower Seal Install426
Hydraulic System427
Center Joint Remove and Install427
Center Joint Disassemble and Assemble430
Center Joint Air Test433
Swing Motor and Park Brake Remove and Install434
Swing Motor and Park Brake Disassemble and Assemble438
Swing Motor and Park Brake Start-Up Procedure441
Swing Motor Crossover Relief Valve Remove and Install442
Swing Motor Make-Up Check Valve Remove and Install443
Swing Park Release Valve Remove and Install444
Dealer Fabricated Tools445
Dealer Fabricated Tools447
DF1063 Lift Bracket447
DFT1130 Adapter449
Center Joint (Rotary Manifold) Lifting Tool450
DFT1119 Pump Support451
DFT1220 Swing Gear Case Nut Spanner Wrench452
Page Number 5
Section 00 7
Group 0001 9
Group 0003 23
Section 01 45
Group 0130 47
Section 02 79
Group 0250 81
Group 0260 91
Section 04 99
Group 0400101
Section 05115
Group 0510117
Group 0520133
Group 0530137
Group 0560145
Section 08153
Group 0800155
Group 0851159
Section 17163
Group 1740165
Group 1749167
Section 18169
Group 1800171
Group 1810177
Group 1821193
Group 1830205
Section 19219
Group 1910221
Group 1921229
Section 33232
Group 3302233
Group 3340237
Group 3360251
Section 43407
Group 4350409
Group 4360427
Section 99445
Group 9900447

S.M 6/1/25