John Deere 850J-II Crawler Dozer Repair Service Manual (TM14231X19)
Complete Repair Service Technical Manual for John Deere 850J-II Crawler Dozer (PIN: 1T0850JJ_ _D306725— ), with all the technical information to maintain, repair, and rebuild like professional mechanics.
John Deere 850J-II Crawler Dozer (PIN 1T0850JJ_ _D306725— ) 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.
PRODUCT DETAILS:
Total Pages: 630 pages
File Format: PDF/EPUB/MOBI/AZW (PC/Mac/Android/Kindle/iPhone/iPad; bookmarked, ToC, Searchable, Printable)
Language: English
TM14231X19 (18APR19) - John Deere 850J-II Crawler Dozer (PIN 1T0850JJ_ _D306725— ) REPAIR TECHNICAL MANUAL.PDF
tm14231x19 - 850J-II Crawler Dozer Technical Manual - Repair.EPUB
MAIN SECTIONS
Contents...5
General Information...7
Safety...9
Information for European Union Directives and Eurasian Economic Union Technical Regulations Compliance...9
Recognize Safety Information...10
Follow Safety Instructions...11
Operate Only If Qualified...11
Wear Protective Equipment...11
Avoid Unauthorized Machine Modifications...12
Inspect Machine...12
Stay Clear of Moving Parts...12
Avoid High-Pressure Fluids...13
Avoid High-Pressure Oils...13
Work In Ventilated Area...13
Avoid Static Electricity Risk When Refueling...14
High Debris Applications...14
Prevent Fires...15
In Case of Machine Fire...15
Prevent Battery Explosions...16
Handle Chemical Products Safely...16
Handle Starting Fluid Safely...16
Decommissioning ? Proper Recycling and Disposal of Fluids and Components...17
Prepare for Emergencies...17
Clean Debris from Machine...18
Add Cab Guarding for Special Uses...18
Use Steps and Handholds Correctly...18
Start Only From Operator's Seat...18
Use and Maintain Seat Belt...19
Prevent Unintended Machine Movement...19
Avoid Work Site Hazards...20
Keep Riders Off Machine...20
Avoid Backover Accidents...21
Avoid Machine Tip Over and Machine Damage...21
Use Special Care When Operating...21
Inspect and Maintain ROPS...22
Travel Safely...22
Prevent Acid Burns...23
Add and Operate Attachments Safely...23
Park and Prepare for Service Safely...24
Service Machines Safely...24
Service Cooling System Safely...24
Remove Paint Before Welding or Heating...25
Make Welding Repairs Safely...25
Drive Metal Pins Safely...25
Use Proper Lifting Equipment...26
Torque Values...27
Metric Bolt and Cap Screw Torque Values...27
Additional Metric Cap Screw Torque Values...28
Unified Inch Bolt and Cap Screw Torque Values...29
Service Recommendations for 37? Flare and 30? Cone Seat Connectors...30
Service Recommendations for O-Ring Boss Fittings...30
O-Ring Boss Fittings In Aluminum Housing Service Recommendations?Excavators...32
Service Recommendations for Flared Connections?Straight or Tapered Threads...33
Service Recommendations For Flat Face O-Ring Seal Fittings...34
O-Ring Face Seal Fittings With SAE Inch Hex Nut And Stud End For High Pressure Service Recommendations...35
O-Ring Face Seal Fittings With Metric Hex Nut And Stud End For Standard Pressure Service Recommendations...37
O-Ring Face Seal Fittings With Metric Hex Nut And Stud End For High Pressure Service Recommendations...39
Service Recommendations for Metric Series Four Bolt Flange Fitting...41
Service Recommendations For Inch Series Four Bolt Flange Fittings...42
Inch Series Four Bolt Flange Fitting For High Pressure Service Recommendations...43
Service Recommendations For Non-Restricted Banjo (Adjustable) Fittings...44
Service Recommendations For O-Ring Boss Fittings With Shoulder...45
Metric 24? O-Ring Seal DIN 20078 Service Recommendations...47
Tracks...49
Track System...51
Welding On Machine...51
Track Guides and Rock Guards Remove and Install...51
Carrier Roller Wear Inspection...54
Carrier Roller Remove and Install...55
Carrier Roller Disassemble and Assemble...56
Metal Face Seals Inspection...59
Carrier Roller Leakage Test...60
Track Roller Wear Inspection...60
Track Roller Remove and Install...61
Track Roller Disassemble and Assemble...63
Track Roller Leakage Test...72
Track Shoe Grouser Wear Inspection...73
Track Shoe Remove and Install...74
Pivot Shaft Remove and Install...75
Pivot Shaft Disassemble and Assemble...75
Crossbar Remove and Install...76
Crossbar Disassemble and Assemble...79
Track Link Height Inspection...80
Bushing Outside Diameter for Lubricated Track Chain Inspection...81
Track Pitch for Lubricated Track Chain Inspection...82
Lubricated Track Chain Remove and Install...82
Lubricated Track Chain to Turn Bushings and Lubricate Chain Disassemble...86
Lubricated Track Chain to Turn Bushings and Lubricate Chain Assemble...88
Lubricated Track Chain to Turn Pins and Bushings and Not Lubricate Disassemble and Assemble...95
Track Sag Adjustment...100
Track Adjuster Cylinder and Recoil Spring Remove and Install...101
Track Adjuster Recoil Spring Disassemble and Assemble...103
Track Adjuster Cylinder Disassemble and Assemble...112
Track Frame Remove and Install...114
Front Idler Wear Inspection...119
Front Idler Remove and Install...119
Front Idler Disassemble and Assemble...125
Front Idler Adjustment...131
Front Idler Oil Leakage Test...133
Sprocket Segment Remove and Install...134
Axles and Suspension Systems...135
Drive Axle Housing and Support...137
Final Drive Remove and Install...137
Axle Shaft, Bearings and Reduction Gears...141
Planet Carrier Remove and Install...141
Planet Carrier Disassemble and Assemble...142
Ring Gear and Hub Remove and Install...143
Ring Gear and Hub Disassemble and Assemble...144
Final Drive Metal Face Seal Remove and Install...145
Inner Final Drive Housing Remove and Install...150
Inner Final Drive Housing Cover Disassemble and Assemble...152
Final Drive Seal Leakage Check...157
Transmission...159
Remove and Install...161
Hydrostatic Pump Remove and Install...161
Hydrostatic Motor Remove and Install...167
Control Linkage...171
Transmission Control Lever (TCL) Remove and Install...171
Transmission Control Lever (TCL) Disassemble and Assemble...172
Hydrostatic System...189
Hydrostatic Pump Disassemble...189
Charge Pump Disassemble and Assemble...195
Pump Displacement Control Valve (PDCV) Disassemble and Assemble...199
Multi-Function Valve Remove and Install...200
Multi-Function Valve Disassemble and Assemble...200
Hydrostatic Pump Assemble...202
Hydrostatic Motor Disassemble...218
Hydrostatic Motor Assemble...229
Hydraulic Integrated Circuit (HIC) Valve Remove and Install...244
Hydraulic Integrated Circuit (HIC) Valve Disassemble and Assemble...246
Hydrostatic Reservoir Remove and Install...248
Hydraulic Fan Motor Remove and Install...250
Hydraulic Fan Pump Remove and Install...251
Hydraulic Fan Reversing Valve Remove and Install...252
Hydraulic Fan Reversing Valve Disassemble and Assemble...253
Engine...255
Removal and Installation...257
Engine Remove and Install...257
Flywheel Remove and Install...263
Engine Mounts Remove and Install...266
Engine Auxiliary Systems...269
Cold Weather Starting Aid...271
Glow Plugs...271
Cooling System...273
Fan Blade Remove and Install...273
Fan Shroud Remove and Install...273
Cooling Package Remove and Install...275
Engine Speed Control...281
Decelerator/Brake Pedal Remove and Install...281
Decelerator/Brake Pedal Disassemble and Assemble...282
External Exhaust Systems...287
Muffler Remove and Install...287
External Fuel Supply Systems...289
Fuel Tank Remove and Install...289
Auxiliary Water Separator Fuel Filter Remove and Install?If Equipped...291
Damper Drive...293
Elements...295
Damper Drive Remove and Install...295
Park Brake...297
Park Brake...299
Park Brake Remove and Install...299
Control Linkage...300
Park Lock Linkage Remove and Install...300
Park Lock Linkage Disassemble and Assemble...301
Hydraulic System...303
Park Brake Disassemble and Assemble...303
Equipment Attaching...309
Drawbar...311
Extended Rigid Drawbar Remove and Install...311
Rigid Drawbar Remove and Install...312
Frames, Chassis, or Supporting Structure...313
Frame Installation...315
Welding Repair of Major Structures...315
Frame Bottom Guards...317
Bottom Guards Remove and Install...317
Chassis Weights...319
Front Counterweight Remove and Install...319
Rear Counterweight Remove and Install...321
Additional Rear Counterweight Remove and Install (If Equipped)...323
Operator?s Station...327
Removal and Installation...329
Cab/ROPS Remove and Install...329
Operator Enclosure...333
Remove and Install Window...333
Remove and Install Windowpanes...334
Hand Pump Bleed Procedure...334
Wiper Arm Installation...335
Seat and Seat Belt...337
Disassemble and Assemble Seat...337
Heating and Air Conditioning...343
R134a Refrigerant Cautions...343
R134a Compressor Oil Charge Check...343
R134a Compressor Oil Removal...343
R134a Component Oil Charge...344
Leakage Testing...345
R134a Refrigerant Recovery, Recycling and Charging Station Installation Procedure...345
Recover R134a System...346
Evacuate R134a System...347
Charge R134a System...348
Air Conditioner System Cleaning Procedures...349
Purge R134a System...349
Flush R134a System...350
Evaporator or Heater Core Remove and Install...351
Expansion Valve Remove and Install...353
A/C Freeze Switch Remove and Install...353
Upper Cab Heater Blower Motor and Heater Blower Resistor Remove and Install...354
Cab Upper Heater Disassemble and Assemble...356
Cab or ROPS Under Seat Heater Disassemble and Assemble...358
Receiver-Dryer Remove and Install...360
Condenser Remove and Install...360
Compressor Remove and Install...361
Compressor Clutch Disassemble and Assemble...363
Clutch Hub Clearance Check...364
Compressor Manifold Inspect...364
Compressor Disassemble and Assemble...365
Sheet Metal...369
Hood and Engine Enclosures...371
Hood Remove and Install...371
Engine Side Shields Remove and Install...373
