John Deere 850JR Crawler Dozer Workshop Service & Repair Manual (TM10780) - PDF Download - TM10780 -John Deere 850JR Crawler Dozer Technical Manual - Repair.PDF
A complete service and repair guide for the John Deere Crawler Dozer 850JR, offering workshop-level instructions to service, fix, and rebuild the machine the way professional technicians do.
The John Deere Crawler Dozer 850 JR workshop service and repair manual contains:
* 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.
TM10780 -John Deere 850JR Crawler Dozer Technical Manual - Repair.PDF
TM10780 -John Deere 850JR Crawler Dozer Technical Manual - Repair.EPUB
Total Pages: 830 pages
File Format: PDF/EPUB/MOBI/AZW (PC/Mac/Android/Kindle/iPhone/iPad; bookmarked, ToC, Searchable, Printable)
Language: English
MAIN SECTIONS
Foreword
General Information
Safety
Torque Values
Tracks
Track System
Axles and Suspension Systems
Drive Axle Housing and Support
Axle Shaft, Bearings and Reduction Gears
Transmission
Control Linkage
Hydrostatic System
Engine
Removal and Installation
Engine Auxiliary Systems
Cold Weather Starting Aid
Cooling System
Engine Speed Control
External Exhaust Systems
External Fuel Supply Systems
Dampener Drive
Elements
Park Brake
Park Brake
Control Linkage
Hydraulic System
Equipment Attaching
Drawbar
Frames, Chassis, or Supporting Structure
Frame Installation
Frame Bottom Guards
Operator’s Station
Removal and Installation
Operator Enclosure
Seat and Seat Belt
Heating and Air Conditioning
Sheet Metal
Hood and Engine Enclosures
Safety, Convenience and Miscellaneous
Horn and Warning Devices
Winch
Winch Hydraulic System
Bulldozer
Blade
Frames
Hydraulic System
Ground Conditioning Tool
Ripper
Reference Information
Reference Information-Operator's Manual
Dealer Fabricated Tools
tm10780 - 850JR Crawler Dozer
Table of Contents
Foreword
Section 00: General Information
Group 0001: Safety
Recognize Safety Information
Follow Safety Instructions
Operate Only If Qualified
Wear Protective Equipment
Avoid Unauthorized Machine Modifications
Inspect Machine
Stay Clear of Moving Parts
Avoid High-Pressure Fluids
Avoid High-Pressure Oils
Beware of Exhaust Fumes
Prevent Fires
Prevent Battery Explosions
Handle Chemical Products Safely
Dispose of Waste Properly
Prepare for Emergencies
Cab Guarding For Special Uses
Use Steps and Handholds Correctly
Start Only From Operator's Seat
Use and Maintain Seat Belt
Prevent Unintended Machine Movement
Use Ground Guide
Avoid Work Site Hazards
Keep Riders Off Machine
Avoid Backover Accidents
Avoid Machine Tip Over and Machine Damage
Add and Operate Attachments Safely
Park and Prepare for Service Safely
Service Cooling System Safely
Remove Paint Before Welding or Heating
Make Welding Repairs Safely
Drive Metal Pins Safely
Group 0003: Torque Values
Metric Bolt and Cap Screw Torque Values
Additional Metric Cap Screw Torque Values
Unified Inch Bolt and Cap Screw Torque Values
Service Recommendations for 37° Flare and 30° Cone Seat Connectors
Service Recommendations for O-Ring Boss Fittings
Service Recommendations for Flared Connections—Straight or Tapered Threads
Service Recommendations for Flat Face O-Ring Seal Fittings
O-Ring Face Seal Fittings With SAE Inch Hex Nut and Stud End for High-Pressure Service Recommendations
O-Ring Face Seal Fittings With Metric Hex Nut and Stud End for Standard Pressure Service Recommendations
O-Ring Face Seal Fittings With Metric Hex Nut and Stud End for High-Pressure Service Recommendations
Service Recommendations for Metric Series Four Bolt Flange Fitting
Service Recommendations For Inch Series Four Bolt Flange Fittings
Inch Series Four Bolt Flange Fitting for High-Pressure Service Recommendations
Service Recommendations For Non-Restricted Banjo (Adjustable) Fittings
Service Recommendations For O-Ring Boss Fittings With Shoulder
Metric 24° O-Ring Seal DIN 20078 Service Recommendations
Section 01: Tracks
Group 0130: Track System
Welding On Machine
Track Guides and Rock Guards Remove and Install
Carrier Roller Wear Inspection
Carrier Roller Remove and Install
Carrier Roller Disassemble and Assemble
Metal Face Seals Inspection
Carrier Roller Leakage Test
Track Roller Wear Inspection
Track Roller Remove and Install
Track Roller Disassemble and Assemble
Track Roller Leakage Test
Track Shoe Grouser Wear Inspection
Track Shoe Remove and Install
Pivot Shaft Remove and Install
Crossbar Remove and Install
Crossbar Disassemble and Assemble
Track Link Height Inspection
Bushing Outside Diameter for Lubricated Track Chain Inspection
Track Pitch for Lubricated Track Chain Inspection
Lubricated Track Chain Remove and Install
Lubricated Track Chain to Turn Bushings and Lubricate Chain Assemble
Lubricated Track Chain to Turn Pins and Bushings and Not Lubricate Disassemble and Assemble
Track Sag Adjustment
Track Adjuster Cylinder and Recoil Spring Remove and Install
Track Adjuster Recoil Spring Disassemble and Assemble
Track Adjuster Cylinder Disassemble and Assemble
Track Frame Remove and Install
Front Idler Wear Inspection
Front Idler Remove and Install
Front Idler Disassemble and Assemble
Front Idler Adjustment
Front Idler Oil Leakage Test
Sprocket Segment Remove and Install
Section 02: Axles and Suspension Systems
Group 0201: Drive Axle Housing and Support
Final Drive Remove and Install
Group 0250: Axle Shaft, Bearings and Reduction Gears
Planet Carrier Remove and Install
Planet Carrier Disassemble and Assemble
Ring Gear and Hub Remove and Install
Ring Gear and Hub Disassemble and Assemble
Final Drive Metal Face Seal Remove and Install
Final Drive Seal Leakage Check
Inner Final Drive Housing Remove and Install
Inner Final Drive Housing Disassemble and Assemble
Section 03: Transmission
Group 0315: Control Linkage
Transmission Control Lever (TCL) Remove and Install
Transmission Control Lever (TCL) Disassemble and Assemble
Group 0360: Hydrostatic System
Hydrostatic Pump Remove and Install
Hydrostatic Pump Disassemble
Charge Pump Disassemble and Assemble
Pump Displacement Control Valve (PDCV) Disassemble and Assemble
Multi-Function Valve Remove and Install
Multi-Function Valve Disassemble and Assemble
Hydrostatic Pump Assemble
Hydrostatic Motor Remove and Install
Hydrostatic Motor Disassemble
Hydrostatic Motor Assemble
Hydraulic Integrated Circuit (HIC) Valve Remove and Install
Hydraulic Integrated Circuit (HIC) Valve Disassemble and Assemble
Hydrostatic Reservoir Remove and Install
Hydraulic Fan Motor Remove and Install
Hydraulic Fan Pump Remove and Install
Hydraulic Fan Reversing Valve Remove and Install
Hydraulic Fan Reversing Valve Disassemble and Assemble
Section 04: Engine
Group 0400: Removal and Installation
Engine Remove and Install
Oil Pan Remove and Install
Flywheel Remove and Install
Engine Mounts Remove and Install
Section 05: Engine Auxiliary Systems
Group 0505: Cold Weather Starting Aid
Starting Aid Assembly Remove and Install
Group 0510: Cooling System
Fan Remove and Install
Cooling Package Remove and Install
Group 0515: Engine Speed Control
Decelerator/Brake Pedal Remove and Install
Decelerator/Brake Pedal Disassemble and Assemble
Group 0530: External Exhaust Systems
Muffler Remove and Install
Group 0560: External Fuel Supply Systems
Fuel Tank Remove and Install
Section 07: Dampener Drive
Group 0752: Elements
Dampener Drive Remove and Install
Section 11: Park Brake
Group 1100: Park Brake
Park Brake Remove and Install
Group 1115: Control Linkage
Park Lock Linkage Remove and Install
Park Lock Linkage Disassemble and Assemble
Group 1160: Hydraulic System
Park Brake Disassemble and Assemble
Section 15: Equipment Attaching
Group 1511: Drawbar
Rigid Drawbar Remove and Install
Section 17: Frames, Chassis, or Supporting Structure
Group 1740: Frame Installation
Welding Repair of Major Structures
Group 1746: Frame Bottom Guards
Bottom Guards Remove and Install
Section 18: Operator’s Station
Group 1800: Removal and Installation
Standard Cab Remove
Standard Cab Install
Armored Cab Remove
Armored Cab Install
Standard Cab Height Reduction—Top Half Remove
Standard Cab Height Reduction—Top Half Install
Armored Cab Height Reduction—Top Half Remove
Armored Cab Height Reduction—Top Half Install
Group 1810: Operator Enclosure
Window Remove and Install
Armored Cab Window Remove and Install
Windowpanes Remove and Install
Group 1821: Seat and Seat Belt
Seat Disassemble and Assemble
Group 1830: Heating and Air Conditioning
R134a Refrigerant Cautions
R134a Compressor Oil Charge Check
R134a Compressor Oil Removal
R134a Component Oil Charge
Leakage Testing
R134a Refrigerant Recovery, Recycling and Charging Station Installation Procedure
Recover R134a System
Evacuate R134a System
Charge R134a System
Air Conditioner System Cleaning Procedures
Purge R134a System
Flush R134a System
Evaporator or Heater Core Remove and Install
Expansion Valve Remove and Install
Air Conditioner Freeze Switch Remove and Install
Upper Cab Heater Blower Motor and Heater Blower Resistor Remove and Install
Cab Upper Heater Disassemble and Assemble
Receiver-Dryer Remove and Install
Condenser Remove and Install
Compressor Remove and Install
Compressor Clutch Disassemble and Assemble
Clutch Hub Clearance Check
Compressor Manifold Inspect
Compressor Disassemble and Assemble
Section 19: Sheet Metal
Group 1910: Hood and Engine Enclosures
Hood Remove and Install
Engine Side Shields Remove and Install
Hood Support Remove and Install
Section 20: Safety, Convenience and Miscellaneous
Group 2004: Horn and Warning Devices
Backup Alarm Remove and Install
Backup Alarm Volume Adjustment
Section 30: Winch
Group 3060: Winch Hydraulic System
Winch Install
Winch Remove
Section 32: Bulldozer
Group 3201: Blade
Cutting Edges and End Bits Remove and Install
Blade Remove
Blade Install
Group 3240: Frames
Outside Dozer Pushbeams Remove
Outside Dozer Pushbeams Install
Group 3260: Hydraulic System
Hydraulic Pump Remove and Install
Hydraulic Pump Disassemble and Assemble
Hydraulic Pump Control Valve Disassemble and Assemble
Hydraulic Reservoir Remove and Install
Hydraulic Reservoir Cleanout Cover Remove and Install
Hydraulic Control Valve Remove and Install
Hydraulic Control Valve Disassemble and Assemble
Pilot Control Valve Remove and Install
Pilot Control Valve Disassemble and Assemble
Quick-Drop Valve Remove and Install
Blade Lift, Tilt, and Ripper Hydraulic Cylinder Disassemble