Complete service repair manual for John Deere 80C Excavator, with workshop information to maintain, repair, and service like professional mechanics.

John Deere 80C Compact 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.
* 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.

TM1939 John Deere 80C Excavator Technical Manual - Repair.PDF
TM1939 John Deere 80C Excavator Technical Manual - Repair.epub

Total Pages: 604 pages
File Format: PDF/EPUB/MOBI/AZW (PC/Mac/Android/Kindle/iPhone/iPad; bookmarked, ToC, Searchable, Printable)
Language: English

MAIN SECTIONS
 Foreword
   Technical Information Feedback Form
   General Information
      Safety
      Torque Values
   Tracks
      Track System
   Axles and Suspension Systems
      Axle Shaft, Bearings, and Reduction Gears
      Hydraulic System
   Engine
      Removal and Installation
   Engine Auxiliary Systems
      Cooling System
      Speed Controls
      External Fuel Supply Systems
   Frame or Supporting Structure
      Frame Installation
      Chassis Weights
   Operator’s Station
      Removal and Installation
      Operator Enclosure
      Seat and Seat Belt
      Heating and Air Conditioning
   Bulldozers (Blade)
      Blades
      Hydraulic System
   Excavator
      Buckets
      Frames
      Hydraulic System
   Swing or Pivoting System
      Mechanical Drive Elements
      Hydraulic System
   Dealer Fabricated Tools

tm1939 - 80C Excavator Repair

Table of Contents

Foreword

Technical Information Feedback Form

Section 00: General Information

Group 0001: Safety

Recognize Safety Information

Follow Safety Instructions

Operate Only If Qualified

Wear Protective Equipment

Avoid Unauthorized Machine Modifications

Add Cab Guarding for Special Uses

Inspect Machine

Stay Clear of Moving Parts

Avoid High-Pressure Oils

Beware of Exhaust Fumes

Prevent Fires

Prevent Battery Explosions

Handle Chemical Products Safely

Dispose of Waste Properly

Prepare for Emergencies

Use Steps and Handholds Correctly

Start Only From Operator's Seat

Use and Maintain Seat Belt

Prevent Unintended Machine Movement

Avoid Work Site Hazards

Keep Riders Off Machine

Avoid Backover Accidents

Avoid Machine Tip Over

Use Special Care When Lifting Objects

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

Unified Inch Bolt and Screw Torque Values

Metric Bolt and Screw Torque Values

Additional Metric Cap Screw Torque Values

Check Oil Lines And Fittings

Service Recommendations for O-Ring Boss Fittings

Service Recommendations For Flat Face O-Ring Seal Fittings

Service Recommendations for 37° Flare and 30° Cone Seat Connectors

Service Recommendations For Flared Connections—Straight or Tapered Threads

Service Recommendations For Inch Series Four Bolt Flange Fittings

Service Recommendations for Metric Series Four Bolt Flange Fitting

Section 01: Tracks

Group 0130: Track System

Track Roller, Front Idler, and Carrier Roller Oil

Track Roller Remove and Install

Track Roller Disassemble and Assemble

Track Roller Oil Leakage Test

Track Carrier Roller Remove and Install

Track Carrier Roller Disassemble and Assemble

Metal Face Seals Inspection

Track Shoe Remove and Install

Track Chain Remove and Install

Track Chain Disassemble and Assemble

Broken Track Chain Repair

Sprocket Remove and Install

Front Idler Remove and Install

Front Idler Disassemble

Front Idler Assemble

Front Idler Oil Leakage Test

Track Adjuster Cylinder and Recoil Spring Remove and Install

Track Adjuster and Recoil Spring Disassemble and Assemble

Track Adjuster Cylinder Disassemble and Assemble

Section 02: Axles and Suspension Systems

Group 0250: Axle Shaft, Bearings, and Reduction Gears

Propel Gearbox Remove and Install

Propel Gearbox Disassemble and Assemble

Group 0260: Hydraulic System

Propel Motor Remove and Install

Propel Motor Disassemble and Assemble

Propel Motor Valve Housing Disassemble and Assemble

Propel Motor Start-Up Procedure

Rotary Manifold Remove and Install

Rotary Manifold Disassemble and Assemble

Rotary Manifold Bench Test

Section 04: Engine

Group 0400: Removal and Installation

Engine Remove and Install

Exhaust Manifold Remove and Install

Valve Cover Remove and Install

Valve Cover Disassemble and Assemble

Rocker Arm Assembly Remove and Install

Rocker Arm Assembly Disassemble and Assemble

Rocker Arm Assembly Inspection

Intake Manifold Remove and Install

Intake Manifold Disassemble and Assemble

Water Pump Remove and Install

Cylinder Head Remove and Install

Cylinder Head Disassemble and Assemble

Cylinder Head Inspection

Timing Gear Case Remove and Install

Cylinder Block Disassemble and Assemble

Cylinder Block Inspection

Rear Oil Seal Installation

Camshaft Remove and Install

Camshaft Disassemble and Assemble

Camshaft Inspection

Flywheel Remove and Install

Flywheel Disassemble and Assemble

Flywheel Housing Remove and Install

Oil Pan Remove and Install

Crankshaft Remove and Install

Crankshaft Disassemble and Assemble

Crankshaft Inspection

Piston and Connecting Rod Remove and Install

Piston and Connecting Rod Disassemble and Assemble

Piston and Connecting Rod Inspection

Oil Pump Remove and Install

Oil Pump Disassemble and Assemble

Oil Pump Inspection

Thermostat Housing Remove and Install

Thermostat Housing Disassemble and Assemble

Thermostat Inspection

Fuel Injection Pump Remove and Install

Fuel Injection Nozzle Remove and Install

Fuel Injection Nozzle Disassemble and Assemble

Starter Remove and Install

Alternator Remove and Install

Section 05: Engine Auxiliary Systems

Group 0510: Cooling System

Radiator and Oil Cooler Remove and Install

Fan, Shroud, and Guards Remove and Install

Fan Belt Remove And Install

Group 0515: Speed Controls

Speed Control Linkage Remove and Install

Engine Control (EC) Motor and Sensor Remove and Install

Group 0560: External Fuel Supply Systems

Fuel Tank Remove And Install

Water Separator Remove and Install

Section 17: Frame or Supporting Structure

Group 1740: Frame Installation

Welding On Machine

Welding Repair of Major Structure

Group 1749: Chassis Weights

Counterweight Remove and Install

Section 18: Operator’s Station

Group 1800: Removal and Installation

Cab Remove and Install

Group 1810: Operator Enclosure

Bonded Windowpane Remove and Install

Sliding Window Remove and Install

Group 1821: Seat and Seat Belt

Seat Remove and Install

Seat Belt Remove and Install

Group 1830: Heating and Air Conditioning

Refrigerant Cautions and Proper Handling

Flush and Purge Air Conditioner System

R134a Refrigerant Oil Information

R134a Refrigerant Recovery/Recycling and Charging Station Installation Procedure

Recover R134a Refrigerant

Evacuate R134a System

Charge R134a System

Compressor Remove and Install

Receiver-Dryer Remove and Install

Air Conditioner and Heater Remove and Install

Condenser Remove and Install

Section 32: Bulldozers (Blade)

Group 3201: Blades

Blade Remove and Install

Group 3260: Hydraulic System

Blade Cylinder Remove and Install

Blade Cylinder Disassemble and Assemble

Blade Pilot Controller Remove and Install

Blade Pilot Controller Disassemble and Assemble

Section 33: Excavator

Group 3302: Buckets

Tooth Shank Remove and Install

Welded Cutting Edge Replacement

Cracked Cutting Edge Repair

Bucket Repair

Bucket Pin-Up Data

Group 3340: Frames

Bucket Links Remove and Install

Arm Remove and Install

Boom Remove and Install

Offset Boom Remove and Install

Boom, Arm, Bucket and Blade Pins, Bushings and Bosses Inspection

Bushing and Seal Remove and Install

Group 3360: Hydraulic System

Hydraulic Oil Tank Pressure Release Procedure

Hydraulic Oil Cleanup Procedure Using Portable Filter Caddy

Hydraulic Pump Remove and Install

Hydraulic Pumps 1 and 2 Disassemble and Assemble

Hydraulic Pump 3 and Pilot Pump Remove and Install

Hydraulic Pump 3 Disassemble and Assemble

Pilot Pump Disassemble and Assemble

Hydraulic Pump Start-Up Procedure

Dampener Drive (Flex Coupling) Remove and Install

Pilot Pressure Regulating Valve and Filter Remove and Install

Pilot Pressure Regulating Valve Disassemble and Assemble

Drain Filter and Bypass Valve Remove and Install

Pilot Control Shut-Off Valve Remove and Install

Pilot Control Shut-Off Valve Disassemble and Assemble

Propel Speed Solenoid Valve Remove and Install

Proportional Solenoid Valve Disassemble and Assemble

Pilot Controller Remove and Install

Pilot Controller Disassemble and Assemble

Propel Pilot Controller Remove and Install

Propel Pilot Controller Disassemble and Assemble

Offset Boom Pilot Controller Remove and Install

Offset Boom Pilot Controller Disassemble and Assemble

Flow Regulator Valve Manifold Remove and Install (S.N. —011047)

Flow Regulator Valve Manifold Disassemble and Assemble (S.N. —011047)

Flow Regulator Valve Manifold Remove and Install (S.N. 011048— )

Control Valve Remove and Install

Control Valve Disassemble

Control Valve Assemble

Hydraulic Oil Tank Remove and Install

Oil Cooler Bypass Valve Remove and Install

Boom Cylinder Remove and Install

Boom Cylinder Disassemble and Assemble

Arm Cylinder Remove and Install

Arm Cylinder Disassemble and Assemble

Bucket Cylinder Remove and Install

Bucket Cylinder Disassemble and Assemble

Offset Boom Cylinder Remove and Install

Offset Boom Cylinder Disassemble and Assemble

Offset Boom Arm Cylinder Remove and Install

Hydraulic Cylinder Bleed Procedure

Section 43: Swing or Pivoting System

Group 4350: Mechanical Drive Elements

Swing Gearbox Remove and Install

Swing Gearbox Disassemble and Assemble

Upperstructure Remove And Install

Swing Bearing Remove and Install

Swing Bearing Disassemble and Assemble

Swing Bearing Upper Seal Install

Swing Bearing Lower Seal Install

Group 4360: Hydraulic System

Swing Motor and Park Brake Remove and Install

Swing Motor and Park Brake Disassemble

Swing Motor and Park Brake Inspection

Swing Motor and Park Brake Assemble

Swing Motor Crossover Relief Valve and Make-Up Valve Remove and Install

Swing Motor And Gearbox Start-Up Procedure

Section 99: Dealer Fabricated Tools

Group 9900: Dealer Fabricated Tools

ST4920 Track Recoil Spring Disassembly and Assembly Tool

DFT1087 Track Recoil Spring Disassembly and Assembly Guard Tool

DFT1112A Spacer

DFT1169 Travel and Swing Gearbox Nut Wrench

Rotary Manifold Lifting Tool

DFT1119 Pump Support

John Deere 80C Excavator Service Repair Manual (TM1939)