John Deere 790 and 792 Crawler Excavators Operation and Test Manual (TM1320)

Illustrated factory Operation and Test Manual for John Deere Crawler Excavators Models 790 and 792.

This manual will assist you in diagnosing, and troubleshooting for your crawler excavator.
You can use a Windows, Mac, or Android device to view this manual. You only need to have a PDF reader installed.

Covered Models:
   790
   792

Format: PDF, 888 pages
Language: English
Publication Date: 08 Mar 1990
Table of Contents:
   Introduction
   General Information
      Specifications
      Torque Values
      Fuels and Lubricants
   Tracks
      Service Equipment and Tools
      Specifications
      Track Chain
      Sprocket
      Upper Roller
      Lower Roller
      Front Idler
      Track Adjuster and Recoil Spring
      Track Sag
   Axles and Suspension System
      Axle Shaft, Bearings and Reduction Gears
      Hydraulic System
   Engine
      Remove and Install Engine
      Crankshaft and Main Bearings
      Camshaft and Valve Actuating Means
      Connecting Rods and Pistons
      Cylinder Block
      Oiling System
      Ventilating System
      Cylinder Head and Valves
      Exhaust Manifold
      Fuel Injection System
      Intake Manifold
      Turbocharger
      Water Pump
      Thermostats, Housings and Water Piping
      Oil Cooler
      Fuel Transfer Pump
      Starting Motor and Fastenings
      Flywheel, Housing and Fastening
   Engine Auxilliary Systems
      Cold Weather Starting Aids
      Cooling Systems
   Electrical Systems
      Batteries, Support and Cables
      Alternator, Regulator and Charging System Wiring
      Instruments and Indicators
   Operator's Station
      Removal and Installation
      Operator Enclosure
      Heating and Air Conditioning
   Pneumatic System
      Pump and Drives
   Excavator
      Buckets
      Controls Linkage
      Frames
      Hydraulic System
   Swing, Rotation or Pivoting System
      Mechanical Drive Elements
      Hydraulic System
   Operational Checkout Procedures
      Gauges and Indicators Check with Engine Stopped
      Control Levers and Pump Control Rods Check
      Gauge, Indicator, and Speed Control Check (Engine Running)
      Hydraulic System Checks
      Accessories Check-Key Switch On for Entire Test
      Seat, Doors, Windows, Latches, and Locks Check
   Engine Operation and Tests
      Theory of Operation
      System Operational Checkout Procedure
      System Diagnostic Checks
      Adjustments
      Tests
   Electrical System Operation and Test
      Service Equipment and Tools
      Theory of Operation
      Monitor Checkout Preocedure
      Sensor Specifications
      Troubleshooting Reference
      Electrical Schematic
   Power Train And Test
      Theory of Operation
      Diagnostic Information
      Tests
   Hydraulic System Operation and Test
      Theory of Operation
      Diagnostic Information
      Performance Specifications
      Adjustments
      Tests
      Hydraulic Schematic
   Miscellaneous Components Operation and test
      Track Sag Adjustment
      Theory of Operation
      Tests
   Heating and A/C System Operation and Test
      Air Conditioning System Operation
      Air Conditioning System operational Checkout Procedure
      Refrigerant (R-12) Cautions
      Air Conditioning System Test
      Expansion Valve Test
      Checking and Adding Compressor Oil
      Discharging the System
      Flushing the System
      Purge the System
      Evacuate the System
      Charging the System
   Dealer Fabricated Tools
      DFT1087 Track Recoil Spring Disassembly and Assembly Guard Tool
      Rotary Manifold Lifting Tool
      ST-1909 Puller Assembly
      ST-1912 Puller Assembly
      ST-1930 Puller Assembly
      ST-1947 Puller Assembly
      ST-1949 Puller Assembly
      ST-1950 Puller Assembly
      ST-1951 Puller Assembly
      ST-2003 Seal Sleeve Installer
      ST-2004 Square Ring Installer
      ST-2155 Bearing Installer
      ST-2157 Seal Installer
      ST-2160 Bearing Installer
      ST-3013 Bering Nut Wrnech
      ST-3018 Drive Disk Wrnech
      ST-3909 Hubnut Wrench
      ST-3920 Hubnut Wrench
      ST-4078 Spring Holder
      ST-5003 Work Bench
      ST-5011 Drive Disc Fixing Tool
      ST-6910 Measuring Tool Assembly
      ST-6911 Drive Disc Fixing and Measuring Tool
      ST-7007 Rotor Support
      ST-7008 Cap
      JT-38001 Work Bench
      ST4920 Track Recoil Spring Disassembly and Assembly Tool