John Deere 990 Excavator TM1230 Technical Manual PDF

This technical manual is intended for serving and repairing John Deere excavator 990.

Features of this technical manual:
- John Deere illustrations format emphasizing detailed pictures and fewer words in easy-to-use modules.
- Removal and installation groups preceding some repair groups.
- A section of system diagnostic testing.
- Table of contents of all sections at the front of the manual and a listing of all groups and headings at the front of each section.
- Special tools and specifications are listed at the front of each group they are used in.
- Special tools are illustrated in numerical order at the end of the manual.
- Alphabetical listing of all major components, specifications, and special tools.
- Safety rules, general specifications, and lubrication specifications.

This technical manual comes in PDF format, which contains 1572 pages, any one of which can be printed easily. We recommend using Adobe PDF Reader, to be sure all images/graphics will display correctly.

SECTION AND GROUP CONTENTS:

• GENERAL INFORMATION
  • Group I - Introduction and Safety Information
  • Group II - General Specifications
  • Group III - Cap Screw Torque Values
  • Group IV - Lubrication
• TRACKS
  • Group 0130 - Track Systems
• AXLES AND SUSPENSION SYSTEMS
  • Group 0250 - Axle Shaft, Bearings, Reduction Gears
  • Group 0260 - Hydraulic Systems
• ENGINE
  • Group 0400 - Removal and Installation
  • Group 0401 - Crankshaft and Main Bearings
  • Group 0402 - Camshaft and Valve Actuating Means
  • Group 0403 - Connecting Rods and Pistons
  • Group 0404 - Cylinder Block
  • Group 0407 - Oiling System
  • Group 0408 - Ventilating System
  • Group 0409 - Cylinder Head and Valves
  • Group 0410 - Exhaust Manifold
  • Group 0413 - Fuel Injection System
  • Group 0416 - Turbocharger
  • Group 0417 - Water Pump
  • Group 0418 - Thermostats, Housings, and Water Piping
  • Group 0419 - Oil Cooler
  • Group 0420 - Fuel Filter
  • Group 0421 - Fuel Transfer Pump
  • Group 0422 - Starting Motor and Fastenings
  • Group 0429 - Fan Drive
  • Group 0433 - Flywheel, Housing and Fastenings
• ENGINE AUXILIARY SYSTEMS
  • Group 0505 - Cold Weather Starting Aids
  • Group 0510 - Cooling Systems
  • Group 0515 - Speed Controls
  • Group 0520 - Intake System
  • Group 0560 - External Fuels Supply Systems
• ELECTRICAL SYSTEMS
  • Group 1671 - Batteries, Support and Cables
  • Group 1672 - Alternator, Regulator, and Charging System Wiring
  • Group 1674 - Wiring Harness and Switches
  • Group 1676 - Instruments and Indicators
• FRAME, CHASSIS, OR SUPPORTING STRUCTURE
  • Group 1740 - Frame Installation
  • Group 1749 - Chassis Weights
• OPERATOR'S STATION
  • Group 1810 - Operator Enclosure
  • Group 1830 - Heating and Air Conditioning
• SHEET METAL AND STYLING
  • Group 1927 - Fenders
• EXCAVATOR
  • Group 3302 - Buckets
  • Group 3340 - Frames
  • Group 3360 - Hydraulic System
• SWING, ROTATION OR PIVOTING SYSTEM
  • Group 4311 - Brakes
  • Group 4350 - Mechanical Drive Elements
  • Group 4360 - Hydraulic System
• SYSTEM TESTING
  • Group 9005 - General Information - Seven Basic Steps of Diagnosis and Testing
  • Group 9010 - Engine
  • Group 9015 - Electrical System
  • Group 9025 - Hydraullic System
  • Group 9030 - Miscellaneous Components
  • Group 9031 - Heating and Air Conditioning
• SPECIAL TOOLS
• INDEX