Factory Technical Manual For John Deere Excavator. Manual Contains Illustrations, Instructions, Diagrams For Step By Step Remove And Install, Assembly And Disassembly, Service, Inspection, Repair, Troubleshooting, Tune-Ups.

Format: PDF
Language: English
Pages: 1572
Number: TM1230 (may 1987)
Wiring Diagrams: Yes
Hydraulic Diagrams: Yes

Model

John Deere Excavator
990

Contents

-GENERAL INFORMATION
Introduction and Safety Information
General Specifications
Cap Screw Torque Values
Lubrication
-TRACKS
Track Systems
-AXLES AND SUSPENSION SYSTEMS
Axle Shaft, Bearings, Reduction Gears
Hydraulic Systems
-ENGINE
Removal and Installation
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
Turbocharger
Water Pump
Thermostats, Housings, and Water Piping
Oil Cooler
Fuel Filter
Fuel Transfer Pump
Starting Motor and Fastenings
Fan Drive
Flywheel, Housing and Fastenings
-ENGINE AUXILIARY SYSTEMS
Cold Weather Starting Aids
Cooling Systems
Speed Controls
Intake System
External Fuels Supply Systems
-ELECTRICAL SYSTEMS
Batteries, Support, and Cables
Alternator, Regulator and Charging System Wiring
Wiring Harness and Switches
Instruments and Indicators
-FRAME, CHASSIS, OR SUPPORTING STRUCTURE
Frame Installation
Chassis Weights
-OPERATOR’S STATION
Operator Enclosure
Heating and Air Conditioning
-SHEET METAL AND STYLING
Fenders
-EXCAVATOR
Buckets
Frames
Hydraulic System
-SWING, ROTATION OR PIVOTING SYSTEM
Brakes
Mechanical Drive Elements
Hydraulic System
-SYSTEM TESTING
General Information – Seven Basic Steps of Diagnosis and Testing
Engine
Electrical System
Hydraulic System
Miscellaneous Components
Heating and Air Conditioning
SPECIAL TOOLS