Factory Repair, Operation And Test For John Deere Excavator. Manual Contains Illustrations, Instructions, Diagrams For Systems Diagnosis, Theory Of Operation, Performance Testing, Tests And Adjustments, Operational Check, Unit Locations, Schematics And A Lot Of Other Useful Information For Service And Repair.

Format: PDF
Language: English
Pages: 638
Number: TM1302 (march 1990)
Wiring Diagrams: Yes
Hydraulic Diagrams: Yes

Model

John Deere Excavator
490

Contents

-GENERAL
Introduction and Safety Information
General Specifications
Cap Screw Torque Values
Lubrication
-TRACKS
Track Systems
-AXLES AND SUSPENSION SYSTEMS
Axle Shafts, Bearings and Reduction Gears
Hydraulic Sy3tem
-ENGINE
Crankshaft and Main Bearings
Camshaft and Valve Actuating Means
Connecting Rods and Pistons
Cylinder Block
Oiling System
Cylinder Head and Valves
Fuel Injection System
Intake Manifold
Engine Balancer
Turbocharger
Water Pump
Thermostats, Housings and Water Piping
Oil Cooler
Fuel Filter
Fuel Transfer Pump
Starting Motor and Fastenings
Flywheel, Housing and Fastenings
-EXCAVATOR
Buckets, Teeth, Shanks and Sidecutters
Hydraulic System
-SWING, ROTATION OR
PIVOTING SYSTEM
Mechanical Drive Elements
Hydraulic System
-SYSTEM TESTING
Operational Checkout Procedure
Engine
Electrical System
Power Train
Hydraulic System
Miscellaneous Components
SPECIAL TOOLS