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DIY ManualsDIY Manuals >> Service & Repair >> Tractor Manuals >> John Deere Tractor Repair Manuals >> John Deere Tractor Repair Manual 6030, 3010, 3020, 4010, 4020, 5010, 5020, 3020, 4000, 4020, 4320, 4520, 4620
John Deere Tractor Repair Manual 6030, 3010, 3020, 4010, 4020, 5010, 5020, 3020, 4000, 4020, 4320, 4520, 4620Click To Enlarge Product Image

John Deere Tractor Repair Manual 6030, 3010, 3020, 4010, 4020, 5010, 5020, 3020, 4000, 4020, 4320, 4520, 4620

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  • Item Description
  • Table of Contents
  • Specifications

The John Deere Tractor Repair Manual 6030, 3010, 3020, 4010, 4020, 5010, 5020, 3020, 4000, 4020, 4320, 4520, 4620 covers tractor models indicated.

  • Gasoline models: 3010, 3020, 4000, 4010, 4020

  • Diesel models: 3010, 3020, 4000, 4010, 4020, 4320, 4520, 4620, 5010, 5020, 6030
Note: this tractor repair manual includes wiring diagrams for models 3010, 3020 (before Serial No. 123000), 4010, 4020 (before Serial No. 201000), and 5010, only.


Book Excerpt: John Deere Tractor Repair Manual - Models: 6030, 3010, 3020, 4010, 4020, 5010, 5020, 3020, 4000, 4020, 4320, 4520, 4620

POWER STEERING SYSTEM

OPERATION: ALL MODELS

The power steering system consists of the tractor hydraulic supply system described in paragraph 114, plus the steering control unit and steering cylinders or motor described in this section. (See Fig.JD8)

The control unit contains a double acting piston (3) of approximately equal displacement to the two operating pistons (16). In addition, it contains two pressure valves, two return valves, a relief valve and an unloading valve which actuate the power assist.

Series 5000 uses two, single acting displacement type steering cylinders; all other models use a steering motor, consisting of a main housing, steering spindle (17) and two rack-type double piston assemblies (16).

When the control unit is in the neutral position, there is no fluid flow but oil at pump pressure is available at the pressure line (15). When the steering wheel is turned for a right-hand turn, the first movement of the steering shaft (1) and operating collar (5) causes the lower operating valve lever (7) to unseat the inlet valve (13) and return valve (12).


TABLE of CONTENTS:
  • Detailed illustrations and exploded views
  • Troubleshooting sections covering most models
  • Brakes
  • Cooling system
  • Differential
  • Electrical system
  • Engine
  • Final drive
  • Axles
  • Hydraulics
  • Transmission
  • Condensed service data information
  • Detailed index
Plus...
  • Accurate information in a concise, easy-to-use format
  • Durable, coated paper stands up to messy shop jobs
Subject: John Deere farm tractor service, maintenance, repair. ISBN-10: 0872883604 | ISBN-13: 9780872883604

  • Publisher: I&T/Clymer
  • Pages: 244 - Hundreds of b&w photos and illustrations
  • Binding: Paperback - 8 x 10.75 inches
  • ISBN: 978-0-87288-360-4
  • John Deere Tractor Repair Manual 6030, 3010, 3020, 4010, 4020, 5010, 5020, 3020, 4000, 4020, 4320, 4520, 4620
    $27.95