John Deere 318 User Manual

Page 379

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Section 260

STEERING AND BRAKES CHECKOUT,

OPERATION AND DIAGNOSIS

Contents

Page

Group 05—Steering And Brakes System

Checkout

Before You Start . . . . . . . . . . . . . . . . . 260-05-1
Steering System Oil Leak Check (318

and 420) . . . . . . . . . . . . . . . . . . . . . 260-05-1

Hydrostatic Steering System Check (318

and 420) . . . . . . . . . . . . . . . . . . . . . 260-05-2

Service Park Brake Check . . . . . . . . . . . 260-05-3
Turn Brake Check (318 and 420) . . . . . . 260-05-3
Operator Complaint Not Identified . . . . . . 260-05-4

Group 10—Theory of Operation
Steering Valve/System Operation

Four-Port Valve . . . . . . . . . . . . . . . . 260-10-1
Five-Port Valve . . . . . . . . . . . . . . . . . 260-10-2

Group 15—Diagnosis, Tests and Adjustments
About This Group . . . . . . . . . . . . . . . . 260-15-1
Troubleshooting Guide . . . . . . . . . . . . . 260-15-1
Hydraulic Oil Warm-up Procedure . . . . . . 260-15-4
Steering System Leakage Test . . . . . . . . 260-15-5
Steering Valve Leakage Test . . . . . . . . . 260-15-5

TM1590 (17MAY95)

260-1

316, 318 & 420 Lawn and Garden Tractors

020895

260

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This manual is related to the following products:

316, 420