Lull 944E-42 Service Manual User Manual

Page 213

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10-1

944E-42

Section 10

Stabil-TRAK™ System

Contents

PARAGRAPH

TITLE

PAGE

10.1

Stabil-TRAK™

System Component Terminology . . . . . . . . . . . . . . . . . . . . . . . . .

10-2

10.2

Stabil-TRAK™

Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

10-3

10.2.1

Stabil-TRAK™ Solenoid Valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

10-3

10.3

Stabil-TRAK™

Electrical Circuit Operation and Troubleshooting . . . . . . . . . . .

10-4

10.4

Stabil-TRAK™

System Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-10

10.4.1

Stabil-TRAK™ System Test Instructions. . . . . . . . . . . . . . . . . . . . . . . . . 10-10

10.4.2

Stabil-TRAK™ System Test Procedures. . . . . . . . . . . . . . . . . . . . . . . . . 10-10

10.5

Stabil-TRAK™

Hydraulic Circuit Operation and Troubleshooting . . . . . . . . . . . 10-13

10.5.1

Troubleshooting Symptom Chart. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-13

10.5.2

Stabil-TRAK™ Hydraulic Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-14

10.5.3

Stabilizer Cylinder Oil Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-14

10.5.4

Hydraulic Circuit Operation - Free Pivot Mode, Rod Oil Out . . . . . . . . . . . 10-15

10.5.5

Hydraulic Troubleshooting - Free Pivot Mode, Rod Oil Out. . . . . . . . . . . . 10-16

10.5.6

Hydraulic Circuit Operation - Free Pivot Mode, Base Oil Out . . . . . . . . . . 10-17

10.5.7

Hydraulic Troubleshooting - Free Pivot Mode, Base Oil Out . . . . . . . . . . . 10-18

10.5.8

Hydraulic Circuit Operation - Slow Pivot Mode, Rod Oil Out. . . . . . . . . . . 10-19

10.5.9

Hydraulic Troubleshooting - Slow Pivot Mode, Rod Oil Out . . . . . . . . . . . 10-20

10.5.10

Hydraulic Circuit Operation - Slow Pivot Mode, Base Oil Out . . . . . . . . . . 10-21

10.5.11

Hydraulic Troubleshooting - Slow Pivot Mode, Base Oil Out. . . . . . . . . . . 10-22

10.5.12

Hydraulic Circuit Operation - Locked Mode. . . . . . . . . . . . . . . . . . . . . . . . 10-23

10.5.13

Hydraulic Circuit Operation - Locked Mode, Frame Sway Right . . . . . . . . 10-23

10.5.14

Hydraulic Troubleshooting - Locked Mode, Will Not Frame Sway Right . . 10-25

10.5.15

Hydraulic Circuit Operation - Locked Mode, Frame Sway Left . . . . . . . . . 10-26

10.5.16

Hydraulic Troubleshooting - Locked Mode, Will Not Frame Sway Left . . . 10-27

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