Lull 944E-42 Service Manual User Manual download pdf (Page 775)

100

101

10.17

Model 644E-42/944E-42 Rev. 6/04

Stabil-TRAK™ System

10.5 STABIL-TRAK™ SYSTEM TEST

(644E-42, SN 20118 & Before,

SN 0160002519 thru 0160003877)

(944E-42, SN 20123 & Before,

SN 0160002514 thru 0160003881)

IMPORTANT: The operator must know that the

Stabil-TRAK™ system is active and functioning properly.

To test the function of the Stabil-TRAK™ system, read

the Stabil-TRAK™ System Test instructions and follow

Steps 1-9 of Section 10.5.2, “Stabil-TRAK™ System Test

Procedures (644E-42, SN 20118 & Before,

SN 0160002519 thru 0160003887)

(944E-42, SN 20123 & Before,

SN 0160002514 thru 0160003881).”

10.5.1 Stabil-TRAK™ System Test

Instructions

(644E-42, SN 20118 & Before,

SN 0160002519 thru 0160003877)

(944E-42, SN 20123 & Before,

SN 0160002514 thru 0160003881)

• Test the Stabil-TRAK™ system with the vehicle

on a level surface.

• Remove any attachment from the quick attach

before performing the test.

•DO NOT extend the boom at any time during the

test. Perform the test with the boom fully retracted.

•DO NOT transfer the carriage forward any time

during the test. Keep the transfer carriage in the

fully retracted position.

•DO NOT raise the boom above 60° for Steps 3-6.

•DO NOT raise the boom above 45° for Steps 7-9.

• Follow Steps 1 through 9 of the Stabil-TRAK™

system test procedure exactly

as written.

IMPORTANT: If the Stabil-TRAK™ lock light goes OFF

and the front left tire lowers to the ground at any time

during Steps 4-7, the test was not performed properly or

the Stabil-TRAK™ system is not functioning properly.

Carefully

repeat the steps starting with Step 1.

If the Stabil-TRAK™ lock light goes OFF and the front left

tire lowers to the ground consistently during Steps 4-7, the

Stabil-TRAK™ system is not functioning properly and the

test should be stopped immediately

. If the Stabil-TRAK™

system is not functioning properly, follow the procedures

in Section 10.8, “Stabil-TRAK™ Hydraulic Circuit

Operation and Troubleshooting,” to repair the system.

Note: The front left tire off of the ground during the test

is a visible indication that the stability system is in the

locked mode.

10.5.2 Stabil-TRAK™ System Test

Procedures

(644E-42, SN 20118 & Before,

SN 0160002519 thru 0160003887)

(944E-42, SN 20123 & Before,

SN 0160002514 thru 0160003881)

Note: If Steps 1-9 prove positive, the Stabil-TRAK™

system is functioning properly, and the vehicle can be

returned to service. If any of these steps indicate that the

Stabil-TRAK™ system is not functioning properly, follow

the procedures in Section 10.8, “Stabil-TRAK™ Hydraulic

Circuit Operation and Troubleshooting,” to repair the

system.

WARNING: DO NOT operate this vehicle

unless you are in the seat with the seat belt

fastened around you. Death or serious injury

could result if the belt is not securely fastened.

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