M1090/M1094 DUMP BODY DOES NOT RAISE

TM 9-2320-366-20-2

e143. M1090/M1094 DUMP BODY DOES NOT RAISE

INITIAL SETUP

Tools and Special Tools

Equipment Condition

Tool Kit, Genl Mech (Item 46, Appendix C)

Engine shut down (TM 9-2320-366-10-1).

STE/ICE-R (Item 41, Appendix C)

Multimeter, Digital (Item 22, Appendix C)

Personnel Required

Goggles, Industrial (Item 15, Appendix C)

(2)

Sling, Cargo (Item 31, Appendix C)

Lifting Bracket, Dump Body (2) (Item E-24, Appendix E)

References

Wrench, Torque, 0-200 lb-in. (Item 59, Appendix C)

TM 9-4910-571-12&P

Socket Set, Socket Wrench (Item 34, Appendix C)

Materials/Parts

Wire, Elec, 50 ft (Item 71, Appendix D)

NOTE

Perform Electrical System Troubleshooting

e1. Circuit Breaker Does Not Operate on

circuit breaker CB50 prior to beginning

this task.

START

WARNING

CAUTION

Read WARNING and

CAUTION on

KNOWN INFO

TEST OPTIONS

following page.

Voltage Test or

Hydraulic oil level OK.

STE/ICE-R Test #89

PTO OK.

Is 24 VDC present at

REASON FOR QUESTION

Circuit breaker CB50 OK.

connector L8 socket 2?

This question eliminates

POSSIBLE PROBLEMS

possible problems and

determines where

Faulty dump body hydraulic

troubleshooting continues.

system.

Faulty four-way relief valve.

Faulty solenoid valve.

Faulty DUMP BED UP/DOWN

switch.

Faulty auxiliary panel cable

assembly.

Faulty M1090/M1094 dump

cable assembly.

YES

Go to step 5 of this fault.

Faulty M1090/M1094 dump

power cable assembly.

Faulty dashboard cable

assembly.

2-1480

Change 2