M1089 MATERIAL HANDLING CRANE (MHC) DOES NOT OPERATE FROM REMOTE CONTROL

TM 9-2320-366-20-2

e121. M1089 MATERIAL HANDLING CRANE (MHC) DOES NOT OPERATE FROM REMOTE CONTROL

INITIAL SETUP

Equipment Condition

Tools and Special Tools

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

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

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

Personnel Required

Multimeter, Digital (Item 22, Appendix C)

(2)

References

TM 9-4910-571-12&P

START

KNOWN INFO

WARNING

TEST OPTIONS

Battery voltage OK.

Voltage Test or

Read WARNING

Overload shutdown

STE/ICE Test #89

on following page.

Is 24 vdc present at

REASON FOR QUESTION

system OK.

If 24 vdc is not present,

remote control bulkhead

Hydraulic system

remote control cable is

connector pin E?

shutdown relay OK.

POSSIBLE PROBLEMS

faulty.

Faulty remote control

cable.

Faulty external remote

control cable.

Faulty remote control box

ON/OFF switch.

Faulty remote control box

internal wiring.

Replace remote control

cable (para 7-115 or 7-118).

YES

2-1300