M1089 MATERIAL HANDLING CRANE (MHC) DOES NOT OPERATE

TM 9-2320-366-20-2

e120. M1089 MATERIAL HANDLING CRANE (MHC) DOES NOT OPERATE

INITIAL SETUP

Equipment Conditions

Tools and Special Tools

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

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

Multimeter, Digital (Item 22, Appendix C)

Personnel Required

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

(2)

References

TM 9-491-571-12&P

START

WARNING

Read WARNING

KNOWN INFO

TEST OPTIONS

on following page.

Battery voltage OK.

Voltage Test or

Circuit breakers OK.

STE/ICE-R Test #89

Is 24 vdc present at

REASON FOR QUESTION

Power control cable

junction box assembly

assembly OK.

If 24 vdc is not present,

terminal board position 2?

Auxiliary panel cable

crane power cable is

assembly OK.

faulty.

Dashboard cable

assembly OK.

Hydraulic system OK.

POSSIBLE PROBLEMS

Faulty crane power cable.

Faulty junction box

assembly.

Replace crane power

cable (para 7-79).

YES

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