M1084/M1086 MATERIAL HANDLING CRANE (MHC) DOES NOT OPERATE (CONT)

TM 9-2320-366-20-2

e104. M1084/M1086 MATERIAL HANDLING CRANE (MHC) DOES NOT OPERATE (CONT)

KNOWN INFO

TEST OPTIONS

Continuity Test or

Battery voltage OK.

STE/ICE-R Test #91

Circuit breakers OK.

Is continuity present

REASON FOR QUESTION

Auxiliary panel cable assembly

between crane power cable

OK.

connector pin B and

If continuity is not present,

Dashboard wiring harness OK.

terminal board position 5?

crane power cable is faulty.

Hydraulic system OK.

POSSIBLE PROBLEMS

Faulty crane power cable.

Faulty junction box internal

wiring.

Faulty reverse polarity diode(s).

Replace crane power cable

YES

(para 7-90).

2-1164

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