M1089 MATERIAL HANDLING CRANE (MHC) HOIST UP DOES NOT OPERATE FROM REMOTE STATION (cont)

TM 9-2320-366-20-2

e122. M1089 MATERIAL HANDLING CRANE (MHC) HOIST UP DOES NOT OPERATE FROM REMOTE STA-

e122.

TION (CONT)

KNOWN INFO

TEST OPTIONS

Other crane functions from

Continuity Test or

Is continuity present

remote station OK.

STE/ICE Test #91

REASON FOR QUESTION

from hoist up solenoid

Remote control box OK.

If continuity is not present,

cable connector pin 2

HOIST UP/DOWN

hoist up solenoid cable is

to ground and from

controller OK.

POSSIBLE PROBLEMS

faulty. If continuity is

pin 1 to terminal board

Faulty hoist up solenoid

present, hoist up solenoid

lower position 15?

cable.

is faulty.

Faulty hoist up solenoid.

Replace hoist up solenoid

cable (para 7-113).

YES

Notify DS Maintenance.

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