M1089 MATERIAL HANDLING CRANE (MHC) DOES NOT OPERATE (cont)

TM 9-2320-366-20-3

(1) Check hydraulic tube and fittings between pump

and check valve for leaks and damage.

(2) Check hydraulic tube and fittings between check

valve and port P of MHC for leaks and damage.

(3) Check for proper hydraulic fluid level at reservoir

(TM 9-2320-366-10-1).

(4) If hydraulic tube(s) or fitting(s) is not free from

leaks or damage, replace tube(s) or fitting(s) (para

17-15).

(5) If hydraulic tubes and fitting are free from leaks

and damage, perform Electrical System

Troubleshooting (e120. M1089 Material Handling

Crane (MHC) Does Not Operate).

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