TM-9-2320-279-10-2

M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)

OPERATOR’S MANUAL VOLUME 2 OF 2

DECEMBER 1998

CHANGE 3

TM-9-2320-279-10-2 - Page 753 of 819

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TM 9-2320-279-10-2

M984E1 General Operating Procedures (Cont)

a. Perform Emergency Hydraulic Operation When Crane Electrical

Power Fails.

(1)

If crane electrical power system fails during crane operation, crane will

be locked in position it was in at time of failure.

(2)

Do not try to operate any electrical equipment on vehicle or crane.

(3)

Do not try to repair electrical system.

NOTE

●

This procedure will provide emergency hydraulic

power to lower crane and load when electrical power

has failed.

●

Screwdriver can be put in slot in front of solenoid

valve button to hold button in while operating

controls.

(4)

Push up and hold solenoid valve button (l).

(5)

Shut down crane (para 2-63).

(6)

Notify organizational maintenance.

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