TM-9-2320-279-34-3

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

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS DIRECT SUPPORT AND GENERAL SUPPORT, VOLUME 3 OF 3

TM-9-2320-279-34-3 - Page 245 of 717

(2)

Loosen screw (3) and remove plug (4)

and seal (5).

(3)

Remove plug (6) and preformed

packing (7).

TM 9-2320-279-34-3

M977, M985, and M984E1 Crane Maintenance Instructions (Cont)

(4)

Put crane in operating condition

(TM 9-2320-279-10).

CAUTION

Do not operate crane with boom below

horizontal when there is a load on hook.

(5)

Attach crane hook (8) to an

immovable object (9).

(6)

While operating HOIST control

lever (10) UP, adjust

internal screw (11) until gage reads

between 1900 psi (13 100 kPa) and

2100 psi (14 480 kPa) for M977 or

between 2100 psi (14 480 kPa) and

2300 psi (15 858 kPa) for M985.

Change 3

17-115