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 619 of 819

TM 9-2320-279-10-2

M984E1 General Operating Procedures (Cont)

(29)

Push in LIFT CYLINDER control lever to retract lift cylinder (34) until

slack is removed from safety chains (21).

(25)

Pull safety chain (21) tight and install chain on adapter grab hook (23).

(26)

Repeat step (25) for other side of disabled vehicle.

(27)

Release PARKING BRAKE on disabled vehicle (refer to M939 operator’s

manual).

(28)

Alternately push in TOW and LIFT CYLINDER control levers until tow

cylinders (2) are fully retracted.

NOTE

Safety chains can he routed to towing shackles or

safety chain hoop. Towing shackles can be used only

after tow cylinders are extended.

Adjust chain slack so safety chains just touch the

ground.

(30)

Route two safety chains (11) through safety chain hoop (25) on wrecker

and secure grab hook (26) with safety shackle (27).

(31)

Wrap two springs (1) around crosstube (7) and secure.

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