TM-9-2320-361-10

2-1/2-TON, 6x6, M44A2 SERIES TRUCKS (MULTIFUEL)

OPERATOR'S MANUAL

DECEMBER 1988

TM-9-2320-361-10 - Page 198 of 392

TM 9-2320-361-10

2-29. OPERATION OF TRACTOR AND FIFTH WHEEL (Contd)

(5)

Turn safety latch (16), left or right, to release locking plunger, and move

operating handle (15) forward until it stays in forward position. Coupler jaws (9)

are now unlocked.

WARNING

Do not back up vehicle without a ground guide, or injury or

death to personnel may result.

(6)

Release parking brake lever (10), and slowly back tractor under trailer

until fifth wheel coupling jaws (9) are securely locked around semitrailer kingpin

(5).

(7)

Place transmission gearshift lever (11) in “N” (neutral) position and apply

parking brake (10).

(8)

Make sure fifth wheel operating handle (15) is in rearward (locked)

position, and safety latch (16) is in vertical position.

CAUTION

Be sure to couple emergency airbrake hose to trailer

emergency coupling, and service airbrake hose to service

coupling. Hoses not hooked up properly may cause failure in

brake system.

(9)

Remove emergency airbrake hose coupling half (13) from hose support

(12), and attach to trailer emergency coupling half (18).

(10)

Remove service airbrake hose coupling half (14) from hose support (12),

and attach to trailer serviice coupling half (17).

2-137