TM-9-2320-272-10

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; OPERATOR'S MANUAL

SEPTEMBER 2004

CHANGE 2

TM-9-2320-272-10 - Page 256 of 481

TM 9-2320-272-10

2-155

2-26. OPERATION OF TRACTOR AND FIFTH WHEEL (Contd)

(16)

Check semitrailer lights:

(a)

Turn light switch (1) to STOP TURN position or SER DRIVE

(service drive) position.

(b)

Operate turn signal switch (4) and direct ground guide to check

for proper operation of semitrailer signal lights.

(c)

Depress brake pedal and direct ground guide to check for

proper operation of semitrailer stoplights.

(17)

Turn crank (12) to raise landing gear (14) on semitrailer.

(18)

Stow landing gear float pads (15) in racks (13), and remove wheel

chocks (16).