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 227 of 481

TM 9-2320-272-10

2-126

f.

Lowering and Raising Dropsides.

(1)

Park vehicle where it can best be loaded or unloaded. Turn ignition

switch and battery switch to OFF and apply parking brake.

(2)

Turn locking handle (4) counterclockwise to loosen grasp ring (5) and

turn T-bolt (7) 90°. Remove locking handle (4) and repeat operation on opposite end

of dropside (2).

.

WARNING

.

• Troop seats, side rack braces, bows, side racks, and troop seat

securing pins must be secured in stowed position before lower-

ing dropside. Failure to do so may result in injury or death.

• Make sure side panel front locks are secured before lowering

tailgate or dropsides will fall. Failure to do so may result in

injury or death.

NOTE

This operation requires two crewmembers.

(3)

Grasp side rack (3) and carefully lower dropside (2).

(4)

To load from both sides:

(a)

Lower tailgate (1) (task b).

(b)

Remove locking handles (4) securing dropside (2) and lower drop-

side (2). Repeat operation for other side.

(5)

To raise dropside (2):

(a)

Raise dropside (2) and install T-bolt (7) at forward end. Place

T-bolt (7) in slot, turn 90 degrees and hold in position with ring (5). Turn locking

handle (4) clockwise to secure.

(b)

Raise opposite dropside (2) and secure it in position.

(6)

Raise tailgate (1) and install left rear and right rear locking handles (6).

2-23. OPERATION OF CARGO TRUCKS (Contd)