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 251 of 481

TM 9-2320-272-10

2-150

(10)

Install chains (6) in lower chain slots (7).

(11)

Raise and lower dump body as required. Refer to task 6, steps 4 through 10.

(12)

After dump operation, remove two bracket pins (2) and raise tailgate (4).

Swing two tailgate wings (3) to sides of dump body and reinsert bracket pins (2) into

upper hinged brackets (1).

(13)

Remove chains (6) from lower chain slots (7).

(14)

Secure tailgate wings (3) to retaining hooks (8).

(15)

Insert chains (6) in upper chain slots (9).

d.

Spreader-Type Dump Operation.

NOTE

This operation requires two crewmembers. Perform steps 2

through 6 on left side first.

(1)

Position vehicle for dumping and apply parking brake lever (17). Place

transmission selector lever (11) in N (neutral).

(2)

Remove chain (6) from upper chain slot (9).

(3)

Thread chain (6) through chain brace (5) at corner of tailgate (4).

(4)

Unfasten retaining hook (8) from tailgate wing (3) and swing wing (3)

fully to the rear of vehicle.

(5)

Loop chain (6) under tailgate (4), take up slack, and insert link of chain (6)

into lower chain slot (7).

(6)

Return tailgate wing (3) to side of dump body and secure with retaining

hook (8).

(7)

Repeat steps 2 through 6 for other side of tailgate (4).

2-25. OPERATION OF DUMP TRUCKS (Contd)