TM-9-2320-272-24-1

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

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 1 OF 4

JUNE 1998

TM-9-2320-272-24-1 - Page 542 of 1015

3-60. RADIATOR

TM 9-2320-272-24-1

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

NOTE

• Refer to para. 3-64 for removing and installing fan and shroud.

• Perform steps 1 through 3 only if parts were removed.

Install radiator support (13) in engine compartment (12) with four washers (14), screws (17), and

new locknuts (8).

Install control assembly (23) on radiator support (12) with screw (15) and new locknut (24).

Install radiator mounting bracket (19) on control assembly (23) with two screws (18), washers (16),

and new locknuts (22).

NOTE

Assistant needed for steps 4 and 5.

Position radiator (1) in vehicle.

Attach radiator (1) to mounting bracket (19) with four screws (21) and washers (20). Hand tighten

screws (21).

Install two washers (9) and screws (10) and (11) through bracket (19) and into bottom of radiator (1).

Tighten screws (10), (11), and (21) to 40 lb-ft (55 N•m).

Connect lower hump hose (6) to outlet of radiator (1) and tighten clamp (7).

Connect upper hump hose (26) to inlet of radiator (1) and tighten clamp (25).

Wrap male threads of elbows (3) and (4) with antiseize tape and install in radiator (1).

Install adapter (2) in elbow (3) and connect hose (5) to adapter (2).

Install two washers (28), new lockwashers (29), and screws (30) through bracket (27) and into

radiator (1). Tighten screws (30) to 40 lb-ft (55 N•m). Bend tabs of lockwashers (29) over flats of

screws (30).

3-178