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 582 of 1015

TM 9-2320-272-24-1

NOTE

Male pipe threads must be wrapped with antiseize tape before

installation.

1.

Install new gasket (29) and aftercooler (6) on engine block (26) with thirteen screws (14). Tighten

screws (14) 28 lb-ft (24 N•m).

2.

Install two new seals (22) and elbows (21) and (23) on engine block (26).

3.

Install two hoses (17) and water supply tube (27) on aftercooler (6) and elbow (21) with four hose

clamps (19).

4.

Install two hoses (18) and water return tube (20) on aftercooler (6) and elbow (23) with four hose

clamps (16).

5.

Install clamping plate (25) on engine block (26) with screw (24).

6.

Install crossover tube (15) on aftercooler (6) and turbocharger (28) with two clamps (16).

7.

Install two clamps (11) on aftercooler (6) with two screws (9).

8.

Install clamp (10) and throttle control solenoid bracket (2) on aftercooler (6) with two screws (3).

9.

Connect plug (1) to wiring harness plug (13).

10.

Rotate two clamps (8) into position on aftercooler (6) and install with screws (7) and (4).

11.

Install tube brace (12) on aftercooler (6) with screw (5).

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