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 557 of 1015

3-66. THERMOSTATS

TM 9-2320-272-24-1

1.

Clean all parts and mating surfaces (para. 2-14).

2.

Inspect all other parts (para. 2-15).

3.

Replace all parts failing inspection.

1.

Install two thermostats (9) in engine block (10).

2.

Install new gasket (8) on engine block (10).

3.

Install thermostat housing (7) on engine block (10) with two screws (6).

4.

Install new gasket (5) and adapter (4) on thermostat housing (7) with two screws (1). Tighten

screws (1) and (6)

5.

Install bracket (18) on thermostat housing (7) with four screws (17).

6.

Move alternator (15) up with bracket (16), and install two washers (14) and screws (13). Tighten

screws (13) 35 lb-ft (45 N°m).

7.

Tighten link screw (12).

8.

Install hose (2) on adapter (4) with clamp (3).

NOTE

Go to follow-on tasks.

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