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 572 of 1015

TM 9-2320-272-24-1

THIS TASK COVERS:

a. Removal

b. Installation

APPLICABLE

MODELS

REFERENCES (TM)

M939/A1

TM

9-2320-272- 10

TOOLS

TM

9-2320-272-24P

General mechanic’s tool kit (Appendix E, Item 1)

EQUIPMENT CONDITION

Torque wrench (Appendix E, Item 146)

Parking brake set (TM 9-2320-272-10).

MATERIALS/PARTS

Hood raised and secured (TM 9-3220-272-10).

Right splash shield removed (TM 9-2320-272-10).

Four locknuts (Appendix D, Item 313)

Locknut (Appendix D, Item 299)

Six lockwashers (Appendix D, Item 354)

1.

Remove four locknuts (1), eight washers (2), and four screws (3) from corner shroud (4). Discard

locknuts (1).

2.

Remove screw (5) and washer (6) from corner shroud (4) and radiator (7).

3.

Remove locknut (11), washers (12) and (9), screw (8), and comer shroud (4) from bracket (10).

Discard locknut (11).

4.

Remove six screws (13), lockwashers (14), and fan (16) from fan hub (15). Discard lockwashers (14).

NOTE

Ensure fan installation does not block fan drive clutch lockup

holes.

1.

Install fan blade (16) on fan hub (15) with six new lockwashers (14) and screws (13). Tighten

screws (13) 25-31 lb-ft (34-42 N•m).

2.

Install comer shroud (4) on bracket (10) with washer (9), screw (8), washer (12), and new locknut (11).

3.

Install comer shroud (4) on radiator (7) with washer (6) and screw (5).

4.

Secure comer shroud (4) on radiator (7) with four washers (2), screws (3), washers (2), and new

locknuts (1).

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