TM-9-2320-272-24-2

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

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 2 OF 4

JUNE 1998

TM-9-2320-272-24-2 - Page 768 of 991

4-6. ENGINE

THIS TASK COVERS:

a Removal

b. Installation

TM 9-2320-272-24-+2

INITIAL SETUP:

APPLICABLE MODELS

REFERENCES (TM)

All

TM 9-2320-272-24P

TOOLS

GENERAL SAFETY INSTRUCTIONS

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

• All personnel must stand clear during lifting

Lifting device

operations.

Utility chain

• Engine container pressure must be released before

MATERIALS/PARTS

opening container.

Forty-two lockwashers (Appendix D, Item 392)

Four lockwashers (Appendix D, Item 377)

WARNING

Engine container is pressurized. Ensure pressure is released

before opening container. Failure to do so may cause injury or

death to personnel.

1.

Remove forty-two nuts (2), lockwashers (3), screws (4), and upper container section (1) from lower

container section (5). Discard lockwashers (3).

2.

Remove two screws (11), lockwashers (14), and trunnion cap (13) from front trunnion mount (12)

and engine (6). Discard lockwashers (14).

3.

Remove two screws (15), lockwashers (17), and washers (19) from rear trunnion mount (18) and

flywheel housing (16). Discard lockwashers (17).

NOTE

Perform step 4 for late model engines.

4.

Loosen two hose clamps (9) and remove breather tube (8) from breather (7) and elbow (10).

4-86