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 386 of 1015

3-6. VALVE

TM 9-2320-272-24-1

THIS TASK COVERS:

a. Removal

b. Cleaning and Inspection

c. Installation

INITIAL SETUP:

APPLICABLE MODELS

REFERENCES (TM)

M939A2

TM 9-2320-272-10

TOOLS

TM 9-2320-272-24P

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

Torque wrench (Appendix E, Item 144)

MATERIALS/PARTS

Gasket (Appendix D, Item 160)

Two locknuts (Appendix D, Item 280)

Six O-rings (Appendix D, Item 427)

Seal (Appendix D, Item 600)

O-ring (Appendix D, Item 431)

Cap and plug set (Appendix C, Item 14)

EQUIPMENT CONDITION

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

Hood raised and secured (TM 9-2320-272-10).

Reservoirs drained (TM 9-2320-272-10).

Coolant drained (para. 3-53).

Air cleaner hose removed (para. 3-13).

GENERAL SAFETY INSTRUCTIONS

Drycleaning solvent is flammable and toxic.

Ensure drainvalve on aftercooler is open when

filling cooling system.

CAUTION

Cover turbocharger ports immediately after removing attaching

parts to prevent foreign objects from lodging in blades of

turbocharger.

NOTE

l

Tag all lines and connections for later installation.

l

Plug all lines when removed to prevent dripping fluids and

contaminated lines.

3-22