TM-9-2320-272-23-2

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

TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 2 OF 5

SEPTEMBER 2012

TM-9-2320-272-23-2 - Page 594 of 1417

FIELD MAINTENANCE

ENGINE OIL COOLER MAINTENANCE (M939A2)

INITIAL SETUP:

Tools and Special Tools

Tool Kit, General Mechanic's: Automotive

(Volume 5, WP

0826, Table 1, Item 56)

Caps, Vise Jaw

(Volume 5, WP

0826, Table 1, Item 14)

Wrench, Torque, Ratcheting, Click 1/2" Drive,

250 Ft-Lb

(Volume 5, WP

0826, Table 1, Item 63)

Materials/Parts

Tape, Antiseizing

(Volume 5, WP

0825, Table 1, Item 65)

Bypass Valve

(Volume 5, WP

0827, Table 1, Item 159)

Gasket (Volume 5, WP

0827, Table 1, Item 145)

Qty:

1

Gasket (Volume 5, WP

0827, Table 1, Item 154)

Qty:

1

Materials/Parts (cont.)

O-ring (early model engines only)

(Volume 5, WP

0827, Table 1, Item 114)

Qty:

1

Washer (Volume 5, WP

0827, Table 1, Item 125)

Qty:

1

References

Volume 5, WP

0819

Equipment Condition

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

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

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

Coolant drained. (WP

0287)

Engine oil drained and filter removed. (WP

0232)

Alternator removed. (WP

0301)

TM 9-2320-272-23-2

0229

0229-1