TM-9-2320-272-10

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

TECHNICAL MANUAL; OPERATOR'S MANUAL

SEPTEMBER 2004

CHANGE 2

TM-9-2320-272-10 - Page 373 of 481

TM 9-2320-272-10

3-8. ENGINE SERVICE (Contd)

b. Engine Crankcase Oil Level.

CAUTION

• Never operate engine in M939/A1 series vehicles with oil level

below L (low) level mark or above H (high) level mark.

• Never operate engine in M939A2 series vehicles below ADD

2 QTS (low) mark or above FULL (high) mark on dipstick.

(1)

Engine oil level dipstick (4) is located on right side of engine below

coolant surge tank (1) on M939/A1 series vehicles, and behind alternator (2) on

M939A2 series vehicles.

(2)

On M939/A1 series vehicles, turn dipstick (4) handle counterclockwise to

release from dipstick tube (3).

(3)

Pull dipstick (4) from dipstick tube (3).

(4)

Wipe dipstick (4) clean and return to dipstick tube (3).

(5)

Slowly pull dipstick (4) from dipstick tube (3) and read level.

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