TOPIC 15. OIL PAN

TM 10-3930-644-14&P

TOPIC 15. OIL PAN

A. DESCRIPTION

leakage.

Make

necessary

repairs

replacement.

The oil pan (Figure 6-1) which is the reservoir for engine

lubricating oil, contains a drain plug which is removed for

3. If engine has not been overhauled, inspect filler

periodic draining of oil. The oil pan is sealed and

block neoprene seals to make certain they are in

secured to the crankcase assembly with a gasket and

good condition.

If seals need replacement

capscrews. Front and rear of the oil pan have semi

follow the procedure in TOPIC 14. FILLER

circular cuts which receive the filler blocks assembled to

BLOCKS AND OIL PAN.

the cylinder block. The filler blocks contain oil seals and

guards to prevent foreign material from entering the front

D. INSTALLATION

and rear main bearings. Refer to TOPIC 14. FILLER

BLOCKS AND OIL GUARD.

1. Cement new gasket to oil pan side rails and to

oil pan ends.

B. REMOVAL

2. Position oil pan on cylinder block rails and

Engine must be removed In order to detach oil pan.

secure with capscrews and lockwashers.

Torque capscrews 18 to 21 ft. lbs.

1. Run engine until normal operating temperature

is reached.

3. Install drain plug in oil pan.

2. Remove oil pan drain plug, and drain oil.

4. Install engine. (See ENGINE INSTALLATION.).

3. Remove engine (see ENGINE REMOVAL.)

5. Install oil filter. Fill oil pan with correct oil. Refer

to LUBRICANT AND FUEL SPECIFICATIONS

4. W ith the engine resting on its side, remove

MANUAL for correct grade and type of oil.

capscrews from edge of oil pan, and remove oil

pan.

NOTE

When changing oil, the oil filter must

C. INSPECTION

also be changed, and 4-1/2 qts. of oil

replaced.

1. Wash oil pan with cleaning solvent and dry with

compressed air.

6. Run engine and check for oil leaks around oil

pan and at filter.

2. Inspect oil pan for evidence of cracks or other

damage. Inspect drain plug boss for evidence of

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