Gaskets, Engine

TM 5-3835-222-BD

c. Coat other mating surface with gasket sealer.

d. Join components and bolt.

Option 3: Gasket sealer.

a. Remove old gasket material and residue.

b. Coat mating surfaces with silicone gasket sealer.

c. Allow silicone sealer to form a skin (10 to 15 minutes).

4. Joine components and bolt.

Record BDAR action taken. When the mission is completed, as soon as practicable, repair the

equipment using standard maintenance procedures.

3-6. Gaskets, Engine. Engine cylinder head gaskets seal both compression and fluid galleries.

Leakages can be detected through.

a. lack of power

b. rough, uneven engine operation

c. abnormal pressure in crankcase or cooling system

d. contaminants in oil or cooling system

BDAR procedures are more difficult to perform on cylinder head gaskets, but limited operation can

be restored. Frequent checks must be made for leakage and temperature changes. Engine

speeds should be reduced.

Limitations:

Degraded power output.

Personnel/Time Required:

1-2 soldiers - 2.0 - 6.0 hrs.

Materials/Tools:

Epoxy (appendix C, section II, item 11)

Wire, Copper (appendix C, section II, item 50)

Gasket Sealer (Hardening) (appendix C, section II, item 14)

Procedural Steps:

Option 1: Gasket sealer.

a. Remove cylinder head.

b. Locate leaking area.

3-3