TM 10-3930-669-20 CAUTION Area around filter must be very clean.  Any contaminants entering oil filter adapter assembly will damage equipment. (4) Using wiping rags clean area around oil filter (4). (5) Position wiping rags under oil filter (4) to catch excess engine oil. (6) Remove oil filter (4) and preformed packing (5) from oil filter adapter assembly (6).  Discard filter  and preformed packing. b. Cleaning/Inspection. (1) Inspect oil filter adapter assembly for cracks and damage. (2) Replace damaged parts or notify supervisor. c. Installation. (1) Coat  surface  of  preformed  packing  (5)  with  a light coat of clean engine oil. (2) Install oil filter (4) with preformed packing (5) on oil filter adapter assembly (6).  Tighten oil filter one-half  turn  after  preformed  packing  contacts oil filter adapter assembly. (3) Remove wiping rags from under oil filter (4). (4) Coat  preformed  packing  (2)  with  clean  engine oil. (5) Install preformed packing (2) and drain plug (1) in drain plate (3). 3-25

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