TM 10-3930-669-20 3-5.  ENGINE OIL FILTER ADAPTER ASSEMBLY REPLACEMENT/REPAIR (CONT). a. Removal. WARNING Engine oil is slippery and can cause falls.  To avoid injury, wipe up spilled oil with rags. CAUTION Area around oil filter must be very clean.  Any contaminants entering oil filter mount will damage equipment. (1) Using wiping rags, clean area around oil filter (1). (2) Position wiping rags under oil filter (1) to catch excess engine oil. (3) Remove  oil  filter  (1)  and  preformed  packing  (2)  from  oil  filter  adapter  assembly  (3).    Discard  filter  and preformed packing. 3-12