TM10-3930-660-20 4-7. ENGINE OIL FILLER NECK -  REPLACE This task covers: a.  Removal b. Installation Initial     Setup Tools Materials/Parts Tool Kit, Automotive Mechanics O-Ring  (4) Equipment  Condition Vehicle parked on level ground. Engine oil drained, para. 4-3. Engine cool and off. The engine oil filler neck is accessed through the right-hand engine access door. 1. REMOVE CAP (1) FROM OIL FILLER NECK (2)  . 20 SUPPORT OIL FILLER NECK (2) AND REMOVE TWO CAPSCREWS (3). 3. REMOVE OIL FILLER NECK (2) AND O-RING (4) FROM ENGINE (5). DISCARD O-RING (4)  . INSTALLATION 1. ALIGN AND SUPPORT NEW O-RING (4) AND 2. 3. 4. OIL FILLER NECK (2) ON ENGINE-(5). SECURE OIL FILLER NECK (2) WITH TWO CAPSCREWS (3). TIGHTEN CAPSCREWS (3) TO 32 lb. ft. INSTALL CAP (1) ON OIL FILLER NECK (2) l FILL ENGINE WITH OIL, PARA. 4-3. 4-10