DRAIN ENGINE OIL (2D ENGINE) (Sheet 1 of 3)
9/16 in. socket with 3/8 in. drive
10 in. extension with 1/2 in. drive
Torque wrench with 3/8 in. drive (0-200 lb-in) (0-23 Nm)
9/16 in. combination box and open end wrench
3/4 in. socket with 1/2 in. drive
SUPPLIES: Container to catch oil (minimum 20 gal. capacity)
Sealing washer (NAS1598-6V)
Rags (Item 65, Appendix D)
Lockwasher (MS35338-67) (4 required)
Open rear drain valve (TM 9-2350-222-10)
Remove upper engine access cover (page 16-40)
Hold valve seat (A) up when
removing last screw (B) attaching
valve seat (A) to hull floor (C).
Valve seat (A) is heavy and can
cause injury if it falls.
Using 3/4 inch socket, remove four screws (B)
While holding valve seat (A), use screwdriver
and pry valve seat (A) from hull floor (C).
Using putty knife, scrape gasket (E) from hull
floor (C) and valve seat (A). Throw gasket
Go on to Sheet 2