TM 9-2320-272-24-1
1.
Install oil filter head (3) in soft-jawed vise.
WARNING
Pressure regulator is under spring tension. Use care when
removing plug. Failure to do so may result in injury to personnel,
2.
Remove plug (7), washer (6), spring (8), and pressure regulator plunger (9) from port (10) and bore (11).
Discard washer (6).
3.
Remove oil filter adapter (1) from oil filter head (3).
4.
Remove plugs (2) and (4) from oil filter head (3).
CAUTION
When removing bypass valve, be careful not to score oil filter
head. Failure to do so may cause an improper seal resulting in
damage to engine.
5.
Using screwdriver, position blade of screwdriver behind bypass valve (5) and pry bypass valve (5) out
of oil filter head (3). Discard bypass valve (5).
6.
Remove oil filter head (3) from soft-jawed vise.
1.
For general cleaning instructions, refer to para. 2-14.
2.
For general inspection instructions, refer to para. 2-15.
3.
Inspect pressure regulator plunger (9) for freedom of movement in bore (11). Replace plunger (9) if
sticking or binding in bore (11).
4.
Inspect spring (8) for pits and cracks. Replace spring (8) if damaged.
NOTE
Ensure bypass valve is completely seated in oil filter head.
1.
Install oil filter head (3) in soft-jawed vise. Install new bypass valve (5) on oil filter head (3).
2.
Wrap male threads of oil filter adapter (1) and plugs (2), (4), and (7) with antiseize tape.
3.
Install oil filter adapter (1) on oil filter head (3). Tighten oil filter adapter (1) 60 lb-ft (81 Nm).
4.
Install pressure regulator plunger (9), spring (8), new washer (6), and plug (7) in bore (11) at port (10).
Tighten plug (7) 60 lb-ft (81 Nm).
5.
Install plugs (2) and (4) on oil filter head (3).
6.
Remove oil filter head (3) from soft-jawed vise.
3-14
