TM 5-4310-354-14
KEY to figure 6-7:
(2) Inspect filter housing (3), cover (13),
1. Acorn nut
17.
Pipe plug
bypass connection (14), and body (30) for
2. O-ring
18.
Cap screw
cracks, breaks, damaged threads, or any
3. Filter housing
19.
Spring guide
other defect.
4. O-ring
20.
Plunger
5. Nut (2)
21.
Spring
(3) Inspect springs (10, 16, 21, 28) for cracks,
6. Filter element
22.
Shuttle
breaks, distorted coils, or any other defect.
7. Element stud
23.
O-ring
8. Valve plug
24.
Spring nut
9. Bypass valve
25.
Power element
(4) Inspect power element (25) for distortion,
10. Valve spring
26.
Retaining ring
jamming, damaged threads, or any other
11. Cap screw (4)
27.
Flat washer
defect.
12. Lock washer (4)
28.
Relief spring
13. Cover
29.
Steel ball
(5) Inspect oil filter element (6) for bent,
14. Bypass connection
30.
Valve body
distorted, or ruptured screen discs.
15. O-ring (2)
31.
Oil filter
16. Spring
service decal
(6) Inspect all parts for cracks, breaks,
distortion, damaged threads, or any other
(1) Remove the acorn nut (1), o-ring (2), and
defect.
lift filter housing (3) off of stud and
element. Remove o-ring (4).
(7) Replace all damag ed parts.
(2) Unscrew and remove two nuts (5) from
CAUTION
stud (7). Lift filter element (6) off stud.
The stud (7) need be removed from
During
reassembly,
do
not
bypass connection (14) only when
overtighten the power element
replacement is necessary.
attaching
spring
nut
(24).
Overtightening can cause distortion
(3) Unscrew and remove valve plug (8),
of the power element (25) resulting in
bypass valve (9), and valve spring (10).
a malfunction.
(4) Remove four cap screws (11), four lock
d. Reassembly. Reassemble the oil filter-thermal
washers (12), separate cover (13) and
bypass valve assembly in the reverse numerical
bypass connection (14) from valve body
sequence shown in figure 6-7 as follows:
(30). Remove two o-rings (15) and spring
(16). Pipe plug (17) need not be removed
(1) Attach new oil filter service decal (31) to
except for replacement.
filter housing (3) as needed.
(5) Unscrew and remove cap screw (18),
(2) Assemble steel ball (29), relief spring (28),
spring guide (19), plunger (20), spring
flat washer (27), and retaining ring (26)
(21), and shuttle (22). Remove o-ring (23)
into valve body (30).
from shuttle (22).
(3) Place power element (25) in valve body
(6) Remove spring nut (24) and
power
(30) and attach with spring nut (24). Do
element (25) from valve body (30).
not over tighten nut (24).
(7) Remove retaining ring (26), flat washer
(4) Apply a light coating of clean lubricating oil
(27), relief spring (28), and steel ball (29)
or petroleum jelly on o-ring (23) and
from valve body (30).
assemble in groove on shuttle (22).
Assemble spring (21), plunger (20), spring
(8) Oil filter service decal (31) need not be
guide (19), and cap screw (18) to shuttle
removed from filter housing (3) except for
(22). Using a turning motion, insert shuttle
replacement.
assembly into valve body (30) being
careful not to damage o-ring (23).
c. Cleaning, Inspection, and Repair.
(5) Place spring (16) on spring guide (19),
(1) Clean parts in accordance with para 5-7.f.
assemble two o-rings (15), and assemble
Discard o-rings (4, 15, 23, figure 5-7).
6-13
