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 TM 55-1905-222-14
3-9 SERVICE RAMP SYSTEM RESERVOIR, STRAINERS AND FILTERS (Continued).
2. CLEAN FILTER HOUSING
WARNING
Dry cleaning solvent, P-D-680, used to clean parts,
is potentially dangerous to personnel and property.
Avoid repeated or prolonged skin contact. Do not
use near open flame or excessive heat. Flash point
of solvent is 1000 - 1380F (38- 59 ).
C
a. Discard any oil from filter housing
(2)
b. Clean filter housing (2), conical
spring (8), backup washer (9), and
center post (I) in solvent
3. INSPECT SPRING AND WASHER.
a. Inspect conical spring (8) for bends
and loss of tension.
Inspect
backup washer (9) for wear and
tear.
b. Get new conical spring (8) and
backup washer (9) if above
conditions are found.
4. ASSEMBLE AND INSTALL FILTER.
a. Assemble new center post gasket
(5) and filter housing (2) on center
post (1).
b. Install conical spring (8), backup
washer (9), and new filter element
seal (6), in filter housing (2).
c. Install new filter element (4), new
filter element seal (6) and housing
seal 'O' ring (7).
d. Fill filter housing with clean
hydraulic oil MIL-L-17672 to
displace air.
e. Install the filter assembly onto the
filler head (3).
3-35
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