Pratt & Whitney Rzeszów S.A.
MAINTENANCE MANUAL
PZL-10W ENGINE
79-02-00
1996.09.05
Page 702
Export Control Classification: PL/UE 9E999
B.
Fine oil filter inspection and cleaning (see Dwg. 5 and 5a).
(1)
Check
the
indicating
element
position,
acc.
to
recommendations
of
item
2.A
(ref. to engines equipped with filter contamination indicator).
(2)
Disassemble the oil filter as follows:
(a)
The first version (Dwg. 5).
Unlock and undo the cap (10). Remove the filter from the housing and
inspect filter visually.
(b)
The second version (Dwg. 5a).
Unlock and undo the four nuts (18). Remove the filter from the housing
and inspect filter visually.
(3)
Clean the filter in the fuel. Drain the fuel through the screen (filter cloth, filter paper
etc.) and check for chips.
(4)
Remove in the following order from the filter cage (5): securing ring (16), cup (14),
washers (11) (count them), filtering elements (12), washer (11), spring (4).
(5)
Remove the oil from the oil area (1 3) using syringe or similar devise.
(6)
Place the filtering elements on the fixture (see Airborne Tools) in following
order:
seal ring - filtering element - seal ring - filtering element etc. Tighten the
nut
on
the
fixture
to
eliminate
the
clearance
between
the
seal
rings
and
filtering elements.
(7)
Place the fixture with the filtering elements in the vessel with solvent (see
72-02-00 Table 202, item 3) for 20-30 min.
(8)
Clean the filtering elements in the solvent using brush (see 72-02-00 Table
202, item 18).
(9)
Repeat cleaning of filtering elements in the clean solvent and dry them in air.
(10)
Remove the filter elements from the fixture and check their condition and cleanness.
CAUTION:
1 .
IT IS FORBIDDEN TO REMOVE THE CONTAMINATIONS
FROM THE FILTERING ELEMENTS MECHANICALLY.
2.
MECHANICALLY
DAMA GED
FILTERING
ELEMENTS
OR
W ITH
NOT
REMOVED
CONTAMINATIONS
REPLACE
W ITH NEW (SEE 72-02-00 TABLE 203, ITEM 29)
