TM 1-1520-238-23
6-107
6.19.
ENGINE NOSE GEARBOX OIL FILTER BOWL, STRAINER ELEMENT, AND DIFFERENTIAL
PRESSURE SWITCH (RETAINER, RINGED TYPE) REMOVAL/INSTALLATION – continued
d. Examine orifices inside bowl for obstructions
or foreign matter.
(1) If obstructions or foreign matter cannot be
removed by cleaning, replace bowl.
e. Check pressure switch, bowl, and gearbox
housing for stripped, crossed, or flattened
threads. None allowed.
6.19.6. Installation
a. Install switch (5) in bowl (1).
(1) Lubricate new packing retainer (7), new pack-
ing (8), and mating surface of bowl (1). Use
assembly fluid (item 30, App F).
(2) Install packing retainer (7) and packing (8) on
switch (5).
(3) Install switch (5) in bowl (1).
(4) Install spirolox (6) on switch (5). Use retaining
ring pliers.
b. Install new packing (4) in housing (2).
(1) Lubricate packing (4). Use assembly fluid
(item 30, App F).
(2) Install packing (4) in housing (2).
c. Install new element (3) in housing (2).
(1) Lubricate two packings (9). Use assembly
fluid (item 30, App F).
(2) Install two packings (9) on element (3).
(3) Install element (3) in housing (2).
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M04-3365-4
1
5
6
7
8
9
3
ROTATED
180º
3
M04-3365-8
9
4
2
