TM
55-1730-229-12
AG
320A0-OMM-000
TO
35C2-3-473-1
TM
1730-12/1
c.
Install.
(10) Bleed fuel system of air in
(1) Apply pipe sealant, part num-
Continue bleeding until an air-free flow
ber LH-150, to interface threads of
of fuel is attained.
tube adapter (17), straight adapter (19)
elbow (25) and plug (27).
(2) Install tube adapter
a.
Inspect.
(17),
straight adapter (19), elbow (25) and
plug (27) in four-way valve (1).
(1) DELETED.
(3) Install cap nut (26) on elbow
(25).
arator (28) for dents, cracks, or other
damage. No dents or cracks are allowed.
(4) Install
assembled
four-way
valve (1) and secure to valve support
(3) Inspect filter fittings and
(20) by installing screws (24) washers
lines for leaks. If tightening fitting
(23), lock washers (22) and nuts (21).
does not stop leak, replace fitting or
line.
(5) Connect hose assembly (16) to
tube adapter (17). Torque hose assembly
(4) DELETED.
end fitting 120 20 inch-pounds.
b. Replace Cartridge.
(6) Connect hose assembly (18) to
straight adapter (19). Torque hose as-
sembly end fitting 120 20 inch-pounds.
(1) Set four-way valve (1, figure
(7) Close drain valve (1, figure
Aviation fuel is flammable and
irritant to skin, eyes and res-
piratory tract. Avoid repeated
Aviation fuel is flammable and
or prolonged skin contact. Handle
irritant to skin, eyes and res-
only in well ventilated areas.
piratory tract. Avoid repeated
Keep away from sparks, open flames
or prolonged skin contact. Handle
or other sources of ignition.
only in well ventilated areas.
Keep away from sparks, open flames
(2) Open drain valve (1, figure
or other sources of ignition.
4-47). Catch draining fuel in a suit-
able container.
(8) Fill fuel
tank with aviation
fuel.
(3) Remove shell assembly (2) from
head (3) by unscrewing blind probe (4).
(9) Set four-way valve (1, figure
(4) Remove and discard filter ele-
ment (5), O-ring (6) and gasket (7).
Change 2