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8-22. Fuel Strainer. (PA-24-400)
The fuel strainer and fuel selector are one unit,
with the strainer assembly making up the lower
portion of the unit.
a.
Close the fuel selector valve.
b.
To clean and inspect the filter, remove the
access panel located at the bottom of the
fuselage. Remove the drain hose from the
drain tube on the bottom of the strainer
bowl.
c.
Remove the screws securing the strainer
bowl and separate the bowl from its housing.
d.
Remove filter disc assembly from center
stem by compressing filter retainer spring
and removing filter retainer washer. (Refer
to Figure 8-14.)
e.
Inspect the bowl gasket and replace as
required.
f.
Clean the filter disc assembly by plugging open ends of filter disc center hole with stoppers to
prevent dirt from entering. Wash the filter disc with acetone, gasoline, trichloroethylene or Bendix
cleaner. Heavy lint or dust deposits may be removed from disc with a soft bristle paint brush. Drain
or blow off cleaning fluid and remove stoppers.
g.
Inspect filter discs. If damage is evident, replace.
h.
Reinstall filter disc assembly with spring and retainer washer, strainer bowl, drain hose and fuselage
access panel.
8-23. Fuel Strainer, Bendix Plunger Pump . (PA-24-180, PA-24-250 & PA-24-260 with carburetor
induction.)
a.
Remove the safety wire securing the bottom cover and with a wrench, release the cover from the
pump body.
b.
Remove the filter, the magnet which may be part or separate from the cover and gasket.
c.
Wash the filter with solvent and blow out dirt and solvent with air pressure. Inspect the cover gasket
and replace if deteriorated.
d.
For information on further servicing of the pump refer to paragraph 8-24.
e.
Reinstall filter, magnet and cover being careful not to damage the filter or gasket. Safety the cover
and operate the pump to check for leakage.
8-24. Fuel Pumps.
8-25. Removal And Replacement.
The electric fuel pump(s) for the PA-24-180 and PA-24-250 with carburetor induction are located within
the engine compartment, attached to the lower right portion of the motor mount. The pump(s) for the
PA-24-250 with fuel injection, PA-24-260 and PA-24-400 are located under the cockpit floor and are
accessible by removing the right forward most floor panel.
a.
All pumps may be removed from the aircraft in approximately the same manner once access
04/01/09
PIPER COMANCHE SERVICE MANUAL
Figure 8-14. Fuel Strainer Disassembled,
2J7
PA-24-400
VIII - FUEL SYSTEM
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