Piper SARATOGA PA-32-301 Maintenance Manual page 306

PIPER AIRCRAFT
PA-32-301/301T
MAINTENANCE MANUAL
CLEANING FILTER ASSEMBLY.
1. Remove the access panel to the filter bowl on the bottom of the fuselage.
2. Remove fuel strainer bowl.
3. Remove filter disc assembly from center stem by compressing filter retainer spring and removing
filter retainer washer. (Refer to Figure 28-5.)
4. Inspect bowl gasket and replace it necessary.
5. Filter discs may be cleaned as follows:
A. Plug open ends of filter disc center with stoppers to prevent dirt from entering.
B. Wash metallic filter disc in acetone, gasoline, carbon tetrachloride. trichorethylene (permachor)
or Bendix cleaner. Wash nylon filter disc with soap and water.
- CAUTION -
Do not use acetone, methylethylketone, etc., to clean nylon filter
discs.
C. Remove stubborn deposits from filter disc with a soft bristle brush.
D. Rinse all traces of soap solution. Drain or blow dry and remove stoppers.
6. Replace the filter disc if damage is evident.
7. Reinstall filter disc assembly and strainer bowl.
INSTALLATION OF FUEL SELECTOR VALVE AND FILTER.
1. Position the valve inside the airplane just aft of the main spar.
2. Secure the valve with machine screws, washers and self-locking nuts.
3. Connect the fuel lines.
4. Connect fuel selector valve linkage to insure that selector handle engages the left indent position when
it is against the safety stop on the console cover.
5. Fill the fuel tanks and check all connections for leaks.
6. Install the rear seat and fuel drain placard cover.
7. Install the access plate to the bottom of the fuselage with attaching screws.
- NOTE -
When installing the fuel selector valve, it is recommended the
complete fuel system and tanks be drained andflushed to ascertain
no contamination is present. (Refer to Cleaning Fuel System.)
CLEANING FUEL SYSTEM.
1. Remove all fuel from tanks. The fuel should be drained through a chamois or other straining
equipment to inspect for the presence of foreign matter.
2. Each tank should be flushed by opening the tank drain and adding two-three gallons of clean fuel.
While the fuel is draining, the aircraft wing should be raised and lowered to allow the fuel to rinse any
contamination still remaining in the tank out the drain.
28-22-00
Page 28-18
Revised: August 11. 1983
2B13