Cleaning Fuel System; Electric Fuel Pump; Installation Of Fuel Selector And Filter Valve; 2J8 - Piper Cherokee Six Service Manual

PIPER CHEROKEE SIX SERVICE MANUAL
8-22. INSTALLATION OF FUEL SELECTOR AND FILTER VALVE.
a. Position the valve inside the airplane just aft of the main spar.
b. Secure the valve with machine screws, washers and self-locking nuts.
c. Connect the fuel lines.
d. 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.
e. Fill the fuel tanks and check all connections for leaks.
f. Install the rear seat and fuel drain placard cover.
g. 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 and flushed to
ascertain no contamination is present. (Refer to Paragraph
8-23.)
8-23. CLEANING FUEL SYSTEM.
a. 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.
b. 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.
c. After the valve is installed and the aircraft refueled, the fuel inlet line to the injector
or carburetor should be disconnected and with boost pump on, lines should be flushed while
selector is moved from one tank to another.
d. Make proper logbook entry.
8-24. ELECTRIC FUEL PUMP.
8-25. REMOVAL AND INSTALLATION OF ELECTRIC FUEL PUMP. The PA-32-260 is
equipped with two electric pulsate type fuel pumps in models bearing serial numbers 32-1 to
32-375 and one pulsate pump in models bearing serial numbers 32-376 and up. These pumps
are alike in construction
as shown in Figure 8-7. The PA-32-300 and PA-32R-300 are
equipped with one rotary vane type pump. All pumps may be removed by the following
procedure:
a. Turn the fuel selector tothe off position.
b. Remove the floor panel that is located directly aft of the main spar by removing the
center seats, seat belt attachments and the screws that secure the panel. Lift the panel and
remove it from the airplane.
c. On PA-32-260 remove the pump cover located in the left side of the floor opening.
d. Disconnect the electrical lead from the pump.
e. Disconnect the inlet and outlet lines from the pump.
f. Remove the pump by removing the pump attachment bolts.
g. Reinstall the fuel pump in reverse of removal instructions.
FUEL SYSTEM
Revised: 6/18/76
2J8