Piper Cherokee LANCE, Service Manual

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PIPER CHEROKEE SIX / LANCE SERVICE MANUAL
VIII - FUEL SYSTEM 03/27/08
2J8
8-17. FUEL SELECTOR VALVE AND FILTER.
8-18. FUEL SELECTOR VALVE OPERATION. When the fuel selector handle is not in a positive selector
detent position, more than one fuel port will be open at the same time. It should be ascertained that the
fuel selector is positioned in a detent, which can be easily felt when moving the handle through its
various positions.
8-19. REMOVAL OF FUEL SELECTOR VALVE AND FILTER.
CAUTION: NO FIELD DISASSEMBLY OR REPAIR OF FUEL SELECTOR VALVES IS
AUTHORIZED. MAINTENANCE IS LIMITED TO REMOVAL AND REPLACEMENT
OF THE WHOLE UNIT.
a. Drain fuel from tanks. (Refer to Draining Fuel System, Section II.)
b. Remove center seats, seat belt attachments and floor panel just aft of the main spar by removing the
floor attachment screws. Lift the panel and remove.
c. Remove plate from bottom of the fuselage which covers fuel selector.
d. Disconnect the fuel lines and selector linkage from valve assembly.
e. Remove the four mounting screws which hold the fuel selector in place and remove the selector
assembly.
8-20. CLEANING FILTER ASSEMBLY.
a. Remove the access panel to the filter bowl on the bottom of the fuselage.
Figure 8-5. Fuel Selector and Filter