Piper CHEROKEE WARRIOR PA-28-151 1995 Maintenance Manual page 320

PIPER CHEROKEE WARRIOR SERVICE MANUAL
2 . Select a fuel tank.
During flushing operation, agitate fuel within the tank to help
pick up and remove any dirt.
3 . Turn electric fuel pump ON. Flush fuel through the system until it is determined there is no
dirt and foreign matter in the fuel valve or tank.
c. Repeat procedure for other tank.
d. After both tanks have been flushed, clean all fuel filters.
Trouble
Failure of fuel to flow.
Fuel gauge fails to operate.
Fuel gauge indicates full when
tanks are not full.
Revised: February 28, 1995
N O T E
TABLE IX-VII. FUEL SYSTEM TROUBLESHOOTING
Cause
Blockage in fuel line.
Blockage of cap vent.
Failure of mechanical or electri-
cal fuel pump.
Failure of fuel selector to be in
proper position.
Damage of fuel selector valve.
Broken wire.
Gauge inoperative.
Circuit breaker open or fuse
blown.
Fuel transmitter not c o m p l e t e l y
g r o u n d e d.
Sticking fuel transmitter float and
arm assembly in wing tank(s).
Incomplete ground on transmitter
wire
2B8
Island Enterprises
Remedy
Flush fuel system.
Check and clean vent hole in cap.
Check and replace fuel pump(s)
if necessary.
Check position of selector and
adjust if required.
Replace fuel selector valve.
Check and repair.
Replace gauge.
Check and reset circuit breaker or
replace fuse.
Check ground connections at fuel
transmitter in wings.
Check fuel transmitter float and
arm in wing tank(s). Repair or
replace.
Check ground connections.at fuel
transmitter in wings.
FUEL SYSTEM