Piper Dakota - Troubleshooting (Fuel System)

28 - 02 - 00
Page - 28-03
Reissued: August 1, 1986
2A21
CHART 2801. TROUBLESHOOTING (FUEL SYSTEM)
Failure of fuel to flow. Blockage in fuel line. Flush fuel system.
Blockage of cap vent. Check and clean vent hole in
cap.
Failure of mechanical or Check and replace if nec-
electrical fuel pump. essary.
Failure of fuel selector to be Check position of selector
in proper position. and adjust if required.
Damage of fuel selector Replace fuel valve.
valve.
Fuel gauge fails to operate. Broken wire. Check and repair.
Gauge inoperative. Replace.
Float partially or completely Replace float.
filled with fuel.
Circuit breaker open or fuse Check and reset or replace.
blown.
Incomplete ground. Check ground connections
at fuel transmitter in wings.
Float and arm assembly of Check fuel transmitter in
fuel transmitter in wing wings and repair or replace.
sticking.
Fuel gauge indicates full Complete ground on trans- Check ground connections
when tanks are not full. mitter wire. at fuel transmitting in wings.
No fuel pressure indication. Fuel valve stuck. Check valve.
No fuel in tanks. Check fuel level and fill.
Defective fuel pump. Check pump for pressure
build up. Check diaphragm
and relief valves in engine
pump. Check for obstructions
in electric pump. Check bypass
valve. Air leak in intake lines.
TROUBLE CAUSE REMEDY
PIPER AIRCRAFT
PA-28-236
MAINTENANCE MANUAL