TROUBLESHOOTING.
Troubles peculiar to the fuel system are listed in Chart 2801 along with their probable causes and
suggested remedies. When troubleshooting, check from the power supply to the items affected. If no trouble is
found by this method, the trouble probably exists inside individual pieces of equipment; they may be removed
from the airplane and an identical unit or units, tested and known to be good, installed in their place.
CHART 2801. TROUBLESHOOTING CHART (FUEL SYSTEM)
Trouble Cause Remedy
Failure of fuel to flow. Fuel line blocked. Flush fuel system.
Fuel vent cap blocked. Check and clean vent
hole in cap.
Mechanical or electrical Check and replace if
fuel pump failure. necessary.
Fuel selector valve in Reposition as required.
improper position.
Damaged fuel selector Replace fuel selector
valve. valve.
Fuel quantity gauge fails Broken wire. Check and repair.
to operate.
Gauge inoperative. Replace gauge.
Fuel sender float partially Replace sender.
or completely filled with
fuel.
Circuit breaker open. Check and reset.
Float and arm assembly Check.
of fuel sender sticking.
Bad ground. Check for good contact at
ground lip or rear of gauge.
28-00-02
Page 28-03
December 1, 1978
2A22
PIPER AIRCRAFT
PA-28RT-201 / 201T
MAINTENANCE MANUAL
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