Failure Of Fuel To Flow; Fuel Quantity Gauge Fails To Operate; No Fuel Pressure Indication - Piper PA-44-180 SEMINOLE Maintenance Manual

CHART 2801. TROUBLESHOOTING (FUEL SYSTEM)
Trouble

Failure of fuel to flow.

Fuel Quantity gauge fails
to operate.

No fuel pressure indication

PIPER AIRCRAFT
PA - 4 4 - 1 8 0 / 1 8 0 T
AIRPLANE MAINTENANCE MANUAL
Cause
Fuel line blocked.
Fuel vent cap blocked.
Mechanical or electrical
fuel pump failure.
Fuel selector valve in
improper position.
Damaged fuel selector
valve.
Broken wire.
Gauge inoperative.
Fuel sender float partially
or completely filled with
fuel.
Circuit breaker open.
Float and arm assembly of
fuel sender sticking.
Bad ground.
Fuel selector valve stuck.
Fuel tanks empty.
Defective gauge.
Fuel selector valve in
improper position.
2A23
Remedy
Flush fuel system.
Check and clean vent hole
in cap.
Check and replace if necessary.
Reposition as required.
Check for obstructions in
the fuel selector leverage
mechanism.
Check fuel selector cable for
freedom of movement.
Replace fuel selector
valve.
Check and repair.
Replace gauge.
Replace sender.
Check and reset.
Check.
Check for good contact at
ground lip or rear of gauge.
Check fuel selector valve.
Check fuel tanks and fill.
Replace gauge.
Reposition fuel selector
valve lever.
Revised: May 15, 1989
2 8 - 0 2 - 0 0
Page 28-03