28 - 02 - 00
Page - 28-04
Reissued: August 1, 1986
2A22
CHART 2801. TROUBLESHOOTING (FUEL SYSTEM) (cont)
No fuel pressure indication. Defective gauge. Replace gauge.
(cont)
Failure of fuel selector to be Check position of selector and
in proper position. adjust if required.
Pressure low or pressure Obstruction in inlet side of Trace lines and locate ob-
surges pump. struction.
Faulty bypass valve. Replace.
Faulty diaphragm. Replace or rebuild pump.
Unidentified leak. Fuel line damaged or im- Locate and repair or tighten.
properly installed.
Fuel valve leaks. Worn O-rings. Replace O-rings or valve.
TROUBLE CAUSE REMEDY
PIPER AIRCRAFT
PA-28-236
MAINTENANCE MANUAL
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