PIPER SENECA II SERVICE MANUAL
01/01/09 XIV - ACCESSORIES AND UTILITIES
3C22G
TABLE XIV-IX. TROUBLESHOOTING CHART (OXYGEN SYSTEM)
Trouble Cause Remedy
No indication of Cylinder empty or leak Change system and
pressure on pressure in system has check for leaks.
gauge. exhausted pressure.
Pressure gauge defective Replace pressure
gauge.
Defective regulator. Replace regulator.
Pressure indication Oxygen cylinder regulator Replace regulator
normal but no oxygen assembly defective. assembly.
flowing.
Control out of adjustment. Adjust control.
Offensive odors in Cylinder pressure Purge the oxygen system.
oxygen. below 50 psi. Refer to Paragraph 14-12.
Foreign matter has entered
the system during previous
servicing.
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