Troubleshooting Chart (Oxygen System) - Piper Navajo Chieftain PA-31-350 Service Manual

NAVAJO CHIEFTAIN SERVICE MANUAL
TABLE XIV-II. TROUBLESHOOTING CHART (OXYGEN SYSTEM)
Trouble
Cause
Remedy
No indication of pressure
Cylinder empty or leak in
Charge system and check
on pressure gauge.
system has exhausted
for leaks.
pressure.
Pressure gauge defective.
Replace pressure gauge.
Pressure indication normal
Oxygen cylinder regulator
Replace regulator assembly.
but no oxygen flowing. assembly defective.
Offensive odors in oxygen.
Cylinder pressure below
Purge the oxygen system.
50 psi.
Refer to Paragraph 14-22.
Foreign matter has entered
the system during previous
servicing.
Reissued: 9/23/80
ACCESSORIES AND UTILITIES
4E14