Oxygen System Troubleshooting - Piper PA-44-180 SEMINOLE Maintenance Manual

TROUBLESHOOTING. (Refer to Chart 3501)
CHART 3501. TROUBLESHOOTING (OXYGEN SYSTEM)
Trouble
No indication of pressure on
pressure gauge.
Effective pressure indicated
but no oxygen flow with
clear lines.
Offensive odors in oxygen.
1
NOTES: Fixed oxygen system affected only.
2
Portable oxygen system affected only.
PIPER AIRCRAFT
PA - 4 4 - 1 8 0 / 1 8 0 T
AIRPLANE MAINTENANCE MANUAL
Cause
Cylinder empty and/or leak in
system has exhausted pressure.
(Refer to appropriate section of
this manual for effective
maintenance.)
Pressure gauge defective.
Oxygen cylinder regulator
assembly defective.
Cylinder pressure below 5 psi, or
foreign matter in system.
2J12
Remedy
1 Purge, charge, and check
system for leaks.
2
Charge bottle and check system
for leaks.
1
Replace pressure gauge.
2
Return unit to manufacturer or
take to an approved shop.
1
Vacate bottle and replace
regulator assembly.
2
Return to manufacturer or have
repaired by an approved shop.
Purge oxygen system as
prescribed in this chapter.
Revised: May 15, 1989
3 5 - 1 0 - 0 0
Page 35-04