CHART 3501. TROUBLESHOOTING (OXYGEN SYSTEM) (cont)
Trouble Cause Remedy
Effective pressure indicated but Oxygen cylinder regulator Vacate bottle and replace
no oxygen flow with clear lines. assembly defective. regulator assembly.
1
Return to manufacturer or have
repaired by an approved shop.
2
Offensive odors in oxygen . Cylinder pressure below 5 psi, or Purge oxygen system as
foreign matter in system. prescribed in this chapter.
NOTES:
1
Fixed oxygen system affected only.
2
Portable oxygen system affected only.
CREW/PASSENGER SYSTEM.
—CAUTION—
Do not attempt to tighten any connections while the system is
charged.
Bottles which have been evacuated to 5 psi for a significant
length of time, or those that do not produce an audible hissing
sound when the valve is cracked, should be removed and
hydrostatically tested. If either of these conditions has existed for
a significant length of time it also is recommended that the
system be purged. Make sure that no oil, grease, hydraulic fluid,
or fuel is in the vicinity of any fittings being serviced.
Do not thread lubricant of any kind. Teflon tape (M.M.M. No. 48)
should be used on TAPERED pipe threads without the tape
extending beyond the first thread, refer to affective information
in this chapter.
Before working with the system make sure the aircraft is
electrically grounded, and your hands and cloths are free of oil,
grease, and dirt.
35-10-00
Page 35-04
Added: November 6, 1979
2H2
PIPER AIRCRAFT
PA-28RT-201 / 201T
MAINTENANCE MANUAL