THE NEW PIPER AIRCRAFT, INC.
PA-32-301FT / 301XTC
MAINTENANCE MANUAL
PAGE 3
Jun 1/03
3I17
35-10-00
CHART 1
TROUBLESHOOTING OXYGEN SYSTEM
Trouble Cause Remedy
No indication of pressure Cylinder empty or leak in Purge, charge, and check
on pressure gauge. system has exhausted pressure. system for leaks.
Pressure gauge or regulator Replace gauge.
defective.
Pressure indication normal Oxygen cylinder regulator Remove tank and have
but no oxygen flowing. assembly defective. regulator removed.
Offensive odors in oxygen. Cylinder pressure below 50 psi. Purge the oxygen system.
Foreign matter has entered the Purge the oxygen system.
system during previous servicing.
WARNING: FAILURE TO CONSULT APPLICABLE VENDOR PUBLICATION(S), WHEN SERVICING
OR INSPECTING VENDOR EQUIPMENT INSTALLED IN PIPER AIRCRAFT, MAY
RENDER THE AIRCRAFT UNAIRWORTHY. (SEE INTRODUCTION - SUPPLEMENTARY
PUBLICATIONS.)
CA
UTION: DO NOT ATTEMPT TO TIGHTEN ANY CONNECTIONS WHILE THE SYSTEM IS
CHARGED.
CAUTION: BOTTLES WHICH HAVE BEEN EVACUATED TO 200 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, PURGE THE SYSTEM.
CA
UTION: MAKE SURE THERE IS NO OIL, GREASE, HYDRAULIC FLUID, OR FUEL IN THE
VICINITY OF ANY FITTINGS BEING SERVICED.
CA
UTION: DO NOT USE THREAD LUBRICANTS OF ANY KIND. USE TEFLON TAPE (3M NO. 48)
ON TAPERED PIPE THREADS, WITHOUT TAPE EXTENDING BEYOND THE FIRST
THREAD. SEE APPLICATION OF TEFLON TAPE THREAD SEALANT, BELOW.
CA
UTION: BEFORE WORKING WITH THE SYSTEM, MAKE SURE AIRCRAFT IS ELECTRICALLY
GROUNDED AND YOUR HANDS TOOLS, AND CLOTHES ARE FREE OF OIL, GREASE
AND DIRT.
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