Piper SARATOGA PA-32-301 Maintenance Manual page 392

PIPER AIRCRAFT
PA-32-301/301T
MAINTENANCE MANUAL
REMOVAL OF OUTLETS.
1. Make sure control valve is in full off position.
2. Connect a mask or connector to the valve to release any pressure.
3. Using a suitable spanner wrench. remove the outlet.
4. The outlet can now be removed from the low pressure line.
INSTALLATION OF OUTLETS.
1. Apply sealant (Permacel 412) to the male end of the fitting.
2. Install the outlet to the regulator extension with a suitable spanner wrench.
3. Torque the fittings into the outlets approximately 30 inch-pounds. Do not over torque as this could
damage the outlet.
PURGING OXYGEN SYSTEM.
The system should be purged whenever the cylinder pressure falls below 50 PSI or if any lines are left open
for any length of time. Also. if bottle is left at below 200 PSI it may develop odors from bacterial growth.
This will make it necessary to purge the system. Use the following procedures:
- CA UTION -
When performing this operation make sure the area is a No
Smoking Area, and is as clean as possible of oil and dirt.
1. Keep all doors and windows open.
2. Connect the oxygen recharging unit to the filler valve.
3. Plug the oxygen masks into the outlet valves and turn on the system.
4. Set the recharging unit pressure regulator to deliver 50 psi and let the system purge for one hour. If
any odor is still present repeat the procedure for one or more hours. If the odor persists after the second
purging. send the unit to its manufacturer. or an approved shop.
CLEANING OF FACE MASKS.
The disposable masks are designed for one-time use and require no maintenance. The pilot's and copilot's
masks can be cleaned as follows:
1. Remove the microphone from the mask.
2. Remove the sponge rubber discs from the masks turrents. Do not use soap to clean sponge rubber
discs. as this would deteriorate the rubber and give off unpleasant odors. Clean in clean water and squeeze dry.
3. Wash the rest of the mask with a very mild solution of soap and water.
4. Rinse the mask thoroughly to remove all traces of soap.
5. Make sure the sides of the breathing bag do not stick together while drying. as this may decrease the
life of the rubber in the bag. The mask can be sterilized with a solution of 70 percent ethyl alcohol.
-END -
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Page 35-20
Added: May 21. 1980
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