Piper Arrow IV Turbo Maintenance Manual page 463

MAINTENANCE.
1. Check the cylinder to be sure it is securely mounted.
2. Check the cylinder for the ICC identification number and for the date of the last FAA inspection and
test.
3. If cylinder is completely empty it must be completely disassembled and inspected in an FAA or
manufacturer approved facility before recharging.
4. Refer to FAA Manual AC 43.13-1A for more details.
REMOVAL OF OUTLETS.
l. Make sure the control valve is in the 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 fitting.
INSTALLATION OF OUTLETS.
l. 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 the 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:
When performing this operation make sure the area is a NO
SMOKING AREA, and it is as clean as possible of oil and dirt.
CHART 3504. PORTABLE OXYGEN SYSTEM COMPONENT LIMITS
PART
Regulator
Pressure Gauge
Outlets
Recharge Valve
Masks
PIPER AIRCRAFT
PA-28RT-201 / 201T
MAINTENANCE MANUAL
—CAUTION—
INSPECTION
300 Flight Hrs.
300 Flight Hrs.
300 Flight Hrs.
Each Use
Each Use
2H16
OVERHAUL
5 Years
5 Years
5 Years
Replace Every 5 Yrs.
Replace as Necessary
35-10-22
Page 35-18
Added: November 6, 1979