Installation Of Oxygen Cylinder And Regulator; Charging Valve; Removal Of Oxygen System Charging Valve; Installation Of Oxygen System Charging Valve - Piper PA-31-350 Maintenance Manual

PIPER AIRCRAFT
T-1020
MAINTENANCE MANUAL
3. Loosen and separate the mounting bracket assembly clamps that hold the cylinder in place.
4. The cylinder can be removed by first sliding it back to remove the retaining cable.
5. Remove the cylinder from the airplane using caution not to bump the neck of the cylinder and
regulator.
- CA UTION -
The cylinder must be completely discharged of all pressure prior
to removing the regulator.
INSTALLATION OF OXYGEN CYLINDER AND REGULATOR.
1. With the regulator attached to the cylinder, place the cylinder in the mounting brackets with the
regulator forward. Be careful not to bump the regulator and cylinder during installation.
2. Install the retaining cable around cylinder neck and position cylinder so the control on the
regulator aligns with the control cable.
3. Secure the cylinder in place by connecting and tightening the mounting bracket assembly clamps.
4. Connect the pressure lines and control cable to the regulator.
5. Install aft panel rear baggage compartment and secure with appropriate screws.
CHARGING VALVE.
REMOVAL OF OXYGEN SYSTEM CHARGING VALVE.
1. Remove the screws securing the rear panel in the aft baggage compartment and remove the panel.
2. Disconnect the tee fitting from the charging valve.
3. Remove the three nuts and bolts holding the charging valve in place and remove the valve through
the access door on the outside of the fuselage.
INSTALLATION OF OXYGEN SYSTEM CHARGING VALVE.
1. Place the valve into position through the access door and replace the three bolts and nuts.
2 Tighten the three bolts and reconnect the tee fitting.
3. Install aft panel in rear baggage compartment and secure with appropriate screws.
PRESSURE GAUGE.
REMOVAL OF PRESSURE GAUGE.
Ascertain that the control valve is closed and there is no pressure in the system.
1. Disconnect charging valve line from the regulator.
2. Disconnect the connector from the back of the pressure gauge.
3. Loosen and remove the retainer nut and clamp holding the gauge in place.
4. Pull the gauge out from the front of the panel.
35-14-08
Page 35-08
Issued: September 2, 1981
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