Fixed Oxygen Cylinder System Component Limits - Piper Malibu Meridian PA-46-500TP Airplane Maintenance Manual

FIXED OXYGEN CYLINDER SYSTEM COMPONENT LIMITS

Part
Regulator
Pressure Gauge
High Pressure Line
Low Pressure Line
Fill Valve
Mask
1. If the screen in front of valve is dirty, replace valve. Valve replacement is recommended every 5 years.
(5) Release catches on drawer slides and remove the drawer, oxygen cylinder, regulator, and
pressure gauge from the aircraft as an assembly.
(6) If further disassembly is required, it can be accomplished at the bench.
E. Installation
(1) Check pressure and refill cylinder as necessary, at the bench, before installing cylinder drawer
assembly in airplane.
(2) Inspect for leaks.
(3) Slide cylinder drawer assembly into drawer slides in the pyramid cabinet and ensure that
drawer slide catches have engaged.
(4) Connect low pressure line to cylinder. Tighten the nut by hand and then one quarter turn with a
wrench. If fitting is relatively new the nut might be turned 3/4 of a turn. Follow up by snugging
the nut slightly with a wrench.
(5) Connect post light electrical lead.
(6) Unsafety valve on cylinder. Check that valve remains in OFF position.
(7) Inspect for leaks, especially at fittings that have been separated.
F. Disassembly
(1) Pressure Gauge
The oxygen cylinder pressure gauge is installed in the top of the cylinder drawer assembly. (See
Figure 1.) The pressure gauge is fed by a high pressure capillary line from the regulator. Prior
to any work on the pressure gauge, remove cylinder assembly drawer per Fixed Oxygen
Cylinder System, Removal, above.
(a) Removal
At the bench:
1
6C11
PIPER AIRCRAFT, INC.
PA-46-500TP, MALIBU MERIDIAN
MAINTENANCE MANUAL
300 Flight Hours
300 Flight Hours
300 Flight Hours
300 Flight Hours
Each Use
At least once per year
Disconnect high pressure capillary line from the port on the regulator. Cap line and
port immediately after removal.
NOTE: Continuous pressure is applied to high pressure line until it is disconnected
from regulator. A check valve will close when high pressure line is
disconnected. The closing of this valve is frequently accompanied by a loud
popping sound.
CHART 2
Inspection Overhaul
5 Years
Replace on Condition
Replace on Condition
Replace on Condition
Every 5 Years 1
Every 6 Years
35-10-00
Apr 15/07
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