Piper Navajo PA-31 Service Manual page 66

Temperature
F
110
100
90
80
70
60
50
40
PIPER NAVAJO SERVICE MANUAL
e.
When the pressure gauge on the recharge unit or in the airplane reaches 1800 to 1850 psi. close
the pressure regulator valve on the recharge unit. Disconnect the filler hose from the filler valve; replace the
protective cap on the filler valve and close the access cover. Check the cylinder pressure according to Table
II-III after the cylinder temperature stabilizes.
TABLE II-III. INDICATED OXYGEN PRESSURES
FOR GIVEN AMBIENT TEMPERATURES
Indicated Cylinder Pressure (psig)
1980
1935
1890
1845
1800
1755
1710
1665
Revised: 9/23/80
HANDLING AND SERVICING
1C18