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e) Connect the oxygen supply hose to the charging valve.
WARNING : ALWAYS OPEN VALVES SLOWLY TO AVOID A TEMPERATURE RISE AND SLOWLY CHARGE THE SYSTEM AT A RATE NOT EXCEEDING 200 PSI (13.7 BAR) PER MINUTE.
f) Slowly charge the cylinder up to the required pressure.
g) Close the oxygen supply valve and allow oxygen cylinder temperature to stabilize.
h) Check the cylinder pressure on the pressure gage and, if necessary, top off the cylinder to the required pressure.
i) Purge pressure from the oxygen supply hose of the oxygen charging cart and disconnect it from the charging valve.
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Validity : S/N 1 - 9999 12-16 0 (BA) SEP 04
Page 301
j) Install the cap onto the charging valve.
8) Make sure all the tools and materials are removed and the work area is clean and free from debris.
9) Close access door 219.
10) Remove the warning sign prohibiting main switch-breaker operation.
11) Disconnect the ground cable.
,
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Validity : S/N 1 - 9999 12 1 6-00Page 302
(BA) SEP 04
PRESSION DE REMPLISSAGE ( BAR )
CHARGE PRESSURE ( BAR )
79 86,1 93 100 106,9 113,8 120,6 127,5 134,5 141 148 155
°F 140 60 °C
130 54,4
120 48,9
110
/
43,3
100
37,8
90 32,2
80 26,7
70 21,1 60
/
15,6
50 10
40 4,4
30 1,1
20 6,7
10 -12,2
0 17,8
-10 -23,3
-20 -28,9
-30 -34,4
-40 40
-50 45,6
-60 51,1
-70 56,7
1150 1250 1350 1450 1550 1650 1750 1850 1950 2050 2150 2250
PRESSION DE REMPLISSAGE ( PSI G )
CHARGE PRESSURE ( PSI G )
Oxygen - Temperature / pressure chart
Table 301
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(BA) SEP 04
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Validity : S/N 1 - 9999 12-1 6-00Page 304
(BA) SEP 04
SCHEDULED SERVICING
DESCRIPTION AND OPERATION
1. GENERAL
The scheduled servicing operations are :
- lubrication - refer to 12-21-00,
- cleaning - refer to 12-22-00.
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Validity : S / N 1 - 9999 12-20-00 Page 2
(BA) JUN 02
CLEANING
MAINTENANCE PRACTICES
CAUTION : AS WASHING MAY CAUSE ELIMINATION OF GREASE AT JOINTS AND PARTICULARLY AT THE STABILATOR ANTI-TAB AND AT THE LANDING GEARS, REGREASE ALL JOINTS AS REQUIRED.
NOTE 1 : Cleanliness of the aircraft is essential for its safety and correct operation. Accumulated oil, grease or dirt may hide areas or equipment items requiring servicing. Moreover, they constitute fire risks and cause air resistance.
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TB20 MAINTENANCE MANUAL 12 SERVICING TB20飞机维护手册 12 保养(53)
