R R (3) Examine the chemical oxygen generators:
R R (a) Make sure that: - The condition indicator is yellow.
NOTE : A replacement of the chemical oxygen generator is____ necessary, if the condition indicator is black (Ref. TASK 35-21-00-920-001).
- There are no damages, corrosion, cracks or tension on the outlet fittings.
R R R R (b) Serviceability check of the oxygen generator: - Read the manufacturing date on the label of the oxygen generator. - Obey the manufacturer's instructions.
(4) Examine the oxygen masks: - For cracks - For color changes - For dirt.
(5) Examine the flexible supply hoses: - For correct attachment to the reservoir bag and the generator - For kinks - For color changes.
R (6) Examine the reservoir bags: - For correct connection to the mask and the supply hoses - For tears - If you can read the inscription.
(7) Examine the elastic head band: - For over extension - For elasticity - For correct attachment to the mask.
R (8) Do a check of the lanyards:
CAUTION : DO NOT PULL THE GENERATOR-END OF THE LANYARD._______
R R - Give the lanyard to mask connection a strong, short pull to make sure that the connection is satisfactory. - Make sure that the lanyards are free and do not catch any part in the emergency oxygen container.
R (9) Close the door of the emergency oxygen container:
R R (a) Make sure that there is nothing caught between the door and the body of the emergency oxygen container.
R (b) Close the door.
R (c) Make sure that the latch engages.
R (10) Install the oxygen container on its position (Ref. TASK 35-21-41-400-001).
Subtask 35-23-00-860-063
B. Aircraft Maintenance Configuration
(1) On all the emergency oxygen containers pull out the door stops with your fingers and turn them 90 degrees to the TEST position.
R **ON A/C 001-049, 051-051, 056-056, 058-099, 101-105, 151-199, 201-299,
Subtask 35-23-00-720-054
C. Functional test of automatic mask release
NOTE : The prerecorded announcements are normally established by the____ operator in accordance with the PRAM-Vendor. You can hear the emergency announcement only if it is recorded.
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1.
On the circuit breaker panel 49VU:
- open circuit breaker 2WR and 3WR:
2.
On the overhead panel 21VU:
-lift the switch guard and push and hold the MASK MAN ON pushbutton switch for more than 30 sec.
On the overhead panel 21VU:
-the SYS ON indicator light comes on.
-------------------------------------------------------------------------------
ACTION RESULT -------------------------------------------------------------------------------
In the cabin:
- all doors of the emergency oxygen containers open.
- the emergency announcements are heard.
On the maintenance panel 50VU:
- after approx. 30 sec. the FAULT indicator light in the TMR RESET pushbutton switch comes on.
- release the MASK MAN ON pushbutton switch. - the FAULT indicator light in the TMRRESET pushbutton switch goes off.
3. On the maintenance panel 50VU:
- push the TMR RESET pushbutton switch. - the On indicator light in the TMRRESET pushbutton switch comes on during the time the pushbutton is pushed.
On the overhead panel 21VU:
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