**ON A/C 052-055, 057-057,
Subtask 35-23-00-860-052
F. Preparation for the test
(1) Make sure that the AHS ON pushbutton switch 899WR on the overhead panel 21VU is in the normal position.
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
4. Procedure
_________
R **ON A/C 001-049, 051-051, 056-056, 058-099, 101-105, 151-199, 201-299,
Subtask 35-23-00-720-052
A. Do the functional test of the 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. At the vacuum source: On the panel 21VU:
-slowly increase the pressure to - the SYS ON indicator light comes on
14800 ft. (4500 m). at 14000 +0 -500 ft. (4260 +0 -150 m).
In the cabin:
-
the emergency announcement starts at 14000 +0 -500 ft. (4260 +0 -150 m).
On all the emergency oxygen containers:
-
the doors open to the maximum permitted by the door stops.
2. At the vacuum source:
-slowly decrease the pressure to
0 ft. (0 m).
-------------------------------------------------------------------------------
ACTION RESULT -------------------------------------------------------------------------------
3. On the panel 50VU:
-push the TMR RESET pushbutton switch.
-release the TMR RESET
pushbutton switch.
4. On the Forward Attendant Panel (FAP) 120RH:
-push the PRE REC ANN. STOP pushbutton switch.
**ON A/C 052-055, 057-057,
Subtask 35-23-00-720-052-BOn the panel 50VU:
-
the ON indicator light on the TMRRESET pushbutton switch comes on.
On the panel 21VU:
-
the SYS ON indicator light goes off.
On the panel 50VU:
-
the ON indicator light on the TMR RESET pushbutton switch goes off.
In the Cabin:
-
the emergency announcement stops.
A. Do the functional test of the 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. At the vacuum source: On the panel 21VU:
-slowly increase the pressure to - the SYS ON indicator light comes on
14800 ft. (4500 m). at 14000 +0 -500 ft. (4260 +0 -150 m).
In the cabin:
-the emergency announcement starts at 14000 +0 -500 ft. (4260 +0 -150 m).
On all the emergency oxygen containers:
-------------------------------------------------------------------------------
ACTION RESULT -------------------------------------------------------------------------------
2. At the vacuum source:
-slowly decrease the pressure to 0 ft. (0 m).
3. On the panel 50VU:
-push and hold the TMR RESET pushbutton switch.
-release the TMR RESET
pushbutton switch.
4. On the Forward Attendant Panel (FAP) 120RH:
-push the PRE REC ANN. STOP pushbutton switch.
5. In the cabin at the first and second seatrow:
-close the doors of all related emergency oxygen containers.
6. On the overhead panel 21VU:
-push the AHS ON pushbutton switch.
7. At the vacuum source:
-slowly increase the pressure to 16800 ft. (5120 m).
-the doors open to the maximum permitted by the door stops.
On the panel 50VU:
-
the ON indicator light on the TMRRESET pushbutton switch comes on.
On the panel 21VU:
-
the SYS ON indicator light goes off. On the panel 50VU:
-
the ON indicator light on the TMRRESET pushbutton switch goes off.
In the Cabin:
-
the emergency announcement stops.
On the overhead panel 21VU:
-
the On legend in the AHS ONpushbutton switch comes on.
On the panel 21VU:
-
the SYS ON indicator light comes onat 16000 +0 -500 ft. (4870 +0 -150 m).
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
In the cabin:
- the emergency announcement starts at
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