(2)
Put the warning notice(s) in position to tell persons that the RAT is in operation.
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B. Open the access doors 197EB and 195BB. Subtask 29-22-00-865-118
C. Make sure that this(these) circuit breaker(s) is(are) closed: -------------------------------------------------------------------------------
PANEL ------ DESIGNATION ------------------------------------------------------ IDENT. LOCATION-------------------
49VU HYD/HYD/PRESS/XMTR 1841GN C11
49VU HYD/RAT/CTL 2801GE D14
106VU CSM/G /EV/MAN/SPLY 6XE B04
121VU HYDRAULIC/RAT/SPLY/EXTN/SOL1 2803GE P33
Subtask 29-22-00-865-119
D. Open, safety and tag this(these) circuit breaker(s):
------PANEL ------------------------------------------------------DESIGNATION -------------------IDENT. LOCATION
-------------------------------------------------------------------------------105VU ELEC/CSM/G /EV AUTO/SPLY 7XE C01
Subtask 29-22-00-860-120
E. Aircraft Maintenance Configuration
(1)
Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
(2)
Do the EIS start procedure (Upper ECAM DU and lower ECAM DU only) (Ref. TASK 31-60-00-860-001)
(3)
Make sure that the SAFETY DEVICE - RAT (98D29208246001) is removed from the RAT stowage compartment.
4. Procedure
_________
WARNING : MAKE SURE THAT THE RAT TRAVEL RANGE IS CLEAR BEFORE YOU
_______ EXTEND/RETRACT THE RAT.
NOTE : Make sure that a second person is in position to observe the
____ extension of the RAT before you push the MAN RAT ON pushbutton.
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A. Operational Test of the Manual Deployment of the RAT
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the ECAM control panel:
-press the HYD pushbutton.
2. On the overhead panel 40VU:
CAUTION : DO NOT PUSH THE RAT MAN
_______ ON PUSHBUTTON SWITCHES FOR MORE THAN 1 MINUTE YOU WILL CAUSE DAMAGE IF YOU PUSH THE RAT MAN ON PUSHBUTTON SWITCHES FOR MORE THAN 1 MINUTE.
-lift the guard and push the RAT MAN ON switch.
3.
Retract the RAT (Ref. TASK 29-22-00-869-006).
4.
On the overhead panel 21VU:
On the lower ECAM DU:
-
the HYD page is shown.
-
the RAT triangle symbol is shown white.
At the RAT stowage area:
-
the RAT fully extends. On the glare shields:
-
the MASTER CAUTION light comes on and you can hear a single chime.
On the HYD page of the lower ECAM DU:
-
the RAT triangle symbol changes to green when the RAT is fully extended.
On the upper ECAM DU:
-
the legends RAT FAULT and RAT OUT are shown in amber.
The RAT retracts in its stowage area.
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