On the ECAM lower DU:
-
the index of the Green (Yellow) hydraulic fluid level moves up,
On the ECAM lower DU:
-
the pressure in the Green (Yellow) hydraulic system decreases to less than 700 psi in not more than 60 s from operation of the P/BSW.
The single chime audio warning operates.
On the glareshield panels 130VU and 131VU:
-the MASTER CAUT lights come on.
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ACTION RESULT -------------------------------------------------------------------------------
5.
Stop the operation of the sidestick and rudder pedals.
6.
On the ENG/APU FIRE panel 1WD of the overhead panel 20VU:
-push the ENG 1 FIRE (ENG 2 FIRE) P/BSW,
-make sure that the P/BSW guard goes back to its initial position.
7. Stop the dry motoring of the left (right) engine (Ref. TASK 71-00-00-710-001).
On the ENG/APU FIRE panel 1WD of theoverhead panel 20VU:
-
the SQUIB lights of the ENG 1FIRE/AGENT 1 and ENG 1 FIRE/AGENT 2(ENG 2 FIRE/AGENT 1 and ENG 2 FIRE/AGENT 2) go off.
On the ECAM lower DU:
-
the fire valve symbol of the GREEN (YELLOW) hydraulic system changes from 90 degrees out-of-line and amber-colored to in-line and green-colored.
-
the pressure in the Green (Yellow) hydraulic system increases,
-
the index of the Green (Yellow) hydraulic fluid level goes back to its initial position.
On the glareshield panels 130VU and 131VU:
-
the MASTER CAUT lights go off.
NOTE : It is possible that you must
____ reset the MASTER CAUT lights, if messages other than ENGINE NO. 1(2) shut down, be displayed on the ECAM.
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ACTION RESULT -------------------------------------------------------------------------------
8. Open the overhead panel 49VU to get access to the pins of the circuit breaker 1703GK (3702GD).
WARNING : BE VERY CAREFUL WHEN
_______
YOU DO WORK ON CIRCUIT
BREAKER PANELS. THERE
IS A HIGH VOLTAGE
BEHIND THESE PANELS.
9. Connect a digital ammeter (with a range of less than 500mA) between the terminal 1 and terminal 2 of the circuit breaker 1703GK (3702GD) with alligator clips.
NOTE : Make sure that the digital ammeter is correctly calibrated.
____
10.
Open the circuit breaker 1703GK(3702GD)
11.
Make sure that the ammeter shows 0 mA.
NOTE : Take into account the tolerance of the digital ammeter.
____
NOTE : If the ammeter does not show 0 mA, replace the fire shut-off valve
____ 1046GK (3046GD) (Ref. TASK 29-11-52-000-001) and (Ref. TASK 29-11-52-400-001) or ((Ref. TASK 29-13-52-000-001)) and ((Ref. TASK 29-13-52-400-001)).
NOTE : With a permanent operation of the electrical motor of the fire
____ shut-off valve, because of an incomplete opening of the valve, the current range can be from 25 mA (clutch worn) to 400 mA.
12.
Disconnect the ammeter.
13.
Close the circuit breaker 1703GK (3702GD).
14.
Install the overhead panel 49VU.
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Subtask 29-10-00-720-051-A
A. Do this test
WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS ARE
_______ CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE.
CAUTION : MAKE SURE YOU DO NOT CAUSE AN ACCIDENTAL DISCHARGE OF THE
_______ ENGINE FIRE EXTINGUISHERS. THE ENGINE FIRE EXTINGUISHERS ARE ARMED DURING THE TEST.
CAUTION : DO NOT START OR DRY MOTOR THE ENGINES WITH A HYDRAULIC GROUND
_______ POWER SUPPLY CONNECTED TO THE AIRCRAFT. IF YOU DO, YOU CAN CAUSE DAMAGE TO THE ENGINE PUMPS.
NOTE : This procedure as written is for the valve 1046GK, differences in
____ the procedure for the valve 3046GD are shown in brackets.
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