MAIN HYDRAULIC POWER - ADJUSTMENT/TEST
______________________________________
TASK 29-10-00-710-001
R Operational Check of Hydraulic Fire Shut Off Valves and Associated Indicating R System
1. Reason for the Job
__________________
Refer to the MPD TASK: 291000-09
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific digital ammeter (with a range of less than 500 mA)
FOR FIN 1046GK
No specific access platform 3 m (9 ft. 10 in.)
FOR FIN 3046GD
No specific access platform 3 m (9 ft. 10 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied
from the External Power 29-11-52-000-001 Removal of the Engine Pump Fire-Valve (1046GK) 29-11-52-400-001 Installation of the Engine Pump Fire-Valve (1046GK) 29-13-52-000-001 Removal of the Engine Pump Fire-Valve (3046GD) 29-13-52-400-001 Installation of the Engine Pump Fire-Valve (3046GD) 31-60-00-860-001 EIS Start Procedure 31-60-00-860-002 EIS Stop Procedure
3. Job Set-up
__________ Subtask 29-10-00-860-071
A. 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)
On the ECAM control panel, push the HYD key. Make sure that the HYD page comes into view on the ECAM lower DU.
Subtask 29-10-00-865-077
B. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU HYD/FIRE VALVE/Y/ENG2 3702GD C14 49VU HYD/FIRE VALVE/G/ENG1 1703GK C13
Subtask 29-10-00-010-065
C. Get Access
(1)
FOR 1046GK -put the access platform in position below the access panel 574AB. -open the access panel 574AB.
(2)
FOR 3046GD -put the access platform in position below the access panel 674AB. -open the access panel 674AB.
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4. Procedure
_________ Subtask 29-10-00-710-050
A. Do this test.
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the ENG/APU FIRE panel 1WD of the overhead panel 20VU:
-lift the guards and release the ENG 1 FIRE and ENG 2 FIRE pushbutton switches (P/BSW).
2. On the ENG/APU FIRE panel 1WD of the overhead panel 20VU:
-push the ENG 1 FIRE and ENG 2 FIRE P/BSW.
The single chime audio warningoperates.
On the glareshield panels 130VU and 131VU:
-
the MASTER CAUT lights come on.
On the ECAM lower DU:
-
the fire valve symbols of the Green and Yellow hydraulic systems change from in-line and green-colored to 90 deg. out-of-line and amber-colored.
On the fire shut-off valve (1046GK/3046GD):
-
the valve position indicator shows "SHUT".
On the glareshield panels 130VU and131VU:
-
the MASTER CAUT lights go off.
On the ECAM lower DU:
-
the fire valve symbols of the Green and Yellow hydraulic systems change from out-of-line and amber-colored to in-line and green-colored.
On the fire shut-off valve (1046GK/3046GD):
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-------------------------------------------------------------------------------
ACTION RESULT -------------------------------------------------------------------------------
-the valve position indicator shows "OPEN".
-make sure that the P/BSW guards
go back to their initial
positions.
3. Open the overhead panel 49VU to
get access to the pins of the
circuit breaker 1703GK (3702GD).
R WARNING : BE VERY CAREFUL WHEN
_______ R YOU DO WORK ON CIRCUIT R BREAKER PANELS. THERE
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