A320飞机维护手册 AMM AIR CONDITIONING 空调 3(15)

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R  - The outflow valve symbol shows 
R  approx. 50 DEG. open when the 
R  differential pressure in the fuselage 
R  is less than 1 psi. 
R  2. On the ECAM control panel 11VU:  On the ECAM lower display unit: 
R  - push the BLEED pushbutton  - the BLEED page comes on. 
R  switch. 
R  On the ECAM lower display unit: 
R  - the ram air inlet symbol opens (the 
R  maximum operation time 20 s). 
R
 3. On the AIR COND panel 30VU:  On the AIR COND panel 30VU:
 - lift the black guard and push  - the white ON pushbutton switch light
 the RAM AIR pushbutton switch.  goes off. 
R  4. On the ECAM control panel 11VU:  On the ECAM lower display unit: 
R  - push the PRESS pushbutton  - the CAB PRESS page comes on. 
R  switch.
 On the ECAM lower display unit:
 - the outflow valve symbol shows fully
 open.
 On the ECAM upper display unit:
 - the green RAM AIR ON memo message
 goes off. 
R  5. On the ECAM control panel 11VU:  On the ECAM lower display unit:

 

 -------------------------------------------------------------------------------
ACTION RESULT -------------------------------------------------------------------------------- push the BLEED pushbutton - the BLEED page comes on. switch. - the ram air inlet symbol is closed.
 5. Close-up________
 Subtask 21-31-00-860-060
 A. Put the aircraft back to its initial configuration. 
R  (1) Do the ADIRS stop procedure (Ref. TASK 34-10-00-860-005). 
R  (2) Do the EIS stop procedure (Ref. TASK 31-60-00-860-002). 
R  (3) De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).

 

 TASK 21-31-00-710-006 Operational Test of Safety Valve Position Indication WARNING : MAKE SURE THAT ALL THE CIRCUITS IN MAINTENANCE ARE ISOLATED BEFORE
_______ YOU SUPPLY ELECTRICAL POWER TO THE AIRCRAFT.
 NOTE : For the test procedure two persons are required. One person must operate
____ the safety valve, the other person must monitor the ECAM upper and lower display units and the panels 130VU and 132VU in the cockpit.
 1.
 Reason for the Job

__________________
 Refer to the MPD TASK: 213100-07

 2.
 Job Set-up Information

______________________
 A. 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 31-60-00-860-001 EIS Start Procedure 31-60-00-860-002 EIS Stop Procedure
 3. Job Set-up
__________ Subtask 21-31-00-010-050
 A. Get access to the safety valves through the rear galley wall. Subtask 21-31-00-865-056
 B. Make sure that this(these) circuit breaker(s) is(are) closed:
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
49VU AIR COND/CAB/PRESS/CTL1 1HL D09 122VU AIR COND/CAB PRESS/CTL/MAN 3HL Y23 122VU AIR COND/CAB PRESS/CTL/2 2HL Y22 Subtask 21-31-00-860-061

 C. 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 PRESS page is shown on the ECAM lower display unit.

 4. Procedure
_________ Subtask 21-31-00-710-056
 A. Operaional Test of the Safety Valve Position Indication NOTE : The test procedure is the same for the safety valves 6HL and 7HL.
____
 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On one of the safety valves: On the ECAM lower display unit:
 -push the valve diaphragm until - the green SAFETY indication changes
 the spring is compressed.  to amber and the valve symbol opens and changes to amber.
 On the panels 130VU and 132VU:
 -
the amber light in the two MASTER CAUTION pushbutton switches come on.
　
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