A320飞机维护手册 AMM AIR CONDITIONING 空调 2(13)

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R  5HQ, 6HQ. 
R  (6) Do an operational test of the ventilation system of the avionics 
R  equipment (Ref. TASK 21-26-00-710-001). 
R  **ON A/C ALL 
R  5. Close-up________ 
R  Subtask 21-26-00-410-084 
R  A. Close Access 
R  (1) Make sure that the work area is clean and clear of tool(s) and other 
R  items. 
R  (2) Close the access door 824. 
R  (3) Remove the access platform(s). 
R  Subtask 21-26-00-942-084 
R  B. Safety Precautions 
R  (1) Put WARNING NOTICE in position in the cockpit to tell the crew that 
R  the skin air-inlet valve and the conditioned-air inlet valve are 
R  deactivated. 
R  (2) Make an entry in the log book.

 

R  Subtask 21-26-00-862-084 
R  C. Aircraft Maintenance Configuration 
R  (1) Do the EIS stop procedure 
R  (Ref. TASK 31-60-00-860-002). 
R  (2) De-energize the aircraft electrical circuits 
R  (Ref. TASK 24-41-00-862-002).

 

 TASK 21-26-00-440-004
 Reactivation of the Skin Air Inlet Valve (15HQ)
 1. Reason for the Job
__________________
 Refer to the MMEL TASK: 21-26-05
 Avionics Equipment Ventilation
 Skin Air Inlet Valve

 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
 -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s)
 No specific access platform 1.5 m (4 ft. 11 in.)
 No specific access platform 3 m (9 ft. 10 in.)

 B. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
21-26-00-710-001 Operational Check of System via MCDU 24-42-00-861-001 Energize the Ground Service Network from the External Power 24-42-00-862-001 De-energize the Ground Service Network Supplied from the External Power 21-26-00-991-009 Fig. 404
 **ON A/C 001-049, 051-058, 101-101,
 21-26-00-991-005 Fig. 405
R **ON A/C 059-099, 102-149, 151-199, 201-299, 301-399, 401-499,
 21-26-00-991-005-A Fig. 405A
R 1EFF : ALL 1 21-26-00Page 438 1 1 Aug 01/05 1 1 1CES 1 **ON A/C ALL

 3. Job Set-up
__________
 CAUTION : USE ONLY THE GROUND SERVICE NETWORK TO SUPPLY ELECTRICITY BECAUSE

_______ THE AVIONICS VENTILATION SYSTEM IS NOT SERVICEABLE. IF YOU ENERGIZE THE AIRCRAFT ELECTRICAL CIRCUITS WITHOUT THE VENTILATION SYSTEM YOU WILL CAUSE DAMAGE TO ELECTRICAL EQUIPMENT.
 Subtask 21-26-00-861-064
 A. Energize the ground service network (Ref. TASK 24-42-00-861-001). Subtask 21-26-00-865-082
 B. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU AIR COND/AVNCS VENT/CTL 6HQ D06 49VU AIR COND/AVNCS VENT/CTL 5HQ D05
 Subtask 21-26-00-010-081
 C. Get Access
 (1)
 Put the access platform in position on the left side of the aircraft, below the valve 15HQ.

 (2)
 Put the access platform in position at the access door 824.

 (3)
 Open the access door 824.

 4. Procedure
_________ Subtask 21-26-00-440-054
 A. Reactivation of the Skin Air Inlet Valve **ON A/C 001-049, 051-058, 101-101,
 (Ref. Fig. 405/TASK 21-26-00-991-005)
 1EFF : ALL 1 21-26-00Page 439 1 1 Aug 01/05R 1 1 1CES 1

 

R **ON A/C 059-099, 102-149, 151-199, 201-299, 301-399, 401-499,
 (Ref. Fig. 405A/TASK 21-26-00-991-005-A)
 **ON A/C ALL

 CAUTION : DO NOT USE FORCE TO TURN THE HANDLE. THERE ARE SHEAR PINS IN
_______ THE HANDLE. IF YOU APPLY FORCE TO THE HANDLE WHEN THE FLAP IS IN THE FULLY OPEN OR CLOSED POSITION, THE SHEAR PINS WILL BREAK.
 (1)
 On the skin air-inlet valve 15HQ, push the PUSH latch to release the handle.

 (2)
 Pull the handle and set the deactivation switch to ON.

 (3) Stow and latch the handle.
 Subtask 21-26-00-865-083

 B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 5HQ, 6HQ
　
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