A320飞机维护手册 AMM AIR CONDITIONING 空调 2(45)

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No specific access platform 1.6 m (5 ft. 3 in.)
 B. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
21-26-00-710-001 Operational Check of System via MCDU 21-26-51-710-001 Operational Test of the Blower and Extract Fans (18HQ, 20HQ) (without the CFDS) 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 26-15-15-400-001 Installation of the Smoke Detector (1WA) - Avionics
 Compartment 52-41-00-410-002 Close the Avionics Compartment Doors after Access 21-26-41-991-002 Fig. 402
 3. Job Set-up
__________
 WARNING : MAKE SURE THAT AIR IS NOT SUPPLIED TO THE AIR CONDITIONING SYSTEM
_______
 FROM THE MAIN ENGINE, THE APU OR A GROUND SOURCE.
 HOT COMPRESSED AIR CAN CAUSE INJURY TO PERSONNEL.

 

 Subtask 21-26-41-860-051
 A. Aircraft Maintenance Configuration
 (1) Make sure that the ground service network is energized (Ref. TASK 24-42-00-861-001).
 Subtask 21-26-41-865-054
 B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU AIR COND/AVNCS VENT/CTL 6HQ D06 49VU AIR COND/AVNCS VENT/CTL 5HQ D05 122VU AIR COND/AVNCS/VENT/MONG 3HQ Y17

R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
 123VU AVNCS VENT/EXTC/FAN 2HQ AE02 **ON A/C ALL
 123VU AVNCS VENT/BLOWER/FAN 1HQ AD10 **ON A/C 301-399,
 123VU AVNCS VENT/EXTC/FAN 2HQ AC04 **ON A/C ALL
 Subtask 21-26-41-010-053
 C. Get Access
 (1)
 Make sure that the access platform is in position at the access door

 824.

 (2)
 Make sure that the access door 824 is open.

 

 4. Procedure
_________
 (Ref. Fig. 402/TASK 21-26-41-991-002) R **ON A/C 001-049, 053-099, 101-149, 151-199, 201-299, 301-399, 401-499,
 Subtask 21-26-41-420-053
 A. Installation of the Air Extraction Duct
 (1)
 Make sure that the parts retained from the removed component are clean and in the correct condition.

 (2)
 Remove the blanking plugs from the disconnected line ends.

 (3)
 Install the flexible sleeve (7) on the fan (8). NOTE : Make sure that the arrow which indicates the air flow points

____
 down.

 (4)
 Install the duct (15) in the flexible sleeve (7).

 (5)
 Put the flexible sleeve (7) in position.

 (6)
 Install the clamps (6). Do not fully tighten at this time. NOTE : Use the clamps (6) kept during the removal procedure.

____

 (7)
 Install the flexible sleeves (3), (14) and (11) on the ducts (1),

 (12) and (9).

 (8)
 Put the flexible sleeves (3), (14) and (11) in position on the duct (15).

 (9)
 Install the clamps (2), (10) and (13) and tighten them. NOTE : Use the clamps (2), (10) and (13) kept during the removal

____
 procedure.

 (10)
 Tighten the clamps (6).

 (11)
 Install the avionics compartment smoke detector (4), if removed (Ref. TASK 26-15-15-400-001).

 (12)
 Remove the blanking caps from the electrical connectors.

 

 (13) Make sure that the electrical connectors are clean and in the correct
 condition.
 (14) Connect the electrical connector (5). 
R  **ON A/C 051-052, 
R  Subtask 21-26-41-420-053-A 
R  A. Installation of the Air Extraction Duct 
R  (1) Make sure that the parts retained from the removed component are 
R  clean and in the correct condition. 
R  (2) Remove the blanking plugs from the disconnected line ends. 
R  (3) Install the flexible sleeve (7) on the fan (8). 
R  NOTE : Make sure that the arrow which indicates the air flow points____ 
R  down. 
R  (4) Install the duct (15) in the flexible sleeve (7). 
R  (5) Put the flexible sleeve (7) in position. 
R  (6) Install the clamps (6). Do not fully tighten at this time. 
R  (7) Install the flexible sleeves (3), (14) and (11) on the ducts (1), 
R  (12) and (9). 
　
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