Subtask 21-51-51-710-052
E. Test
(1)
Do the pre-conditioning through the HP ground connector (Ref. TASK 12-33-21-618-001) or with the APU (Ref. TASK 12-33-21-618-001).
(2)
Do a leak check of the air ducts. NOTE : Minimum leakage is permitted. After the pack operates some
____ minutes, the leakage of air will reduce because the seals have their correct operating temperature.
(3)
Do a leak check of the sense line connections.
NOTE : Leaks are not permitted.
____
(4)
After approx. 15 minutes stop the pre-conditioning (Ref. TASK 12-33-21-618-001) or (Ref. TASK 12-33-21-618-001).
(5)
Do the operational test of the pack temperature control system (Ref. TASK 21-61-00-710-001).
5. Close-up
________ Subtask 21-51-51-410-057
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Close the access panels (Ref. TASK 53-35-13-400-002):
(a)
FOR 100HM
191KB and 191BB.
(b)
FOR 101HM
192KB and 192FB.
Subtask 21-51-51-862-052
B. De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
R 1EFF : 051-099, 201-299, 301-302, 1 21-51-51Page 478 1 1 Aug 01/05 1 1 1CES 1
R **ON A/C 106-149, 303-399, 401-499,
TASK 21-51-51-000-002-A
Removal of the Air Duct upstream of the Flow Control Unit
1. Reason for the Job__________________
Self Explanatory
2. Job Set-up Information______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific No specific circuit breaker(s) safety clip(s)protective covers
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
21-51-51-200-002 24-41-00-861-002 53-35-13-000-002 Attachment Components (In-Service Wear Limits) - Air DuctEnergize the Aircraft Electrical Circuits from the External PowerRemoval of the Quick-Release Access Panels from the Belly Fairing Structure
R **ON A/C 106-149, 303-399,
R 21-51-51-991-006 Fig. 403A
R **ON A/C 401-499,
21-51-51-991-006-A Fig. 403B
R 1EFF : 106-149, 303-399, 401-499, 1 21-51-51Page 479 1 1 Aug 01/05 1 1 1CES 1
-------------------------------------------------------------------------------
REFERENCE DESIGNATION -------------------------------------------------------------------------------
R **ON A/C 106-149, 303-399, 401-499,
21-51-51-991-008 Fig. 405A
3. Job Set-up__________
Subtask 21-51-51-861-055
A. Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
Subtask 21-51-51-865-066
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 23HB
R **ON A/C 401-499,
R 49VU AIR COND/TEMP CTL/SYS 1 CHAN B/28VDC 122VU AIR COND/TEMP CTL SYS 1/CHAN A/115VAC 122VU AIR COND/TEMP CTL SYS 1/CHAN A/28VDC 122VU AIR COND/TEMP CTL SYS 1/CHAN B/115VAC 52HH 49HH 51HH 50HH D08 X22X21Y18
R **ON A/C 106-149, 303-399, 401-499,
FOR 24HB
R **ON A/C 401-499,
R R 122VU AIR COND/TEMP CTL SYS 2/CHAN A/115VAC 122VU AIR COND/TEMP CTL SYS 2/CHAN A/28VDC 122VU AIR COND/TEMP CTL SYS 2/CHAN B/28VDC 122VU AIR COND/TEMP CTL SYS 2/CHAN B/115VAC 53HH 55HH 56HH 54HH W22W21 Y21Y20
R 1EFF : 106-149, 303-399, 401-499, 1 21-51-51Page 480 1 1 Aug 01/05 1 1 1CES 1 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320飞机维护手册 AMM AIR CONDITIONING 空调 3(146)
