-
The APU bleed-air duct with its sleeves and clamps (1).
-
The crossfeed duct with its sleeves and clamps (2).
-
The ozone filter (7).
-
The flow control valve (3).
-
The duct between the flow control valve and the primary heat exchanger (4).
-
The duct between the primaray heat exchanger and the compressor of the air cycle machine (5).
-
The compressor of the air cycle machine and the main heat exchanger (6).
NOTE : There is a higher risk of leaks at the clamps and seals at the
____ duct connections than at the ducts itselves.
(3)
Repair all leaks.
(4)
Stop the pre-conditioning (Ref. TASK 12-33-21-618-001) or (Ref. TASK 12-33-21-618-001).
R 1EFF : ALL 1 21-52-00Page 625 1 1 Aug 01/05 1 1 1CES 1
Air Conditioning Bay - Component Location
Figure 604/TASK 21-52-00-991-017
R 1EFF : 001-049, 101-105, 151-199, 1 21-52-00Page 626 1 1 Aug 01/05 1 1 1CES 1
R **ON A/C 051-099, 106-149, 201-299, 301-399,
Subtask 21-52-00-790-051
A. Hot-Air Leak-Check
(Ref. Fig. 604A/TASK 21-52-00-991-017-A)
WARNING : PUT ON PROTECTIVE GOGGLES AND THERMAL GLOVES WHEN YOU GO NEAR
_______ AN AIR-CONDITIONING PACK WHEN IT OPERATES. THERE CAN BE LEAKAGE OF HOT AIR, WHICH CAN CAUSE INJURIES.
(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 Check for Hot-Air Leaks Do this check on all the hot components which are in the air conditioning bay:
-
The APU bleed-air duct with its sleeves and clamps (1).
-
The crossfeed duct with its sleeves and clamps (2).
-
The flow control valve (3).
-
The duct between the flow control valve and the primary heat exchanger (4).
-
The duct between the primary heat exchanger and the compressor of the air cycle machine (5).
-
The compressor of the air cycle machine and the main heat exchanger (6).
NOTE : There is a higher risk of leaks at the clamps and seals at the
____ duct connections than at the ducts itselves.
(3)
Repair all leaks.
(4)
Stop the pre-conditioning (Ref. TASK 12-33-21-618-001) or (Ref. TASK 12-33-21-618-001).
R **ON A/C 401-499,
Subtask 21-52-00-790-051-B
A. Hot-Air Leak-Check R (Ref. Fig. 604B/TASK 21-52-00-991-017-C)
WARNING : PUT ON PROTECTIVE GOGGLES AND THERMAL GLOVES WHEN YOU GO NEAR
_______ AN AIR-CONDITIONING PACK WHEN IT OPERATES. THERE CAN BE LEAKAGE OF HOT AIR, WHICH CAN CAUSE INJURIES.
R 1EFF : 051-099, 106-149, 201-299, 301-399, 1 21-52-00Page 627 1401-499, 1Aug 01/05 1 1 1CES 1
Air Conditioning Bay - Component Location Figure 604A/TASK 21-52-00-991-017-A
R 1EFF : 051-099, 106-149, 201-299, 301-399, 1 21-52-00Page 628 1 1 Aug 01/05 1 1 1CES 1
R Air Conditioning Bay - Component Location
R Figure 604B/TASK 21-52-00-991-017-C
R 1EFF : 401-499, 1 21-52-00 Page 629
1 1 Aug 01/05
1 1
1CES 1
(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 Check for Hot-Air Leaks Do this check on all the hot components which are in the air conditioning bay:
-
The APU bleed-air duct with its sleeves and clamps (1).
-
The crossfeed duct with its sleeves and clamps (2).
-
The flow control unit (3).
-
The duct between the flow control unit and the primary heat exchanger (4).
-
The duct between the primary heat exchanger and the compressor of the air cycle machine (5).
-
The compressor of the air cycle machine and the main heat exchanger (6).
NOTE : There is a higher risk of leaks at the clamps and seals at the
____ duct connections than at the ducts themselves.
(3)
Repair all leaks.
(4)
Stop the pre-conditioning (Ref. TASK 12-33-21-618-001) or (Ref. TASK 12-33-21-618-001).
**ON A/C ALL
5. Close-up
________
Subtask 21-52-00-410-067
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Install the access panel(s) (Ref. TASK 53-35-13-400-002)
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