_
3 Install the condensers (Ref. TASK 21-52-32-400-001).
_ R **ON A/C 051-099, 106-149, 201-299, 301-399, 401-499,
Subtask 21-00-00-160-062
A. Special Cleaning of ECS Components
(1) As necessary:
(a) Clean the Reheaters 10HM3 and 11HM3 1 Remove the reheaters (Ref. TASK 21-52-31-000-001).
_
2 Clean the reheaters (Ref. CMM 215208).
_
3 Install the reheaters (Ref. TASK 21-52-31-400-001).
_
(b) Clean the Primary Heat Exchangers 10HM6 and 11HM6 1 Remove the primary heat exchangers (Ref. TASK 21-52-25-000-
_
001). 2 Clean the primary heat exchangers (Ref. CMM 215211).
_ 3 Install the primary heat exchangers (Ref. TASK 21-52-25-400-
_ 001).
(c) Clean the Main Heat exchangers 10HM7 and 11HM7 1 Remove the main heat exchangers (Ref. TASK 21-52-26-000-001).
_
2 Clean the main heat exchangers (Ref. CMM 215212).
_
3 Install the main heat exchangers (Ref. TASK 21-52-26-400-001).
_
(d) Clean the Condensors 10HM2 and 11HM2 1 Remove the condensers (Ref. TASK 21-52-32-000-001).
_
R 1EFF : ALL 1 21-00-00Page A243 1 1 Aug 01/05 1 1 1CES 1
2 Clean the condensers (Ref. CMM 215210).
_
3 Install the condensers (Ref. TASK 21-52-32-400-001).
_ R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
Subtask 21-00-00-110-052
B. Cleaning of ECS Components
(1) As necessary:
(a) At the anti-ice valves 17HH and 37HH: 1 Remove the sense lines (Ref. TASK 21-61-41-000-002).
_
2 Cleaning of the Sense Lines
_ WARNING : OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE
_______ THIS/THESE MATERIAL/S. USE PROTECTIVE CLOTHING, RUBBER GLOVES AND GOGGLES.
-Clean the sense lines with CLEANING AGENTS (Material No. 11-001K).
3 Install the sense lines (Ref. TASK 21-61-41-400-002).
_
(b) At the air conditioning packs 10HM and 11HM: 1 Remove the pipe assemblies (Ref. TASK 21-52-23-000-001).
_ 2 Cleaning of the Pipe Assemblies
_ WARNING : OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE
_______ THIS/THESE MATERIAL/S. USE PROTECTIVE CLOTHING, RUBBER GLOVES AND GOGGLES.
-Clean the pipe assemblies with a lint free cloth and CLEANING AGENTS (Material No. 11-001K) .
3 Install the pipe assemblies (Ref. TASK 21-52-23-400-001).
_R **ON A/C 401-499,
Subtask 21-00-00-110-052-A
B. Cleaning of ECS Components
(1) As necessary:
(a) At the air conditioning packs 10HM and 11HM: 1 Remove the pipe assemblies (Ref. TASK 21-52-23-000-001).
_ 2 Cleaning of the Pipe Assemblies
_ WARNING : OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE
_______ THIS/THESE MATERIAL/S. USE PROTECTIVE CLOTHING, RUBBER GLOVES AND GOGGLES.
-Clean the pipe assemblies with a lint free cloth and CLEANING AGENTS (Material No. 11-001K) .
3 Install the pipe assemblies (Ref. TASK 21-52-23-400-001).
_
**ON A/C ALL
Subtask 21-00-00-160-063
C. Special Cleaning of ECS Components
(1) As necessary:
(a) In the pack downstream system: 1 Remove the check valves 15HM and 16HM (Ref. TASK 21-52-43-000-
_
001).
2 Cleaning of the Check Valves
_ WARNING : OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE
_______ THIS/THESE MATERIAL/S. USE PROTECTIVE CLOTHING, RUBBER GLOVES AND GOGGLES.
-clean the check valves with a soft-bristle brush and CLEANING AGENTS (Material No. 11-001K).
- dry the check valves thouroughly with a lint free cloth or
with dry compressed air.
3_ Install the check valves 15HM and 16HM (Ref. TASK 21-52-43-
400-001).
(b) In the bleed air system: 1 Remove the pressure regulating valve 14HK (Ref. TASK 21-63-52-
_
000-001). 2 Clean the pressure regulating valve (Ref. CMM 216210).
_ 3 Install the pressure regulating valve 14HK (Ref. TASK 21-63-
_ 52-400-001).
ECS - Component Location Figure 205/TASK 21-00-00-991-003-A
1EFF : 001-049, 101-105, 151-199, 1 21-00-00Page A247 1 1 Aug 01/05 1 1 1CES 1
ECS - Component Location
Figure 205A/TASK 21-00-00-991-003
ECS - Component Location
Figure 205B/TASK 21-00-00-991-003-B
1EFF : 401-499, 1 21-00-00 Page A249
1 1 Aug 01/05
1 1
1CES 1
DISTRIBUTION - DESCRIPTION AND OPERATION
________________________________________
1. General
_______ R The distribution system delivers conditioned air to the pressurized R fuselage.
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