R CMM 215211
R CMM 215212 21-52-00-991-002 Fig. 701
3. Job Set-up__________ Subtask 21-52-00-861-053
A. Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002). Subtask 21-52-00-865-055
B. Open, safety and tag this(these) circuit breaker(s):
R -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 10HM6, 10HM7 **ON A/C 401-499,
R 49VU AIR COND/TEMP CTL/SYS 1 CHAN B/28VDC **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399, 52HH D08
R 122VU AIR COND/PACK TEMP/CTL SYS1/1/115VAC 122VU AIR COND/PACK TEMP/CTL SYS1/1/28VDC 1HH 3HH X22X21
R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
R R 122VU AIR COND/PACK TEMP CTL SYS2/1/28VDC **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399, 4HH Y19
R R 122VU AIR COND/PACK TEMP CTL SYS2/1/115VAC **ON A/C 106-149, 303-399, 2HH Y18
R 122VU 4HH Y19
R **ON A/C 401-499,
R R 122VU AIR COND/TEMP CTL SYS 1/CHAN A/115VAC 122VU AIR COND/TEMP CTL SYS 1/CHAN A/28VDC 49HH 51HH X22 X21
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------122VU AIR COND/TEMP CTL SYS 1/CHAN B/115VAC 50HH Y18
**ON A/C ALL
FOR 11HM6, 11HM7
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
122VU AIR COND/PACK TEMP/CTL SYS1/2/115VAC 122VU AIR COND/PACK TEMP/CTL SYS1/2/28VDC 122VU AIR COND/PACK TEMP CTL SYS2/2/28VDC 122VU AIR COND/PACK TEMP CTL SYS2/2/115VAC 21HH 23HH 24HH 22HH W22W21Y21Y20
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
**ON A/C ALL
Subtask 21-52-00-010-051
C. Get Access (Ref. Fig. 701/TASK 21-52-00-991-002)
(1) Remove the access panel/s (Ref. TASK 53-35-13-000-002).
(a) FOR 10HM6, 10HM7 - 191KB,
(b) FOR 11HM6, 11HM7 - 192KB.
(2) Remove the main heat exchanger (Ref. TASK 21-52-26-000-001) and the primary heat exchanger (Ref. TASK 21-52-25-000-001).
Primary and Main Heat Exchangers Figure 701/TASK 21-52-00-991-002
1EFF : 1 1R 1CES ALL 1 11 1 21-52-00 Page 704 Feb 01/05
4. Procedure
_________
Subtask 21-52-00-100-050
A. Clean the main and the primary heat exchangers (Ref. CMM 215212) and (Ref. CMM 215211).
5. Close-up
________
Subtask 21-52-00-410-051
A. Close Access
(1)
Install the main heat exchanger (Ref. TASK 21-52-26-400-001) and the primary heat exchanger (Ref. TASK 21-52-25-400-001).
(2)
Make sure that the work area is clean and clear of tool(s) and other items.
(3)
Install the access panel/s (Ref. TASK 53-35-13-400-002).
(a)
FOR 10HM6, 10HM7
-191KB,
(b)
FOR 11HM6, 11HM7
-192KB. R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
Subtask 21-52-00-865-056
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
FOR 10HM6, 10HM7
1HH, 2HH, 3HH, 4HH.
FOR 11HM6, 11HM7
21HH, 22HH, 23HH, 24HH.
R **ON A/C 401-499,
Subtask 21-52-00-865-056-A
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
FOR 10HM6, 10HM7
49HH, 50HH, 51HH, 52HH.
FOR 11HM6, 11HM7
53HH, 54HH, 55HH, 56HH.
**ON A/C ALL
Subtask 21-52-00-862-052
C. De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
R **ON A/C 051-052,
R TASK 21-52-00-100-002 R Cleaning of the Air Conditioning Pack-Reheater 10HM3 (11HM3) R WARNING : MAKE SURE THAT AIR IS NOT SUPPLIED TO THE AIR CONDITIONING SYSTEM
_______ R FROM THE MAIN ENGINE, THE APU OR A GROUND SOURCE. R HOT COMPRESSED AIR CAN CAUSE INJURY TO PERSONNEL.
R 1. Reason for the Job
__________________ R Refer to the MPD TASK: 215200-02 R 2. Job Set-up Information
______________________ R A. Fixtures, Tools, Test and Support Equipment R -------------------------------------------------------------------------------
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