R  3. Job Set-up__________  
R  Subtask 21-52-00-861-054  
R  A. Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).  
R  Subtask 21-52-00-865-057  
R  B. Open, safety and tag this(these) circuit breaker(s):  
R  ------------------------------------------------------------------------------- 
R  PANEL  DESIGNATION  IDENT. LOCATION  
R  ------------------------------------------------------------------------------- 
R  FOR 10HM3  
R  122VU AIR COND/PACK TEMP/CTL SYS1/1/115VAC  1HH  X22  
R  122VU AIR COND/PACK TEMP/CTL SYS1/1/28VDC  3HH  X21  
R  122VU AIR COND/PACK TEMP CTL SYS2/1/28VDC  4HH  Y19  
R  122VU AIR COND/PACK TEMP CTL SYS2/1/115VAC  2HH  Y18  
R  FOR 11HM3  
R  122VU AIR COND/PACK TEMP/CTL SYS1/2/115VAC  21HH  W22  
R  122VU AIR COND/PACK TEMP/CTL SYS1/2/28VDC  23HH  W21  
R  122VU AIR COND/PACK TEMP CTL SYS2/2/28VDC  24HH  Y21  
R  122VU AIR COND/PACK TEMP CTL SYS2/2/115VAC  22HH  Y20  
R  Subtask 21-52-00-010-052  
R  C. Get Access  
R  (Ref. Fig. 702/TASK 21-52-00-991-003)  
R  (1) Remove the access panel/s (Ref. TASK 53-35-13-000-002).  
R  (a) FOR 10HM3  
R  - 191KB,  
R  (b) FOR 11HM3  
R  - 192KB.  
R  (2) Remove the reheater (Ref. TASK 21-52-31-000-001).  
R  4. Procedure_________  
R  Subtask 21-52-00-100-051  
R  A. Clean the reheater (Ref. CMM 215208). 
R 1EFF : 051-052, 1 21-52-00Page 708 1 1 May 01/05 1 1 1CES 1
 Reheater Figure 702/TASK 21-52-00-991-003 
 1EFF : 1 1R 1CES  ALL  1 11 1 21-52-00 Page 709 May 01/05
R  5. Close-up________  
R  Subtask 21-52-00-410-052  
R  A. Close Access  
R  (1) Install the reheater (Ref. TASK 21-52-31-400-001).  
R  (2) Make sure that the work area is clean and clear of tool(s) and other  
R  items.  
R  (3) Install the access panel/s (Ref. TASK 53-35-13-400-002).  
R  (a) FOR 10HM3  
R  - 191KB,  
R  (b) FOR 11HM3  
R  - 192KB.  
R  Subtask 21-52-00-865-058  
R  B. Remove the safety clip(s) and the tag(s) and close this(these) circuit  
R  breaker(s):  
R  
R  FOR 10HM3  
R  1HH, 2HH, 3HH, 4HH.  
R  
R  FOR 11HM3  
R  21HH, 22HH, 23HH, 24HH.  
R  Subtask 21-52-00-862-053  
R  C. De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862- 
R  002). 
R 1EFF : 051-052, 1 21-52-00Page 710 1 1 May 01/05 1 1 1CES 1R **ON A/C 001-049, 053-099, 101-149, 151-199, 201-299, 301-399, 401-499,
 TASK 21-52-00-100-004
 Cleaning of the Air Conditioning Pack-Reheater 10HM3 (11HM3)
 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.
 1. Reason for the Job
__________________
 Refer to the MPD TASK: 215200-06
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
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REFERENCE QTY DESIGNATION
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