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R REFERENCE QTY DESIGNATION R -------------------------------------------------------------------------------R No specific circuit breaker(s) safety clip(s)
R B. Referenced Information R -------------------------------------------------------------------------------R REFERENCE DESIGNATION R -------------------------------------------------------------------------------
R 21-52-31-000-001 R 21-52-31-400-001 R 24-41-00-861-002 R R 24-41-00-862-002 R R 53-35-13-000-002 R R 53-35-13-400-002 R R CMM 215208 R 21-52-00-991-003 Removal of the Reheater 10HM3 (11HM3) Installation of the Reheater 10HM3 (11HM3) Energize the Aircraft Electrical Circuits from the External Power De-energize the Aircraft Electrical Circuits Supplied from the External Power Removal of the Quick-Release Access Panels from the Belly Fairing Structure Installation of the Quick-Release Access Panels on the Belly Fairing Structure
Fig. 702
R 1EFF : 051-052, 1 21-52-00Page 707 1 1 May 01/05 1 1 1CES 1

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
 -------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
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