5. Close-up
________
Subtask 21-52-00-410-063
A. Close Access
(1)
Install the condenser (Ref. TASK 21-52-32-400-001).
(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 10HM2
-191BB and 191KB.
(b)
FOR 11HM2
-192FB and 192KB. R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
Subtask 21-52-00-865-064
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
FOR 10HM2
1HH, 2HH, 3HH, 4HH.
FOR 11HM2
21HH, 22HH, 23HH, 24HH.
R **ON A/C 401-499,
Subtask 21-52-00-865-064-A
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
FOR 10HM2
49HH, 50HH, 51HH, 52HH.
FOR 11HM2
53HH, 54HH, 55HH, 56HH.
**ON A/C ALL Subtask 21-52-00-862-056
C. De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
AIR COOLING SYSTEM - INSPECTION/CHECK
_____________________________________
TASK 21-52-00-200-001
R Detailed Inspection of Interior and Exterior of Plenum Chamber (10HM5 and R 11HM5) for Signs of Delamination
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.
NOTE : This procedure is not applicable to air cycle machine-plenum chamber P/N
____
1816A0000-01.
1. Reason for the Job
__________________
Refer to the MPD TASK: 215222-01
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s)
B. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
21-52-22-000-001 Removal of the Fan Plenum Chamber 10HM5 (11HM5). 21-52-22-400-001 Installation of the Fan Plenum Chamber 10HM5 (11HM5) 21-52-24-000-001 Removal of the Heat Exchanger Unit 10HM4 (11HM4)
(From the Aircraft) 21-52-24-400-001 Installation of the Heat Exchanger Unit 10HM4 (11HM4) (Into the Aircraft) 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power 53-35-13-000-002 Removal of the Quick-Release Access Panels from the Belly Fairing Structure
-------------------------------------------------------------------------------
REFERENCE DESIGNATION -------------------------------------------------------------------------------
53-35-13-400-002 Installation of the Quick-Release Access Panels on the Belly Fairing Structure **ON A/C 001-049, 051-099, 101-149, 201-299, 301-399,
R 21-52-00-991-001 Fig. 601 **ON A/C 151-199, 401-499,
21-52-00-991-001-A **ON A/C ALL Fig. 601A
3. Job Set-up__________ Subtask 21-52-00-861-052
A. Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002). Subtask 21-52-00-865-052
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 10HM5
R **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
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