(6)
Put a protective cover on the cooling elements of the primary heat exchanger (4).
R 1EFF : 151-199, 401-499, 1 21-52-22Page 408 1 1 Aug 01/05 1 1 1CES 1 **ON A/C ALL
TASK 21-52-22-400-001
Installation of the Fan Plenum Chamber 10HM5 (11HM5)
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 : The procedure is the same for the fan plenum chamber 10HM5 and 11HM5.
____
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific Torque Wrench : range 0.00 to 1.20 m.daN
(0.00 to 9.00 lbf.ft)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
12-33-21-618-001 Pre-conditioning through the HP Ground Connection 12-33-21-618-001 Pre-conditioning with the APU 20-28-00-912-004 Electrical Bonding of Components With Conductive
Bolts and Screws and Bonding Straps in the Fuselage and in the Wings (this does not include the tanks)-21-52-23-400-001 Installation of the Pipe Assembly between the Main Heat Exchanger and the Air Cycle Machine 21-52-24-400-001 Installation of the Heat Exchanger Unit 10HM4 (11HM4)
(Into the Aircraft) 21-61-52-400-003 Installation of the Ram-Air Outlet 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied
from the External Power
1EFF : ALL 1 21-52-22Page 409 1 1 Aug 01/05R 1 1 1CES 1
-------------------------------------------------------------------------------
REFERENCE DESIGNATION -------------------------------------------------------------------------------
53-35-13-000-002 53-35-13-400-002 Removal of the Quick-Release Access Panels from the Belly Fairing StructureInstallation of the Quick-Release Access Panels on the Belly Fairing Structure
**ON A/C 001-049, 051-099, 101-149, 201-299, 301-399,
21-52-22-991-001 Fig. 401
R **ON A/C 151-199, 401-499,
21-52-22-991-001-A Fig. 401A
**ON A/C ALL
3. Job Set-up__________
Subtask 21-52-22-865-051
A. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 10HM5
R **ON A/C 401-499,
49VU AIR COND/TEMP CTL/SYS 1 CHAN B/28VDC 52HH D08
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
R 122VU AIR COND/PACK TEMP/CTL SYS1/1/115VAC 122VU AIR COND/PACK TEMP/CTL SYS1/1/28VDC 1HH 3HH X22X21
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION
-------------------------------------------------------------------------------
R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
R 122VU AIR COND/PACK TEMP CTL SYS2/1/28VDC 4HH Y19
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
R 122VU AIR COND/PACK TEMP CTL SYS2/1/115VAC 2HH Y18
R **ON A/C 106-149, 303-399,
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 122VU AIR COND/TEMP CTL SYS 1/CHAN B/115VAC 49HH 51HH 50HH X22 X21Y18
**ON A/C ALL
FOR 11HM5
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 21-52-22-860-050
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