Examples of Distribution Duct Attachment Methods
Figure 203/TASK 21-20-00-991-003
1EFF : ALL 1 21-20-00 Page 207
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TASK 21-20-00-410-001
Installation of the Air-Conditioning Distribution Ducts
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
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific access platform 2 m (6 ft. 7 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
12-33-21-618-001 Pre-conditioning through the LP Ground Connection 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 25-23-43-000-001 Removal of the Upper Sidewall Panel(s) 25-23-43-400-001 Installation of the Upper Sidewall Panel(s) 25-23-44-000-001 Removal of the Lower Sidewall Panels 25-23-44-400-001 Installation of the Lower Sidewall Panels 25-54-12-000-001 Removal of the FWD Cargo Compartment Partition FR34 25-54-12-000-002 Removal of the Ceiling Panels in the FWD Cargo
Compartment 25-54-12-000-003 Removal of the Sidewall Panels in the FWD Cargo Compartment 25-54-12-400-001 Installation of the FWD Cargo Compartment Partition FR34 25-54-12-400-002 Installation of the Ceiling Panels in the FWD Cargo Compartment
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
25-54-12-400-003 Installation of the Sidewall Panels in the Fwd Cargo
Compartment
25-55-11-000-001 Removal of the AFT Cargo-Compartment Partition FR47
25-55-11-000-002 Removal of the Ceiling Panels in the AFT Cargo
Compartment - FR47/FR59
25-55-11-000-003 Removal of the Sidewall Panels in the Aft Cargo
Compartment - FR47/FR59
25-55-11-400-001 Installation of the AFT Cargo-Compartment Partition
FR47
25-55-11-400-002 Installation of the Ceiling Panels in the AFT Cargo
Compartment -FR47/FR59
25-55-11-400-003 Installation of the Sidewall Panels in the AFT Cargo
Compartment - FR47/FR59
25-55-12-000-001 Removal of the AFT Cargo Compartment Partition FR65
25-55-12-000-002 Removal of the Ceiling Panels in the AFT Cargo
Compartment - FR59/FR65
25-55-12-000-003 Removal of the Sidewall Panels in the AFT Cargo
Compartment - FR59/FR65
25-55-12-400-001 Installation of the AFT Cargo Compartment Partition
FR65
25-55-12-400-002 Installation of the Ceiling Panels in the AFT Cargo
Compartment - FR59/FR65
25-55-12-400-003 Installation of the Sidewall Panels in the AFT Cargo
Compartment - FR59/FR65
52-30-00-860-001 Open the FWD or AFT Cargo-Compartment Door with the
Yellow Electric Pump
52-30-00-860-002 Close the FWD or AFT Cargo-Compartment Door with the
Yellow Electric Pump
53-32-12-000-002 Removal of the Cabin Floor Panels
53-32-12-400-002 Installation of the Cabin Floor Panels
21-20-00-991-001 Fig. 201
21-20-00-991-002 Fig. 202
21-20-00-991-003 Fig. 203
3. Job Set-up
__________ Subtask 21-20-00-860-050
A. Aircraft Maintenance Configuration
(1) Make sure that:
(a)
The aircraft electrical circuits are energized (Ref. TASK 24-41-00-861-002).
(b)
On the panel 30VU:
(c)
On the HP and the LP ground connector the warning notice to tell persons not to supply the ground air is in position. (Ref. Fig. 201/TASK 21-20-00-991-001)
(d)
For the cabin area supply and the cargo-compartment ventilation ducts in the FWD cargo compartment area:
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