1EFF : ALL 1 36-12-11Page 406 1 1 Nov 01/00R 1 1 1CES 1
5. Close-up
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Subtask 36-12-11-410-050
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
In the AFT cargo compartment install the removed partition panel 161DW.
(3)
Close the AFT cargo-compartment door (Ref. TASK 52-30-00-860-002) or the access door 312AR.
Subtask 36-12-11-942-052
B. Put the aircraft back to its initial configuration.
(1) Remove the access platform(s).
(2) Remove the warning notice(s). Subtask 36-12-11-865-052
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1HV, 2HV, 1KD, 2KD.
DUCT - APU AND CROSSBLEED AIR SUPPLY SYSTEM - REMOVAL/INSTALLATION
__________________________________________________________________
TASK 36-12-41-000-001
Removal of a Bleed-Air Duct
WARNING : MAKE SURE THAT THE PNEUMATIC SYSTEM IS DEPRESSURIZED BEFORE YOU START
_______
WORK ON THE PNEUMATIC SYSTEM.
1. Reason for the Job
__________________
Example of the removal of a bleed-air duct section
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
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REFERENCE QTY DESIGNATION
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No specific circuit breaker(s) safety clip(s)
No specific warning notices
No specific access platform 2.0 m (6 ft. 7 in.)
No specific access platform 3 m (9 ft. 10 in.)
R No specific 1 ACCESS PLATFORM 2M (6 FT)
R No specific 1 ACCESS PLATFORM 3M (10 FT)
B. Referenced Information
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REFERENCE DESIGNATION
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25-55-11-000-001 Removal of the AFT Cargo-Compartment Partition FR47 25-55-12-000-001 Removal of the AFT Cargo Compartment Partition FR65
R 28-11-27-000-001 Removal of the Additional Center Tank (ACT) 36-22-17-000-001 Removal of the APU Overheat Sensing-Elements 52-30-00-860-001 Open the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump 36-12-41-991-001 Fig. 401 36-12-41-991-002 Fig. 402 36-12-41-991-015 Fig. 403
3. Job Set-up
__________
Subtask 36-12-41-941-050
A. Safety Precautions
(1) Put the warning notices in position:
-
in the cockpit on the Engine Control Panel 115VU to tell persons not to start the engine(s),
-
in the cockpit on the AIR COND Overhead Control Panel 30VU to tell persons not to push in the APU BLEED pushbutton switch,
- on the HP ground connector to tell persons not to pressurize the pneumatic system.
Subtask 36-12-41-865-050
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU AIR BLEED/X FEED/VALVE/BAT 2HV D13 49VU AIR BLEED/ENG 1/CTL 3HA1 D12 49VU AIR BLEED/ENG 1/MONG 2HA1 D11 122VU AIR BLEED/ENG 2/CTL 3HA2 Z23 122VU AIR BLEED/ENG 2/MONG 2HA2 Z22 122VU AIR BLEED/X FEED VALVE/NORM 1HV Z20
R **ON A/C 001-049, 051-099, 101-149, 201-299,
Subtask 36-12-41-010-050
C. Get Access
NOTE : To remove the necessary APU bleed-air ducts, remove only the
____
related access panels.
(1)
Get access to the APU bleed-air ducts between FR35 and FR36.
(a)
Put the access platform in position below the access panels 191BB and 191EB.
(b)
Remove the access panels 191BB and 191EB.
(2)
Get access to the APU bleed-air ducts between FR36 and FR42.
(a)
Put the access platform in position below the access panel 191JB.
(b)
Remove the access panel 191JB.
(3)
Get access to the APU bleed-air ducts between FR42 and FR50.
(a)
Put the access platform in position below the access panels 147AB, 147EB, 147FB and 197BB.
(b)
Remove the access panels 147AB, 147EB, 147FB and 197BB.
(4)
Get access to the APU bleed-air ducts between FR46 and FR70 from the AFT cargo compartment.
(a)
Open the AFT cargo compartment door (Ref. TASK 52-30-00-860-001).
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