3. Job Set-up
__________
Subtask 36-12-51-865-056
A. 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 R 122VU AIR BLEED/X FEED VALVE/NORM 1HV Z20
Subtask 36-12-51-860-053
B. Aircraft Maintenance Configuration
(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.
(2) Put the access platform in position below the access panel 197BB.
Subtask 36-12-51-010-052
C. Get Access
(1)
Remove the access panel 197BB.
(2)
Open the AFT Cargo-Compartment Door (Ref. TASK 52-30-00-860-001).
(3)
In the AFT Cargo-Compartment, remove the sidewall panel 151CW.
4. Procedure_________
R (Ref. Fig. 402/TASK 36-12-51-991-003)
Subtask 36-12-51-020-056
R A. Removal of the APU-Bleed Check-Valve Assembly
(1) Loosen the nut of the clamp (3) and remove the clamp (3).
(2) Loosen the nut of the clamp (8) and remove the clamp (8).
(3) Remove the nuts (2) and the washers (1).
R (4) Support the APU-Bleed Check-Valve Assembly (6) and remove the bolts
R (7).
R (5) Remove the APU-Bleed Check-Valve Assembly (6).
(6) Remove the seal (5).
R (7) Put the CAP - BLANKING on the open ends of the ducts (4) and (9).
R Removal/Installation of the APU Bleed Check-Valve Figure 402/TASK 36-12-51-991-003
1EFF : 1 1 1CES ALL 1 111 36-12-51 Page 412 May 01/05
TASK 36-12-51-400-002
Installation of the APU Bleed Check-Valve (7260HM)
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific warning notices
No specific access platform 2.5 m (8 ft. 2 in.)
R No specific Torque Wrench : range 0.00 to 1.20 m.daN
R (0.00 to 9.00 lbf.ft)
B. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
12-33-21-618-001 Pre-conditioning with the APU 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 36-12-51-991-003 Fig. 402
3. Job Set-up
__________
Subtask 36-12-51-860-054
A. Aircraft Maintenance Configuration
(1) Make sure that the warning notices are in position:
-
in the cockpit on the Engine Control Panel 115VU to tell persons not to start the engine(s),
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