R **ON A/C 301-399,
R Subtask 36-12-41-410-052-A
R A. Close Access
R (1) If removed, install the insulation at the applicable APU bleed-air
R ducts.
R (2) Make sure that the work area is clean and clear of tool(s) and other
R items.
R (3) Install the access panels 191BB, 191KB, 192FB and 192KB (Ref. TASK
R 53-35-13-400-002).
R (4) Install the access panels 191JB, 147EB, 147FB and 197KB (Ref. TASK
R 53-35-13-400-001).
R (5) Remove the warning notice(s).
R (6) Remove the ground support and maintenance equipment, the special and
R standard tools and all other items.
BELLOWS, FR 70 TO FR71 (7265HM) - REMOVAL/INSTALLATION
______________________________________________________ TASK 36-12-42-000-001 Removal of the Bellows (7265HM) WARNING : PUT WARNING NOTICES IN THE COCKPIT BEFORE YOU DO WORK ON THE BLEED
_______ AIR SYSTEM TO TELL PERSONS:
-
NOT TO OPERATE THE ENGINES
-
NOT TO OPERATE THE SLATS
-
NOT TO OPERATE THE APU SWITCH.
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific blanking caps
No specific circuit breaker(s) safety clip(s)
No specific warning notices
No specific access platform 3.0 m (9 ft. 10 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
36-12-42-991-001 Fig. 401 3. Job Set-up
__________ Subtask 36-12-42-865-050
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 122VU AIR BLEED/X FEED VALVE/NORM 1HV Z20
Subtask 36-12-42-860-050
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 door 312AR.
(3)
Open the access door 312AR.
4. Procedure
_________ (Ref. Fig. 401/TASK 36-12-42-991-001) Subtask 36-12-42-020-050
A. Removal of the Bellows (7265HM) WARNING : MAKE SURE THAT THE PNEUMATIC SYSTEM IS DEPRESSURIZED BEFORE YOU
_______
START WORK ON THE PNEUMATIC SYSTEM.
(1)
Remove the sleeve (2), if installed.
(2)
Remove the clamp (3).
(3)
Loosen the clamps (4) and (6).
(4)
Carefully remove the bellows (5) from between the duct sections (1) and (7).
(5)
Put blanking caps on the open ends of the duct sections (1) and (7).
Bellows (7265HM)
Figure 401/TASK 36-12-42-991-001
1EFF : ALL 1 36-12-42 Page 403
1 1 Aug 01/01
1 1
1CES 1
TASK 36-12-42-400-001
Installation of the Bellows (7265HM)
WARNING : MAKE SURE THAT THE PNEUMATIC SYSTEM IS DEPRESSURIZED BEFORE YOU START
_______
WORK ON THE PNEUMATIC SYSTEM.
WARNING : PUT WARNING NOTICES IN THE COCKPIT BEFORE YOU DO WORK ON THE BLEED
_______
AIR SYSTEM TO TELL PERSONS:
-
NOT TO OPERATE THE ENGINES
-
NOT TO OPERATE THE SLATS
-
NOT TO OPERATE THE APU SWITCH.
1. Reason for the Job
__________________
Self Explanatory
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