-
make sure that the APU BLEED pushbutton switch is released (the ON legend is off),
-put a warning notice to tell persons not to operate the pneumatic system.
(3)
On the ENG panel 115VU:
-put a warning notice to tell persons not to start the engine 1(2).
(4)
On the HP ground connector:
-Put a warning notice to tell persons not to pressurize the pneumatic system.
(5)
On the ENG section of the maintenance panel 50VU:
-make sure that the ON legend of the ENG/FADEC GND PWR 1(2) pushbutton switch is off,
-put a warning notice to tell persons not to energize the FADEC 1(2).
Subtask 36-11-54-865-055
C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------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
Subtask 36-11-54-010-050
D. Get Access
(1)
Open the fan cowl doors (Ref. TASK 71-13-00-010-040):
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR
(2)
Put the access platform in position below the engine.
Subtask 36-11-54-040-051
E. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041).
1EFF : ALL 1 36-11-54Page 403 1 1 May 01/99R 1 1 1CES 1
Subtask 36-11-54-010-053
F. Open the thrust reverser doors (Ref. TASK 78-36-00-010-040): FOR 1000EM1 451AL, 452AR FOR 1000EM2 461AL, 462AR
4. Procedure
_________
**ON A/C 001-003, 051-054,
(Ref. Fig. 401/TASK 36-11-54-991-001) R **ON A/C 004-049, 055-099, 101-149, 151-199, 201-299, 301-399, 401-499,
(Ref. Fig. 401A/TASK 36-11-54-991-001-A)
**ON A/C ALL
NOTE : Some pressure can stay in the ducting. The pressure will decrease
____
when you release the clamps.
Subtask 36-11-54-020-053
A. Removal of the Fan Air Valve CAUTION : USE A SECOND WRENCH TO APPLY COUNTERTORQUE TO THE UNION WHEN
_______ YOU DISCONNECT/CONNECT THE PNEUMATIC LINES ON UNIONS.
(1)
Disconnect the electrical connector (1).
(2)
Disconnect the sense lines (12) and (14) from the unions (11) and (13).
(3)
On the clamp (5) lightly torque the self-locking nut (16) while you push the safety catch (19) with your thumb to release the safety catch (19).
(4)
Loosen the self-locking nut (16) and remove the clamp (5).
(5)
Remove the bolts (8) and (9) and the nuts (6) and (7).
(6)
Remove the elbow (10).
(7)
Hold the valve (4). On the clamp (3) lightly torque the self-locking nut (16) while you push the safety catch with your thumb to release the safety catch.
R (8) Loosen the self-locking nut (16) and remove the clamp (3).
(9) Remove the valve (4).
(10)
Put blanking caps on the disconnected electrical connectors.
(11)
Put blanking plugs on the disconnected line ends, the valve (4) and the duct ends.
Fan Air Valve
Figure 401/TASK 36-11-54-991-001- 12 (SHEET 1)
R 1EFF : 001-003, 051-054, 1 36-11-54Page 406 1 1 May 01/05 1 1 1CES 1
Fan Air Valve
Figure 401/TASK 36-11-54-991-001- 22 (SHEET 2)
R 1EFF : 001-003, 051-054, 1 36-11-54Page 407 1 1 May 01/05 1 1 1CES 1
Fan Air Valve
Figure 401A/TASK 36-11-54-991-001-A13 (SHEET 1)
R 1EFF : 004-049, 055-099, 101-149, 151-199, 1 36-11-54Page 408 1201-299, 301-399, 401-499, 1Aug 01/05 1 1 1CES 1
Fan Air Valve
Figure 401A/TASK 36-11-54-991-001-A23 (SHEET 2)
R 1EFF : 004-049, 055-099, 101-149, 151-199, 1 36-11-54Page 409 1201-299, 301-399, 401-499, 1Aug 01/05 1 1 1CES 1
Fan Air Valve
Figure 401A/TASK 36-11-54-991-001-A33 (SHEET 3)
R 1EFF : 004-049, 055-099, 101-149, 151-199, 1 36-11-54Page 410 1201-299, 301-399, 401-499, 1Aug 01/05 1 1 1CES 1 TASK 36-11-54-400-001
Installation of the Fan Air Valve (9HA1,9HA2)
WARNING : MAKE SURE THAT THE PNEUMATIC SYSTEM IS DEPRESSURIZED BEFORE YOU START
_______
WORK ON THE PNEUMATIC SYSTEM.
WARNING : BE CAREFUL WHEN YOU WORK ON THE ENGINE COMPONENTS IMMEDIATELY AFTER
_______ THE ENGINE IS SHUTDOWN. THE ENGINE COMPONENTS CAN STAY HOT FOR UP TO ONE HOUR.
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