B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
36-11-53-000-001 Removal of the Overpressure Valve (5HA1,5HA2) 36-11-54-000-001 Removal of the Fan Air Valve (9HA1,9HA2) 54-57-22-000-001 Removal of the Apron Assemblies 71-13-11-000-040 Removal of the Fan Cowl Doors 78-30-00-481-041 Make the Thrust Reverser Unserviceable for
Maintenance 78-32-11-000-040 Removal of the Left or Right Half Door of Thrust
Reverser 26-21-49-991-003 Fig. 401 26-21-49-991-004 Fig. 402
3. Job Set-up
__________
Subtask 26-21-49-941-052
A. Aircraft Maintenance Configuration
(1)
On the center pedestal, on the ENG panel 115VU:
(a) Put a warning notice to tell persons not to start the engine 1(2).
(2)
Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3)
On the maintenance panel 50VU:
(a)
Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b)
Put a warning notice to tell persons not to energize the FADEC 1(2).
(4)
On the AIR COND panel 30VU:
(a)
Make sure that the ENG 1(2) BLEED pushbutton switch is released.
(b)
Make sure that the APU BLEED pushbutton switch is released.
(c)
Put a warning notice to tell persons not to operate the pneumatic system.
(5)
In the cockpit, on the HP ground connector:
(a) put a warning notice to tell persons not to pressurize the pneumatic system.
Subtask 26-21-49-865-052
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
121VU ENGINE/ENG1 AND 2 FIRE EXTIG/BTL1/SQUIB/B 2WE1 Q44 121VU ENGINE/ENG1 AND 2 FIRE EXTIG/BTL1/SQUIB/A 1WE1 Q43 121VU ENGINE/ENG1 AND 2 FIRE EXTIG/BTL2/SQUIB/B 2WE2 Q42 121VU ENGINE/ENG1 AND 2 FIRE EXTIG/BTL2/SQUIB/A 1WE2 Q41 Subtask 26-21-49-010-052
C. Get Access
NOTE : If the engine is removed, the removal of the fan cowls below is
____
not applicable.
(1) Remove the left fan cowl (Ref. TASK 71-13-11-000-040):
-
FOR 1000EM1
437AL,
-
FOR 1000EM2
447AL.
Subtask 26-21-49-040-050
D. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041).
Subtask 26-21-49-010-054
E. Get Access
(1)
Remove the left thrust reverser half: (Ref. TASK 78-32-11-000-040)
-
FOR 1000EM1
451AL,
-
FOR 1000EM2
461AL.
(2)
Put the access platform in position.
(3)
Remove the access panels:
-
FOR 1000EM1
413AL,
-
FOR 1000EM2
423AL.
(4)
Remove the access doors:
-
FOR 1000EM1
415AL, 415BL,
-
FOR 1000EM2
425AL, 425BL.
(5)
Remove the apron assembly (Ref. TASK 54-57-22-000-001).
4. Procedure
_________
(Ref. Fig. 401/TASK 26-21-49-991-003, 402/TASK 26-21-49-991-004) Subtask 26-21-49-020-052
A. Aircraft Maintenance Configuration
(1)
Remove the engine fan air valve (Ref. TASK 36-11-54-000-001):
-
FOR 1000EM1
engine fan air valve 9HA1,
-
FOR 1000EM2
engine fan air valve 9HA2.
(2)
Remove the overpressure valve (Ref. TASK 36-11-53-000-001):
-
FOR 1000EM1
overpressure valve 5HA1,
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