(2)
On the overhead maintenance panel 50VU, make sure that the ON legend of the ENG/FADEC GND PWR/1(2) is off. Make sure that a warning notice is in position to tell persons not to energize the FADEC 1(2).
(3)
Make sure that the acces platform is in position.
Subtask 26-12-16-865-051
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 1000EM1
49VU ENGINE/1/FIRE DET/LOOP A 7WD1 A06 121VU ENGINE/ENG1/FIRE DET/LOOP B 8WD1 Q38 FOR 1000EM2 49VU ENGINE/2/FIRE DET/LOOP B 8WD2 A07 121VU ENGINE/ENG2/FIRE DET/LOOP A 7WD2 Q39
Subtask 26-12-16-010-052
C. Get Access
(1)
Make sure that the fan cowl doors are open: (Ref. TASK 71-13-00-010-040) FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR
(2)
Make sure that the thrust reverser doors are open: (Ref. TASK 78-36-00-010-040) FOR 1000EM1 451AL, 452AR FOR 1000EM2
461AL, 462AR
Subtask 26-12-16-040-051
D. Make sure that the thrust reverser is unserviceable (Ref. TASK 78-30-00-481-041).
4. Procedure
_________ R (Ref. Fig. 401/TASK 26-12-16-991-001, 402/TASK 26-12-16-991-002-A) Subtask 26-12-16-420-050
A. Installation of Responders
(1)
Remove the blanking caps from the detectors (11). NOTE : Do not remove the protection rings (supplied with a brand new
____ part) from the sensing elements (4) at this time.
(2)
Install the responders (11) on their supports as follows:
(a) Put the hexagonal nut of the responder (11) in contact with the clamp (12)
R (Ref. Fig. 402/TASK 26-12-16-991-002-A) .
(b) Install the screws (8) and the washers (9).
Subtask 26-12-16-420-051
B. Installation of the pylon fire detector.
(1)
Put the bushes (3) on the sensing element (4), then in the clamps (2).
(2)
Remove the protection rings from the sensing elements (4) and make sure that the sensing element (4) has a minimum straight length (Ref. Fig. 401/TASK 26-12-16-991-001) above the responder (11).
(3)
Close the clamps (2) and lock them with the fasteners (1).
(4)
Remove the blanking caps from the electrical connectors (7).
(5)
Connect the electrical connectors (7) to the responders (11).
Subtask 26-12-16-865-052
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 7WD1, 7WD2, 8WD1, 8WD2
Subtask 26-12-16-860-051
D. Do the EIS start procedure (Upper ECAM only) (Ref. TASK 31-60-00-860-001)
Subtask 26-12-16-710-050
E. Do this test.
(1) On the upper DU, make sure that the FIRE ENG1(2) LOOP A (B) FAULT message has gone out of view .
(2) Do an operational test of the engine fire detection system (Ref. TASK 26-12-00-710-001).
Subtask 26-12-16-860-052
F. Do the EIS stop procedure: (Ref. TASK 31-60-00-860-002).
5. Close-up________
R Subtask 26-12-16-410-055
R A. Close Access
R R (1) Install the support with the fire detectors (Ref. TASK 26-12-16-400-002).
Subtask 26-12-16-410-050
R B. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Close the thrust reverser doors: (Ref. TASK 78-36-00-410-040) FOR 1000EM1 451AL, 452AR FOR 1000EM2 461AL, 462AR
Subtask 26-12-16-440-050
R C. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041)
Subtask 26-12-16-410-051
R D. Close Access
(1) Close the fan cowl doors (Ref. TASK 71-13-00-410-040): FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR
(2) Remove the access platform(s).
(3) Remove the warning notice(s).
R TASK 26-12-16-000-002 R Removal of the Support with the Pylon Fire Detectors R WARNING : BE CAREFUL WHEN YOU WORK ON THE ENGINE COMPONENTS IMMEDIATELY AFTER
_______ R THE ENGINE IS SHUTDOWN. THE ENGINE COMPONENTS CAN STAY HOT FOR UP TO R ONE HOUR.
R 1. Reason for the Job
__________________ R Self Explanatory R 2. Job Set-up Information
______________________
R A. Fixtures, Tools, Test and Support Equipment
R -------------------------------------------------------------------------------R REFERENCE QTY DESIGNATION
R -------------------------------------------------------------------------------
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