AMM 26-12-00-710-002-A — Operational Test of the Engine Fire and Overheat Detection with CFDS A320

Operational Test of the Engine Fire and Overheat Detection with CFDS A320

1. Reason for the Job

Self explanatory

2. Job Set-up Information

3. Job Set-up

SUBTASK 26-12-00-861-051-A

A. Energize the aircraft electrical circuits Ref. AMM TASK 24-41-00-861-002.

SUBTASK 26-12-00-869-050-A

B.  On the ENG panel 115VU, make sure that ENG MASTER switches are at OFF.

SUBTASK 26-12-00-865-066-A

C.   Make sure that this(these) circuit breaker(s) is(are) closed:

PANEL	DESIGNATION	FIN	LOCATION
49VU	ENGINE/2/FIRE DET/LOOP B	8WD2	A07
49VU	ENGINE/1/FIRE DET/LOOP A	7WD1	A06
121VU	ENGINE/ENG2/FIRE DET/LOOP A	7WD2	Q39
121VU	ENGINE/ENG1/FIRE DET/LOOP B	8WD1	Q38

4.            Procedure

SUBTASK 26-12-00-710-051-B

A.          Operational Test of the Engine Fire and Overheat Detection with the CFDS

(1)          On one Multipurpose Control and Display Unit (MCDU), get the SYSTEM REPORT/TEST/FIRE PROT page Ref. AMM TASK 31-32-00-860-005.

(2)          Do this test:

ACTION	RESULT
1.On the MCDU:	On the MCDU:
-push the line key adjacent to the FDU 1(2) indication.	-the FDU 1(2) page comes into view.
-push the line key adjacent to the TEST indication.	On the FDU 1(2) page:-the TEST IN PROGRESS indication comes into view for 90 seconds then goes out of view.The TEST OK indication comes into view.

5.            Close-up

SUBTASK 26-12-00-869-051-A

A.           Put the aircraft back to its initial configuration.

(1)          On the MCDU, push the line select key adjacent to the RETURN indication until the CFDS menu page comes into view.

SUBTASK 26-12-00-862-051-A

B.            De-energize the aircraft electrical circuits Ref. AMM TASK 24-41-00-862-002.