R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
 (Ref. Fig. 501/TASK 28-24-00-991-002)
 **ON A/C 301-399,
 (Ref. Fig. 501A/TASK 28-24-00-991-002-A)
 **ON A/C ALL
 (Ref. Fig. 502/TASK 28-24-00-991-001)
 Subtask 28-24-00-720-058
 A. Test of the Valve 12QM
 (1) In the test that follows, on each operation of the LP valve:
 -
make sure that the see/feel indicator operates smoothly, from the valve open (valve closed) position to the valve closed (valve open) position

 -
make sure that the see/feel indicator marks are accurately aligned in the valve open position

 -
make sure that the see/feel indicator marks are at 90 degrees to each other in the valve closed position.

 1EFF : ALL 1 28-24-00Page 523 1 1 Aug 01/05 1 1 1CES 1 (2) For the valve 12QM, do this test:

 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the panel 121VU:
 - open, safety and tag the  The ENG 1 LP valve MOTOR 2 SUPPLY and
 circuit breaker 3QG.  CONTROL are isolated.
 2. On the ECAM CP:  On the ECAM lower DU:
 - push (in) the FUEL P/BSW.  - the FUEL system page shows
 - the LEFT LP valve indication shows
 the valve closed (amber cross-line).
 3. On the LP valve actuator 9QG:
 - look at the position of the  The indicator shows that the valve is
 mechanical see/feel indicator.  closed.
 4. On the panel 115VU:  On the ECAM lower DU:
 - put the ENG/MASTER 1 switch to  - the LEFT LP valve indication shows
 the ON position.  the valve open (green in-line).
 5. On the LP valve actuator 9QG:
 - look at the position of the  The indicator shows that the valve is
 see/feel indicator.  open.
 6. On the panel 115VU:  On the ECAM lower DU:
 - put the ENG/MASTER 1 switch to  - the LEFT LP valve indication shows
 the OFF position.  the valve closed (amber cross-line).
 7. On the LP valve actuator 9QG:
 - look at the position of the  The indicator shows that the valve is
 mechanical see/feel indicator.  closed.
 8. On the panel 121VU:
 - remove the safety clip and the  The ENG 1 LP valve MOTOR 2 SUPPLY and
 tag and close the circuit  CONTROL are energised.
 breaker 3QG.

 1EFF : ALL 1 28-24-00Page 524 1 1 May 01/04R 1 1 1CES 1

 -------------------------------------------------------------------------------
ACTION RESULT -------------------------------------------------------------------------------
9.
 On the panel 49VU:

 - open, safety and tag the circuit breaker 1QG.

10.
 On the panel 115VU:

-put the ENG/MASTER 1 switch to the ON position:

11.
 On the LP valve actuator 9QG:

 -look at the position of the mechanical see/feel indicator.

12.
 On the panel 115VU:

-put the ENG/MASTER 1 switch to the OFF position.

13.
 On the LP valve actuator 9QG:

 -look at the position of the mechanical see/feel indicator.

14.
 On the panel 49VU:

 -remove the safety clip and the tag and close the circuit breaker 1QG.
The ENG 1 LP valve MOTOR 1 SUPPLY andCONTROL are isolated.
 On the ECAM lower DU:
 -
the LEFT LP valve indication shows the valve closed (amber cross-line).

On the ECAM lower DU:

-
the LEFT LP valve indication showsthe valve open (green in-line).

The indicator shows that the valve isopen.
On the ECAM lower DU:
-the LEFT LP valve indication showsthe valve closed (amber cross-line).
The indicator shows that the valve isclosed.
The ENG 1 LP valve MOTOR 1 SUPPLY andCONTROL are energised.
 1EFF : ALL 1 28-24-00Page 525 1 1 May 01/04R 1 1 1CES 1

 Subtask 28-24-00-720-059
 B. Test of the Valve 13QM
 (1)
 In the test that follows, on each operation of the LP valve:

 -
make sure that the see/feel indicator operates smoothly, from the valve open (valve closed) position to the valve closed (valve open) position

 -
make sure that the see/feel indicator marks are accurately aligned in the valve open position

 -
make sure that the see/feel indicator marks are at 90 degrees to each other in the valve closed position.

 (2)
　
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