On the connector 12WF-A:
-
make sure that there is no voltageshown between the terminals A and B and ground.
On the APU FIRE panel 20 VU:
- on the AGENT pushbutton switch, theSQUIB light comes on.
On the connector 12WF-A:
-
make sure that there is 28V DC shown between terminal A and B and ground.
On the connector 12WF-A:
-
make sure that there is no volatgeshown.
On the APU FIRE panel 20 VU:
- on the AGENT pushbutton switch, theSQUIB light goes off.
1EFF : ALL 1 26-22-00Page 435 1 1 Aug 01/05R 1 1 1CES 1
5. Close-up
________
Subtask 26-22-00-865-101
A. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU APU/FIRE/EXTIG/SQUIB/B 2WF L39 121VU APU/FIRE/EXTIG/SQUIB/A 1WF L38 121VU APU/FIRE/LP VALVE/NORM 4WF M42 121VU APU/FIRE/LP VALVE/STBY 3WF M41
Subtask 26-22-00-410-068
B. Put the aircraft back to its initial configuration.
(1)
Remove the SHUNT DEVISE - SUPERSEDED BY 2-100831-1 (30840007) from the cartridge 12WF.
(2)
Make sure that the electrical connectors are clean and in the correct condition.
(3)
Connect the electrical connector 12WF-A to the cartridge 12WF.
(4)
Safety the electrical connector 12WF-A with corrosion-resistant steel lockwire 0.8 mm (0.032 in.) dia.
(5)
Disconnect the 600 ohm boomset from the service interphone jack.
(6)
Disconnect the 600 ohm headset from the CAPT jack panel.
(7)
Make sure that the work area is clean and clear of tool(s) and other items.
(8)
Close the access door 314AR.
(9)
Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(10) Remove the access platform(s). R (11) Remove the warning notice from the panel 25VU. R (12) Make an entry in the aircraft technical logbook.
Subtask 26-22-00-865-102
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1WF, 2WF, 3WF, 4WF.
Subtask 26-22-00-860-073
D. Put the aircraft back to its initial configuration.
(1) De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
APU FIRE EXTINGUISHING - ADJUSTMENT/TEST
________________________________________
TASK 26-22-00-710-001
Operational Test of the APU Fire-Extinguishing Loop/Squib
WARNING : THE ACCIDENTAL FIRING OF THE EXTINGUISHER BOTTLE CAN CAUSE SERIOUS
_______ INJURY TO PERSONS WHO WORK OR ARE IN THE CLOSE PROXIMITY.
1. Reason for the Job__________________ Self Explanatory
2. Job Set-up Information______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power
24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power
31-60-00-860-001 EIS Start Procedure
31-60-00-860-002 EIS Stop Procedure
33-14-00-710-001 Operational Test of the Annunciator Light Test System
in the Cockpit
3. Job Set-up
__________ Subtask 26-22-00-860-050
A. Aircraft Maintenance Configuration
(1)
Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002).
(2)
Do the EIS start procedure (Upper ECAM DU and lower ECAM DU only) (Ref. TASK 31-60-00-860-001).
(3)
Do the operational test of the annunciator light test system in the cockpit (Ref. TASK 33-14-00-710-001).
1EFF : ALL 1 26-22-00Page 501 1 1 Feb 01/05R 1 1 1CES 1
Subtask 26-22-00-865-053
B. Make sure that this(these) circuit breaker(s) is(are) closed: -------------------------------------------------------------------------------
PANEL ------ DESIGNATION -------------------------------------------- IDENT. LOCATION-----------------------------
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