-
for the engine 1: 5WE1-A (bottle 1) and 7WE1-A (bottle 2)
-
for the engine 2: 5WE2-A (bottle 1) and 7WE2-A (bottle 2).
(2)
Put SHUNT PLUG - FIRE EXTINGUISHER CARTRIDGE (263193) on the cartridges.
R **ON A/C 051-099, 106-149, 151-199, 211-299, 301-399, 401-499,
Subtask 26-21-00-020-053-A
E. Aircraft Maintenance Configuration
(1)
In the engine pylon, on the engine fire extinguisher bottle, disconnect the electrical connectors from the cartridges:
-
for the engine 1: 5WE1-A (bottle 1) and 7WE1-A (bottle 2)
-
for the engine 2: 5WE2-A (bottle 1) and 7WE2-A (bottle 2).
(2)
Put PROTECTIVE CAP - FIRE EXTINGUISHER CARTRIDGE (861823) on the cartridges.
**ON A/C ALL
Subtask 26-21-00-020-057
F. On the ENG/APU FIRE panel 1WD, open the guard of the ENG 1(2) FIRE pushbutton switch.
Subtask 26-21-00-865-066
G. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1WE1, 2WE1, 1WE2, 2WE2.
4. Procedure
_________ Subtask 26-21-00-720-050
A. Do this test
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. In the engine pylon:
Connect a voltmeter between:
-
the pin 1 and the aircraft grounding point
-
the pin 2 and the aircraft grounding point.
2. On the ENG/APU FIRE panel 1WD:
A. Push then release the ENG 1(2) FIRE pushbutton switch.
B. Push and hold the AGENT 1 pushbutton switch.
C. Release the AGENT 1 pushbutton switch.
In the engine pylon:
-the voltmeter must read 0VDC.
-You can hear the single chime.
On the ENG/APU FIRE panel 1WD: - on the AGENT 1 and AGENT 2 pushbutton switches, the SQUIB legend comes on.
On the glareshield panels 130VU and 131VU:
-the MASTER CAUT lights come on.
In the engine pylon, make sure that thevoltmeter reads 28VDC:
-
between pin 1 and the ground, and
-
between pin 2 and the ground.
In the engine pylon, make sure that thevoltmeter reads 0VDC:
-
between pin 1 and the grounding point, and
-
between pin 2 and the grounding point.
1EFF : ALL 1 26-21-00Page 510 1 1 Feb 01/00R 1 1 1CES 1
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
D. Push the AGENT 2 pushbutton switch.
E. Release the AGENT 2 pushbutton switch.
F. Push the ENG 1(2) FIRE pushbutton switch.
R
5. Close-up
________
Subtask 26-21-00-420-052In the engine pylon, make sure that thevoltmeter reads 28VDC:
-
between pin 1 and the grounding point, and
-
between pin 2 and the grounding point.
In the engine pylon, make sure that thevoltmeter reads 0VDC:
-
between pin 1 and the grounding point, and
-
between pin 2 and the grounding point.
On the ENG/APU FIRE panel 1WD :- on the AGENT 1 and AGENT 2 pushbutton switches, the SQUIB legend goes off.
On the glareshield panels 130VU and 131VU :
-the MASTER CAUT light goes off.
A. Put the aircraft back to the serviceable condition.
(1)
Disconnect the voltmeter.
(2)
Remove the shunt plugs from the cartridges.
(3)
In the engine pylon, on the engine fire extinguisher bottle, connect the electrical connectors:
-
for the engine 1: 5WE1-A (bottle 1) and 7WE1-A (bottle 2)
-
for the engine 2: 5WE2-A (bottle 1) and 7WE2-A (bottle 2).
(4)
On the ENG/APU FIRE panel 1WD, close the guard of the ENG 1(2) FIRE pushbutton switch.
Subtask 26-21-00-710-051
B. Operational Test
(1)
Do an operational test of the engine fire and overheat detection (Loop/Squib) (Ref. TASK 26-12-00-710-001).
(2)
Do an operational test of the hydraulic fire shut-off valves (Ref. TASK 29-10-00-710-001).
Subtask 26-21-00-410-050
C. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Install the access doors:
FOR 6WE1, 8WE1
415BL, 415BR
FOR 6WE2, 8WE2
425BL, 425BR
(3)
中國航空網 www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：A320飛機維護手冊 AMM FIRE PROTECTION 防火2(8)
