(2)
Install the access doors:
FOR 6WE1, 8WE1
415BR, 415BL
FOR 6WE2, 8WE2
425BR, 425BL.
(3)
Remove the warning notice(s).
(4) Remove the access platform(s). Subtask 26-21-00-862-055
B. De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002)
1EFF : ALL 1 26-21-00Page 417 1 1 Feb 01/00R 1 1 1CES 1
ENGINE FIRE EXTINGUISHING - ADJUSTMENT/TEST
___________________________________________
TASK 26-21-00-710-002
Operational Check of Bottle Low Pressure Indicating Circuit
1.
Reason for the Job
__________________
Refer to the MPD TASK: 262100-02
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific allen wrench (3/32 in. hex key)
No specific warning notice
No specific access platform 1.60 m (5 ft. 3 in.)
B. 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
26-21-00-991-005 Fig. 501
26-21-00-991-002 Fig. 502
3. Job Set-up
__________ Subtask 26-21-00-861-053 R A. Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002)
Subtask 26-21-00-941-060
B. Safety Precautions
(1)
On the center pedestal, on the ENG panel 115VU:
(a) Put a warning notice to tell persons not to start the engine.
(2)
Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3)
On the overhead maintenance panel 50VU:
(a)
Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b)
Put a warning notice to tell persons not to energize the FADEC 1(2).
Subtask 26-21-00-865-071
C. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU ENGINE/ENG1 AND 2 FIRE EXTIG/BTL1/SQUIB/B 2WE1 Q44 121VU ENGINE/ENG1 AND 2 FIRE EXTIG/BTL1/SQUIB/A 1WE1 Q43 121VU ENGINE/ENG1 AND 2 FIRE EXTIG/BTL2/SQUIB/B 2WE2 Q42 121VU ENGINE/ENG1 AND 2 FIRE EXTIG/BTL2/SQUIB/A 1WE2 Q41
Subtask 26-21-00-010-055
D. Get Access
(1)
Put the access platform in position below the engine.
FOR 1000EM1
(2)
Remove the access doors 415BL, 415BR.
FOR 1000EM2
(3)
Remove the access doors 425BL, 425BR.
4. Procedure
_________
(Ref. Fig. 501/TASK 26-21-00-991-005, 502/TASK 26-21-00-991-002) Subtask 26-21-00-710-054
A. Operational Test of the Engine Fire-Extinguisher Bottles Low-Pressure
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. In the left (right) engine pylon, on the fire-extinguisher bottle 6WE1 (6WE2): On the ENG/APU FIRE panel 1WD(overhead panel 20VU):
R R R R A. Engage the allen wrench (3/32 in. hex key); turn the Allen wrench clockwise (by 10 degrees approximately) until you can feel a force. - On the AGENT 1 pushbutton switch, the DISCH legend comes on.
B. Release the Allen wrench to let the test point go back by itself to its initial - On the AGENT 1 pushbutton switch,the DISCH legend goes off.
position.
2. In the left (right) engine pylon, on the fire-extinguisher bottle 8WE1 (8WE2): On the ENG/APU FIRE panel 1WD(overhead panel 20VU):
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