(3)
Remove the warning notice(s).
(4)
Remove the access platform(s).
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Subtask 36-11-55-862-050
C. De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
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SOLENOID - BLEED PRESSURE REGULATOR VALVE CONTROL (10HA1,10HA2)
_______________________________________________________________ ADJUSTMENT/TEST
_______________ TASK 36-11-55-720-001 Functional Test of the Bleed-Pressure-Regulator Valve Control-Solenoid
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific warning notice
No specific access platform 1.5 m (4 ft. 11 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
3. Job Set-up
__________ Subtask 36-11-55-861-051
A. Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
Subtask 36-11-55-941-053
B. Safety Precautions
(1)
Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(2)
On the AIR COND panel 30VU:
-make sure that the ENG 1(2) BLEED pushbutton switch is released
(the OFF legend is on), R - make sure that the APU BLEED pushbutton switch is released (the OFF R legend is on),
-put a warning notice to tell persons not to operate the pneumatic system.
(3)
On the ENG panel 115VU:
-put a warning notice to tell persons not to start the engine 1(2).
(4)
On the HP ground connector:
-Put a warning notice to tell persons not to pressurize the pneumatic system.
(5)
On the ENG section of the maintenance panel 50VU:
-make sure that the ON legend of the ENG/FADEC GND PWR 1(2) pushbutton switch is off,
-put a warning notice to tell persons not to energize the FADEC 1(2).
Subtask 36-11-55-865-055
C. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU AIR BLEED/X FEED/VALVE/BAT 2HV D13 49VU AIR BLEED/ENG 1/CTL 3HA1 D12 49VU AIR BLEED/ENG 1/MONG 2HA1 D11 122VU AIR BLEED/ENG 2/CTL 3HA2 Z23 122VU AIR BLEED/ENG 2/MONG 2HA2 Z22 122VU AIR BLEED/X FEED VALVE/NORM 1HV Z20
Subtask 36-11-55-010-052
D. Get Access
(1)
Put the access platform in position at the related pylon access panel.
(2)
Open the access panels:
FOR 10HA1
413DL
FOR 10HA2
423DL
4. Procedure
_________ Subtask 36-11-55-720-051
A. Functional Test of the Bleed-Pressure-Regulator Valve Control-Solenoid
(1) On the panel 30VU:
-push and release the ENG 1(2) BLEED pushbutton switch and, on the related engine pylon, make sure that you hear clicks on the solenoid of the bleed-pressure-regulator valve control-solenoid.
5. Close-up
________ Subtask 36-11-55-410-051
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Close the access panels:
FOR 10HA1
413DL
FOR 10HA2
423DL
(3)
Remove the warning notice(s).
(4) Remove the access platform(s). Subtask 36-11-55-862-051
B. De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
CHECK VALVE - PRESSURE SERVICE (7270HM,7272HM) - REMOVAL/INSTALLATION
_____________________________________________________________________ TASK 36-11-56-000-001 Removal of the Pressure Service Check-Valve (7270HM, 7272HM) WARNING : MAKE SURE THAT THE PNEUMATIC SYSTEM IS DEPRESSURIZED BEFORE YOU START
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