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E E (Ref. Fig. 009) a solenoid which triggers out, or set off, the red pop-out indicator which is them VISIBLE through its transparent cap. In this state, the 28 VDC aircraft supply is cut-off on the electronics and the solenoid. The pop-out indicator will remain in its set-off, or popped-out position (see state 3), as long as it is not re-armed or re-set manually. But before resetting it in its ready-to-detect configuration (state 1), it is necessary to:
- remove the hand-removable probe; collect the particles on the magnets, and investigate the origin/cause of the magnetic contamination
- get the cause(s) corrected
- clean the probe magnets carefully and re-install it on the lubrication unit.
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E 56-5B E E E OIL FILTER CLOGGING WARNING SYSTEM - DEACTIVATION/REACTIVATION
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TASK 79-35-00-040-042
Replacement of the Main Oil Supply Filter and Check of the Electrical Chip Detector Visual Indicator (pop-out)
1. Reason for the Job
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Refer to the MMEL TASK: 79-35-02-A)a)
OIL FILTER CLOGGING WARNING SYSTEM
Warning and Caution on ECAM E/WD
ENG 1(2) OIL FILTER CLOG
2. Job Set-up Information
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A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific warning notice
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the
External Power
71-00-00-710-006 Minimum Idle Check
71-13-00-010-040 Opening of the Fan Cowl Doors
71-13-00-410-040 Closing of the Fan Cowl Doors
79-21-10-920-002 Replacement of the Main Oil Supply Filter
79-21-30-000-001 Removal of the Visual Indicator
79-21-30-440-001 Resetting of the Visual Indicator
3. Job Set-up
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R Subtask 79-35-00-861-050
R A. Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002)
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Subtask 79-35-00-941-050
R 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:
R (a) Make sure that the pushbutton switch of the ENG/FADEC GND R PWR/1(2) is off. R
(b) Put a warning notice to tell persons not to energize the FADEC 1(2).
Subtask 79-35-00-010-050
R C. Open the fan cowl doors: (Ref. TASK 71-13-00-010-040) FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR
4. Procedure
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Subtask 79-35-00-040-050
A. Replacement of the Main Oil Filter and check of the Visual indicator (pop out)
(1) Replace the main oil filter element (Ref. TASK 79-21-10-920-002).
(2) Check that the visual indicator (pop out) of the electrical chip
detector is not extended (popped out). R
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Subtask 79-35-00-720-050
R B. Visual indicator (pop out) functional Check
(1) Disconnect the DPM electrical harness connector B from the visual indicator.
(2) Close the circuit between pin N.2 and N.3 of connector B with jumper metallic for 1 second minimum.
(3) Check the visual red pop out indicator must extend (extension time < 1 second).
(a) If the red pop out has not extended, replace the visual indicator (Ref. TASK 79-21-30-000-001). 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320飞机维护手册 AMM OIL 滑油(76)
