B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
71-13-00-010-040 Opening of the Fan Cowl Doors
79-21-50-000-001 Removal of the Master Magnetic Chip Detector
79-21-10-991-301 Fig. 401
79-21-10-991-306 Fig. 402
79-21-10-991-302 Fig. 403
R 79-21-10-991-308 Fig. 404
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3. Job Set-up
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Subtask 79-21-10-941-056
A. 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 79-21-10-010-059
B. Open the fan cowl doors: (Ref. TASK 71-13-00-010-040)
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR
4. Procedure
_________ (Ref. Fig. 401/TASK 79-21-10-991-301, 402/TASK 79-21-10-991-306, 403/TASK R 79-21-10-991-302, 404/TASK 79-21-10-991-308) Subtask 79-21-10-020-059
A. Removal of the Lubrication Unit. CAUTION : USE 2 WRENCHES TO REMOVE OR INSTALL THE TUBE COUPLING NUTS.
_______ ONE WRENCH TO HOLD THE UNION AND ONE TO LOOSEN OR TIGHTEN THE COUPLING NUT. THIS WILL PREVENT DAMAGE TO THE HARDWARE.
(1) Put a container 6 USgal (22 l) minimum capacity below the lubrication unit to collect a possible oil leakage during removal.
(2) Remove the master chip detector (50) (Ref. TASK 79-21-50-000-001).
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General View of the Installed Lubrication Unit
Figure 401/TASK 79-21-10-991-301
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Close-up View of the Installed Master Magnetic Chip detector
Figure 402/TASK 79-21-10-991-306
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INTENTIONALLY BLANK
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R R Removal/Installation of the Lubrication Unit Figure 403/TASK 79-21-10-991-302- 14 (SHEET 1)
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R R Lubrification Unit Figure 404/TASK 79-21-10-991-308
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(3) Disconnect the electrical connector (20) from the main oil filter differentiel pressure switch (30). Use soft-nose connector pliers only if necessary.
(4) Disconnect the electrical connector (10) from the oil temperature sensor installed on the main oil filter housing. Use soft-nose connector pliers only if necessary. 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(37)
