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C. Referenced Information
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REFERENCE DESIGNATION
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R 12-13-79-610-002 Check oil level and replenish Check Pop Out Indicator
R of EMCD (Electrical Master Chip Detector) 71-00-00-710-006 Minimum Idle Check 71-00-00-820-002 Oil Circuit Air Flow Check 71-13-00-010-040 Opening of the Fan Cowl Doors 71-13-00-410-040 Closing of the Fan Cowl Doors 72-63-00-000-001 Removal of the Accessory Gearbox Module 72-63-00-400-001 Installation of the Accessory Gearbox Module 72-00-00-991-318 Fig. 205
3. Job Set-up
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Subtask 72-00-00-941-107
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 72-00-00-010-149
B. Open the fan cowl doors (Ref. TASK 71-13-00-010-040):
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR
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4. Procedure
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(Ref. Fig. 205/TASK 72-00-00-991-318)
Subtask 72-00-00-280-071
A. AGB/TGB Air Flow Check
WARNING : USE PROTECTIVE GLOVES AND BE CAREFUL WITH OIL SPLASHES WHEN YOU
_______ DISCONNECT OIL TUBES. HOT OIL CAN CAUSE DEEP BURNS.
(1) Remove bolt (50), outer spring clip (20), inner spring clip (40), and plastic bushings (30), which attach the AGB/TGB oil supply tube (10) to the AGB bracket.
(2) Put a container of 0.5 USgal (2 l.) under the junctions of the oil supply tube (10) to the AGB and to the lubrication unit.
(3) Disconnect the oil supply tube.
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.
(a) Disconnect the oil supply tube (10) from the nipples of the AGB and lubrication unit.
(4) Connect the test rig, equipped with ADAPTER, TEST RIG - AIR FLOW CHECK (856A3267G02), to the AGB nipple.
(5) TORQUE the union nut to between 225 and 275 lbf.in (2.54 and 3.10 m.daN).
R (6) Do the check of the the AGB/TGB oil supply circuit (Ref. TASK 71-00-R 00-820-002).
(7) If the measured flow rate is not within the limits, replace the accessory gearbox module (Ref. TASK 72-63-00-000-001) and (Ref. TASK 72-63-00-400-001).
(8) Disconnect the test rig from the AGB nipple.
(9) Connect the AGB/TGB oil supply tube (10) to the AGB and lubrication unit nipples. Tighten by hand.
(10) Lubricate the threads of bolt (50) with graphite grease (Material No. CP2101).
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Air Flow Check of the AGB/TGB Oil Supply Circuit
Figure 205/TASK 72-00-00-991-318
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(11) Attach the AGB/TGB oil supply tube (10) to AGB bracket with plastic bushings (30), inner spring clip (40), outer spring clip (20) and bolt (50).
(12) Make sure that the EGB/TGB oil supply tube (10) is not strained. 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 ENGINE 发动机 1(22)
