(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 79-11-10-010-056
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. 801/TASK 79-11-10-991-300)
Subtask 79-11-10-020-053
A. Removal of the damaged O-ring from the oil tank filler cap R (1) Remove the oil tank filler cap (10). (Ref. TASK 12-13-79-610-002)
(2) Remove the split ring (20) from the filler cap (10) to release the chain (40).
(3) Remove and discard the O-ring (30).
Subtask 79-11-10-420-053
B. Installation of the new O-ring (30) on the oil tank filler cap.
(1) Lubricate a new O-ring (30) with engine oil (Material No. CP2442).
(2) Install the new O-ring (30) in the groove of the filler cap (10).
(3) Install the split ring (20) on the filler cap (10) to the attach the chain (40).
R (4) Install and lock the oil tank filler cap (10) (Ref. TASK 12-13-79-R 610-002).
5. Close-up
________
Subtask 79-11-10-410-055
A. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Close the fan cowl doors: (Ref. TASK 71-13-00-410-040) FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR
(3) Remove the warning notice(s).
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Replacement of the Damaged O-ring on the Oil Tank Filler Cap
Figure 801/TASK 79-11-10-991-300
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TASK 79-11-10-300-004
Replacement of the O-ring of the Oil Cap Assembly
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific clean container
No specific warning notice
No specific Torque Wrench : range 36.00 to 220.00 lbf.in
(0.40 to 2.60 m.daN)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. CP2101 USA MIL-T5545
graphite grease (Ref. 70-30-00)
Material No. CP2442 *
engine oil (Ref. 70-30-00)
C. Expendable Parts
-------------------------------------------------------------------------------FIG.ITEM |DESIGNATION |IPC-CSN -------------------------------------------------------------------------------
50 O-ring 79-11-10 01A-175 50 O-ring 79-11-10 01A-175A R 50 O-ring 79-11-10 01C-175
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D. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
71-13-00-010-040 Opening of the Fan Cowl Doors 71-13-00-410-040 Closing of the Fan Cowl Doors 79-11-10-991-301 Fig. 802
3. Job Set-up
__________ Subtask 79-11-10-941-056
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. 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(29)
