(b) Put a warning notice to tell persons not to energize the FADEC 1(2).
Subtask 71-00-00-010-109
B. Open the fan cowls: (Ref. TASK 71-13-00-010-040)
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR
4. Procedure
_________
Subtask 71-00-00-010-110
A. Remove the starter pad oil drain tube (Ref. TASK 71-73-49-000-003).
Subtask 71-00-00-480-063
B. Sealing tool installation.
(Ref. Fig. 543/TASK 71-00-00-991-372)
(1) Remove the storage plugs from tool TOOL SET, LEAK TEST -AGB/EQUIPMENT CAVITY (856A2675).
(2) Take sealing tool and connect flexible hose of the tool to AGB drain nipple and TORQUE to between 200 and 250 lbf.in (2.26 and 2.82 m.daN).
(3) Connect flexible hose to air or nitrogen supply and TORQUE to between 200 and 255 lbf.in (2.26 and 2.88 m.daN).
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AGB Starter Pad Drain Sealing Check Figure 543/TASK 71-00-00-991-372
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C. Test process. CAUTION : DO NOT OVERPRESSURIZE CAVITY, MAX. PRESSURE ALLOWED IS 29 PSI
_______
TO AVOID MAG SEAL SEPARATION.
(1) Open air or nitrogen air supply source and pressurize cavity to 7.25 Psi (0.5B).
(2) Close isolation valve to isolate AGB cavity.
(3) Check sealing cavity, there must be no pressure decrease during 1 minute test. A quick pressure decrease indicate a damaged o-ring, difficulties to isolate cavity and maintain pressure, indicate a missing o-ring on starter output shaft. Both cases involve starter removal and o-ring replacement or installation.
(4) After seal replacement, perform leak check again to verify cavity sealing.
(5) After test completion, remove sealing tool and reinstall starter pad oil drain tube.
Subtask 71-00-00-410-106
D. Install the starter pad oil drain tube (Ref. TASK 71-73-49-400-003).
5. Close-up
________ Subtask 71-00-00-410-107
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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TASK 71-00-00-790-002
Fuel or Hydraulic or Oil Leakage Limits
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Referenced Information
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REFERENCE DESIGNATION
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29-00-00-790-001 Check of the External Leaks of the Hydraulic
Components
71-00-00-710-003 Engine Automatic Start
R 71-00-00-790-002 Fuel or Hydraulic or Oil Leakage Limits 71-00-00-790-005 Drain Mast Leakage Identification Procedure 72-56-00-000-002 Removal of the Oil Inlet Cover Assembly 72-56-00-300-006 Replacement of the Oil Supply Tube Assembly 72-56-00-400-002 Installation of the Oil Inlet Cover Assembly 72-63-00-300-002 Replacement of a Sealol Seal (Typical) 72-63-00-300-003 Replacement of a Magnetic Seal (Typical) 72-63-00-300-004 Replacement of a Magnetic Seal (IDG and Starter Drive Pads). 73-11-10-000-003 Removal of the Fuel Pump and Filter Assembly 73-11-10-400-003 Installation of the Fuel Pump and Filter Assembly 73-11-31-000-041 Removal of the Fuel Manifold Gasket Seals 73-11-40-790-002 Leak Check of the Fuel Nozzles 73-11-70-000-002 Removal of the Burner Staging Valve (BSV) 73-11-70-400-002 Installation of the Burner Staging Valve (BSV) 73-21-10-000-002 Removal of the Hydromechanical Unit (HMU) 73-21-10-400-002 Installation of the Hydromechanical Unit (HMU) 75-21-10-000-002 Removal of the High Pressure Turbine Active Clearance Control (HPTACC) Valve 75-21-10-400-002 Installation of the High Pressure Turbine Active Clearance Control (HPTACC) Valve 75-22-10-000-002 Removal of the Low Pressure Turbine Active Clearance Control (LPTACC) Valve 75-22-10-400-002 Installation of the Low Pressure Turbine Active Clearance Control (LPTACC) Valve 75-23-10-000-002 Removal of the Rotor Active Clearance Start Bleed Valve (4038KS) 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 动力装置 POWER PLANT 1(83)
