Failure of the IDG1 Cooler
 1. Possible Causes
_______________
 - IDG1 oil cooler

 - IDG1 oil cooling tubing

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM  24-21-49-000-003 
AMM  24-21-49-000-004 
AMM  24-21-49-400-003 
AMM  24-21-49-400-004 
AMM  24-41-00-740-002 
AMM  24-41-00-861-002 
AMM  24-41-00-862-002 
AMM  31-60-00-860-001 
AMM  71-00-00-710-003 
AMM  71-00-00-710-028 
AMM  73-11-60-000-002 
AMM  73-11-60-400-002 

3. Fault Confirmation
__________________
 A. Test Not applicable.
Removal of the IDG Cooling Oil-in Tubes and HosesRemoval of the IDG Cooling Oil-out Tubes and HosesInstallation of the IDG Cooling Oil-in Tubes and HosesInstallation of the IDG Cooling Oil-out tubes and HosesOperational Test of the Ground power Control Unit (GPCU)Energize the Aircraft Electrical Circuits from the External PowerDe-energize the Aircraft Electrical Circuits Supplied from the External PowerEIS Start ProcedureEngine Automatic StartEngine ShutdownRemoval of the Integrated Drive Generator (IDG) Oil Cooler AssemblyInstallation of the Integrated Drive Generator (IDG) Oil Cooler Assembly
 NOTE : As the GEN1 was set to OFF because of a true failure, the fault
____
 confirmation is not necessary.
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 001-049, 051-099, 101-149, 151-199, ∞∞24-20-00∞∞∞∞∞∞∞∞∞∞Page A238
 201-299, 301-399, Aug 01/05 CES

 4. Fault Isolation
_______________
 A. If the fault symptom is identified by the CFDS message IDG COOLER 1 and the warning IDG1 OIL OVHT on the upper ECAM DU:
 - replace the IDG1 oil cooler (Ref. AMM TASK 73-11-60-000-002) and (Ref. AMM TASK 73-11-60-400-002).
 (1) If the fault continues:
 - do a check for cooler tubing blockage and replace the IDG1 oil cooling tubing which is blocked (Ref. AMM TASK 24-21-49-000-003) (Ref. AMM TASK 24-21-49-000-004) and (Ref. AMM TASK 24-21-49-400-003) (Ref. AMM TASK 24-21-49-400-004).
 B. Do this operational test to make sure that the system operates correctly.
 (1) Aircraft Maintenance Configuration

 (a) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).

 (b) Do the EIS start procedure (Upper ECAM DU and lower ECAM DU only) (Ref. AMM TASK 31-60-00-860-001).

 (2) On the ELEC panel 35VU:

 - push, release and push again the GEN1 pushbutton switch (3XU1).

 (3) Do the operational test of the GPCU (Ref. AMM TASK 24-41-00-740-002).

 (4) Start the engine 1 (Ref. AMM TASK 71-00-00-710-003).

 C. Do this test:
 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the ECAM control panel: On the lower ECAM display unit:
 - get the ELEC page.  - the correct electrical parameters of GEN1 are shown and AC1 busbar is supplied by GEN1.
 5. Close-up
________
 A. Put the aircraft back to its initial configuration.
 (1) Stop the engine 1 (Ref. AMM TASK 71-00-00-710-028).

 (2) On the ECAM control panel, set the UPPER DISPLAY and LOWER DISPLAY potentiometers to OFF.

 (3) De-energize the aircraft electrical circuits
 (Ref. AMM TASK 24-41-00-862-002).

 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 001-049, 051-099, 101-149, 151-199, ∞∞24-20-00∞∞∞∞∞∞∞∞∞∞Page A239
 201-299, 301-399, Aug 01/05 CES TASK 24-20-00-810-856 Failure of the IDG2 Cooler

 1. Possible Causes
_______________
 - IDG2 oil cooler

 - IDG2 oil cooling tubing

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM  24-21-49-000-003 
AMM  24-21-49-000-004 
AMM  24-21-49-400-003 
　
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