R (a) If the fault continues:
R - do a check and repair the fuel supply of the fuel/oil heat
R exchanger for a flow that is not sufficient or for a blockage.
R 1_ If the fault continues:
R - do the trouble shooting for other CFDS messages related to
R the fuel control circuit.
R B. After the subsequent flight, make sure that the fault does not continue.
R TASK 24-21-00-810-829
R Failure of the IDG Cooler 2
R 1. Possible Causes_______________
R - FUEL/OIL HEAT EXCHANGER
R - IDG 2 oil-cooling tubing
R 2. Job Set-up Information______________________
R A. Referenced Information
R -------------------------------------------------------------------------------
R REFERENCE DESIGNATION
R -------------------------------------------------------------------------------
R AMM 24-21-00-612-043
R AMM 24-21-49-000-003
R AMM 24-21-49-400-003
R
R AMM 73-11-60-000-002
R
R AMM 73-11-60-400-002
R R 3. Fault Confirmation
__________________ R A. Test
Servicing of the IDG after Oil Chemical Contamination Removal of the IDG Cooling Oil-in Tubes and Hoses Installation of the IDG Cooling Oil-in Tubes and Hoses Removal of the Integrated Drive Generator (IDG) Oil Cooler Assembly Installation of the Integrated Drive Generator (IDG) Oil Cooler Assembly
R (1) Not applicable, you cannot confirm this fault on the ground.
R 4. Fault Isolation
_______________
R A. If the fault symptom is identified by the CFDS message IDG COOLER 2:
R - smell to make sure there is no fuel in the oil container.
R (1) If you smell fuel in the IDG 2 oil container:
R - replace the FUEL/OIL HEAT EXCHANGER of the IDG 2 (Ref. AMM TASK 73-R 11-60-000-002) and (Ref. AMM TASK 73-11-60-400-002)
R - do the servicing of the IDG 2 after oil chemical contamination
R (Ref. AMM TASK 24-21-00-612-043).
R (2) If there is no sign of fuel in the IDG 2 oil container:
R - replace the FUEL/OIL HEAT EXCHANGER of the IDG 2 (Ref. AMM TASK 73-R 11-60-000-002) and (Ref. AMM TASK 73-11-60-400-002)
R - replace the IDG 2 oil-cooling tubing (Ref. AMM TASK 24-21-49-000-R 003) and (Ref. AMM TASK 24-21-49-400-003)
R - do the servicing of the IDG 2 after oil chemical contamination
R (Ref. AMM TASK 24-21-00-612-043).
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : 401-499, ∞∞24-21-00∞∞∞∞∞∞∞∞∞∞Page 272
Aug 01/05 CES
R (a) If the fault continues:
R - do a check and repair the fuel supply of the fuel/oil heat
R exchanger for a flow that is not sufficient or for a blockage.
R 1_ If the fault continues:
R - do the trouble shooting for other CFDS messages related to
R the fuel control circuit.
R B. After the subsequent flight, make sure that the fault does not continue.
R TASK 24-21-00-810-830
R Failure of IDG 1 Low-Oil Pressure Switch or its Wiring
R 1. Possible Causes_______________
R - GCU-1 (1XU1)
R - IDG (4000XU)
R - wiring
R 2. Job Set-up Information______________________
R A. Referenced Information
R -------------------------------------------------------------------------------
R REFERENCE DESIGNATION
R -------------------------------------------------------------------------------
R AMM 24-21-51-000-040
R
R AMM 24-21-51-400-040
R
R AMM 24-22-34-000-001
R AMM 24-22-34-400-001
R AMM 24-41-00-740-002
R ASM 24-21/01
R 3. Fault Confirmation
__________________ R A. Test
Removal of the Integrated Drive Generator -IDG
1(2),(4000XU)
Installation of the Integrated Drive Generator -IDG
1(2),(4000XU)
Removal of the GCU-1(2) (1XU1, 1XU2)
Installation of the GCU-1(2) (1XU1, 1XU2)
Operational Check of GAPCU via CFDS
R (1) Do the BITE test of the GAPCU (Ref. AMM TASK 24-41-00-740-002).
R NOTE : The CFDS message IDG1 (E1-4000XU) LOP SW/ GCU1 (1XU1) can come
____ R into view if the electrical connector C is disconnected from R the IDG and the 28VDC backup power supplies the related GCU. R Before you do the trouble shooting procedure for this CFDS R message, make sure that the electrical connector C is not R disconnected. R This CFDS message can also come into view during engine R motoring or "dry cranking", then no trouble shooting is R necessary and you can ignore the message. R In other conditions, do the trouble shooting procedure that R follows:
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