R (b) If the resistance values are in the specified limits:
R - do a check of the wiring of the oil inlet and outlet
R temperature-sensors (Ref. ASM 24-21/01) for an open circuit, a
R short to ground or a short to shield between:
R . pin B/7 of the IDG 1 and pin A/9C of the GCU 1
R . pin B/8 of the IDG 1 and pin A/9D of the GCU 1
R . pin B/9 of the IDG 1 and pin A/10C of the GCU 1
R . pins A/9C and A/10D of the GCU 1 (do a check for a short to R shield)
R . pins A/9D and A/10D of the GCU 1 (do a check for a short to R shield)
R . pins A/10C and A/10D of the GCU 1 (do a check for a short to R shield).
「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 : 401-499, ∞∞24-00-00∞∞∞∞∞∞∞∞∞∞Page 215
Aug 01/05 CES
R 1_ If the wiring is not correct:
R - repair or replace as necessary.
R 2_ If the wiring is correct:
R - replace the GCU-1 (1XU1) (Ref. AMM TASK 24-22-34-000-001)
R and (Ref. AMM TASK 24-22-34-400-001).
R 3_ If the fault continues:
R - replace the engine 1 IDG (4000XU) (Ref. AMM TASK 24-21-51-
R 000-040) and (Ref. AMM TASK 24-21-51-400-040).
R B. After the subsequent flight, make sure that the fault does not continue.
R TASK 24-00-00-810-813 R High-Delta Temperature Condition of the IDG 2 Oil Sensors R 1. Possible Causes
_______________
R - IDG (4000XU) R - GCU-2 (1XU2) R - wiring
R 2. Job Set-up Information
______________________
R A. Referenced Information
R -------------------------------------------------------------------------------R REFERENCE DESIGNATION R -------------------------------------------------------------------------------
R AMM 12-13-24-612-041 R R AMM 24-21-00-210-044 R AMM 24-21-00-210-046 R R AMM 24-21-00-720-041 R R AMM 24-21-00-920-040 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 ASM 24-21/01
R 3. Fault Confirmation
__________________
R A. Test IDG Servicing - Filling of the IDG with Oil or Addition of Oil after a Level Check Inspection of the Filter Element(s) Check of the Oil Level and Oil-Filter Differential-Pressure Indicator (DPI) Operational Test of the IDG Disconnect and Reconnect (Reset) Function - Engine in Operation Drain IDG Oil System, Discard Filter Element(s) and Replenish 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)
R (1) Not applicable, you cannot confirm this fault on the ground.
R 4. Fault Isolation
_______________
R CAUTION : BEFORE YOU START THE CHECK OF IDG WIRING THAT INCLUDES CONNECTORS,
_______ R EXAMINE EACH CONNECTOR TO MAKE SURE THAT THERE IS NO OIL IN IT. R IF YOU FIND OIL, CLEAN THE CONNECTOR AND CONNECT IT AGAIN. R IF THE FAILURE CONTINUES, DO THE TROUBLE SHOOTING PROCEDURE AS R GIVEN BELOW.
R A. If the fault symptom is identified by the CFDS message IDG2 (E2-4000XU)
R OIL DELTA TEMP/ GCU2 (1XU2):
R - do a check of the Differential Pressure Indicator (DPI) of the IDG 2
R (Ref. AMM TASK 24-21-00-210-046).
R (1) If the DPI is extended:
R - replace the engine 2 IDG (4000XU) (Ref. AMM TASK 24-21-51-000-040)
R and (Ref. AMM TASK 24-21-51-400-040).
R (2) If the DPI is not extended:
R - do an inspection of the IDG 2 charge and scavenge filters (Ref. AMM
R TASK 24-21-00-210-044).
R (a) If there is contamination of the IDG 2 charge and scavenge
R filters:
R - replace the engine 2 IDG (4000XU) (Ref. AMM TASK 24-21-51-000-R 040) and (Ref. AMM TASK 24-21-51-400-040).
R (b) If there is no contamination of the IDG 2 charge and scavenge
R filters:
R - replace the IDG 2 charge and scavenge filters (Ref. AMM TASK
R 24-21-00-920-040)
R - add oil (Ref. AMM TASK 12-13-24-612-041)
R - do the operational test of the IDG 1 disconnect and reconnect
R function (with the engine in operation) (Ref. AMM TASK 24-21-R 00-720-041).
R (3) If the fault continues:
R - do a check of the resistance of the oil inlet and outlet
R temperature-sensors of the IDG 2 (Ref. ASM 24-21/01) between:
R . pin B/7 and pin B/8 (100 ohms plus or minus 10 ohms at the R ambient temperature of the IDG case)
R . pin B/8 and pin B/9 (100 ohms plus or minus 10 ohms at the R ambient temperature of the IDG case).
R (a) If the resistance values are out of the specified limits:
R - replace the engine 2 IDG (4000XU) (Ref. AMM TASK 24-21-51-000-R 040) and (Ref. AMM TASK 24-21-51-400-040).
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