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E T T 『E CFDS FAULT MESSAGES E FAULT E十 T T T 1 ISOLATION EESOURCE E MESSAGE E ATA ECE PROCEDURE E十 十 十 十 十 1EEIU2FADEEOT SNSR, J13, ECU ENG2BE793140ESE793100 P 210EE E E E ET 810 818 E十 十 十 十 十 1EEIU2FADEEOT SNSR, J13, ECU ENG2BE793140E2E793100 P 210E十 1 1 1 1T 810 818 EEIDENT: EIU2FAD E E十 T T T 十 1EEIU2FADEIDG, FRV(OIL TEMP) ENG2AE794000ESE794000 P 204EE E E E ET 810 802 E十 十 十 十 十 1EEIU2FADEIDG, FRV(OIL TEMP) ENG2BE794000ESE794000 P 204EE E E E ET 810 802 E十 十 十 十 十 1EEIU2FADEOIL PRESS XMTR2 4003EN E793315E3E793300 P 203EE EOR LOW PRESS2 SW 4001EN E E ET 810 808 E十 十 十 十 十 1 ETPIS ECHECK OIL PRESS SWITCH E793415E2E324900 P 226E E E3EN1 E E ET 810 820 E十 十 十 十 十 1 ETPIS ECHECK OIL PRESS SWITCH E793415E2E324900 P 228E E E3EN2 E E ET 810 821 E1 1 1 1 1 E
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 OIL - GENERAL - FAULT ISOLATION PROCEDURES

__________________________________________
R
 TASK 79-00-00-810-805
R Abnormal Oil Temperature on Engine 1 or on Engine 2
 1. Possible Causes
_______________
 - EIU-1 (1KS1) R
 - oil/fuel heat exchanger R - SENSOR-OIL TEMP (4004EN) R - aircraft wiring
 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
R  AMM  71-51-43-000-001 
R  AMM  71-51-43-400-001 
AMM  73-25-34-000-040 
AMM  73-25-34-400-040 
R  AMM  79-21-10-210-002 
R 
AMM  79-21-20-000-002 
AMM  79-21-20-400-002 
R  AMM  79-32-15-000-041 
R 
R  AMM  79-32-15-400-041 
R 
R  ASM  79-36/01
 3. Fault Confirmation__________________
 A. Test 
R  Not applicable. 
R

Removal of the Left Side Harness (4216KS)
Installation of the Left Side Harness (4216KS)
Removal of the Engine Interface Unit (EIU)
 (1KS1,1KS2)
Installation of the Engine Interface Unit (EIU)
 (1KS1,1KS2)
Check of the Lubrication Unit Magnetic Plugs and
Screens
Removal of the Main Oil/Fuel Heat Exchanger
Installation of the Main Oil/Fuel Heat Exchanger
Removal of the Oil Temperature Sensor (Engine
Condition Monitoring Sensor)
Installation of the Oil Temperature Sensor (Engine
Condition Monitoring Sensor)

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 4. Fault Isolation
_______________
R A. Procedure.
R NOTE : The fault is triggered if:
____ R -the oil temperature was between 140 and 155 deg. C for at least R 15 minutes or has exceeded 155 deg. C. R Continuous operation with abnormal IDG high oil temperature may R also cause engine oil temperature exceedance.
R (1) If the IDG oil was also too high and/or if the warning IDG OIL OVHT
R has been triggered:
R - do the trouble shooting of the IDG per applicable TSM for abnormal
R IDG oil temperature.

R (2) If nothing is found or no warning IDG OIL OVHT was triggered:
R - do a check of the lubrication unit magnetic plugs and screens for
R particles (Ref. AMM TASK 79-21-10-210-002).
R - get a sample of oil from the engine oil tank

R (a) if you can smell fuel presence in the oil:
R - replace the oil/fuel heat exchanger (Ref. AMM TASK 79-21-20-R 000-002) and (Ref. AMM TASK 79-21-20-400-002).

R (b) if you cannot smell fuel presence in the oil:
R - do an oil analysis to make sure that the engine oil tank was
R not serviced with a non approved product.
　
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