Removal Oil Temperature Sensor (IDG Cooling System Control Sensor) [CFMI]
TASK 79-31-40-000-001-A
Removal Oil Temperature Sensor (IDG Cooling System Control Sensor)
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 79-31-40-941-050-A ** ON A/C NOT FOR ALL
Subtask 79-31-40-020-051-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 03:38:21 UTC
Removal Oil Temperature Sensor (IDG Cooling System Control Sensor)
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | PLIERS - NOSE, SOFT, LONG |
| No specific | AR | WARNING NOTICE(S) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| FOR [1000EM1] (ENGINE-1) | |
| 437AL, 438AR | |
| FOR [1000EM2] (ENGINE-2) | |
| 447AL, 448AR | |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 71-13-00-010-040-A | Opening of the Fan Cowl Doors |
Subtask 79-31-40-941-050-A ** ON A/C NOT FOR ALL
A. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:
(a) Put a WARNING NOTICE(S) to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).
Subtask 79-31-40-010-050-A ** ON A/C NOT FOR ALL (1) On the center pedestal, on the ENG panel 115VU:
(a) Put a WARNING NOTICE(S) to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).
B. Open the fan cowl doors: (Ref. AMM TASK 71-13-00-010-040)
(1) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(2) FOR [1000EM2] (ENGINE-2)
447AL 448AR
4. Procedure(1) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(2) FOR [1000EM2] (ENGINE-2)
447AL 448AR
Subtask 79-31-40-020-051-A ** ON A/C NOT FOR ALL
A. Disconnection of the Connector:
(1) Disconnect the electrical connector (20) from the oil temperature sensor (10). Use PLIERS - NOSE, SOFT, LONG only if necessary.
(2) Remove lockwire.
Subtask 79-31-40-020-050-A ** ON A/C NOT FOR ALL (1) Disconnect the electrical connector (20) from the oil temperature sensor (10). Use PLIERS - NOSE, SOFT, LONG only if necessary.
(2) Remove lockwire.
B. Removal of the Oil Temperature Sensor:
(1) Remove the oil temperature sensor (10) from the forward sump supply tube (30), and discard the O-ring (40). Put blanking caps at each end of sensor (10).
(2) Put a blanking on the tube (30) at the location of the removed sensor (10).
(3) Put a blanking cap on the disconnected electircal connector (20).
(1) Remove the oil temperature sensor (10) from the forward sump supply tube (30), and discard the O-ring (40). Put blanking caps at each end of sensor (10).
(2) Put a blanking on the tube (30) at the location of the removed sensor (10).
(3) Put a blanking cap on the disconnected electircal connector (20).
Oil Temperature Sensor