Visual Inspection of the Oil Temperature Sensor [CFMI]

TASK 79-31-40-210-001-A
Visual Inspection of the Oil Temperature Sensor

FIN: 1000EM1 ** ON A/C NOT FOR ALL
FIN: 1000EM2 ** ON A/C NOT FOR ALL

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	BRUSH - BRISTLED
No specific	AR	WARNING NOTICE(S)

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.CP1039)	acetone
(Material No.CP2010)	white spirit
(Material No.CP2011)	stoddard solvent
(Material No.CP2559)	ardrox 552
(Material No.CP2560)	turco ind 79
(Material No.CP2566)	mag-chem teksol
(Material No.CP2584)	degreasol 99 R
(Material No.CP2656)	mag-chem skysol

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
FOR [1000EM1] (ENGINE-1)
437AL, 438AR
FOR [1000EM2] (ENGINE-2)
447AL, 448AR

D. Referenced Information

REFERENCE	DESIGNATION
TASK 71-13-00-010-040-A	Opening of the Fan Cowl Doors
TASK 71-13-00-410-040-A	Closing of the Fan Cowl Doors
TASK 79-31-40-000-001-A	Removal Oil Temperature Sensor (IDG Cooling System Control Sensor)
TASK 79-31-40-400-001-A	Installation Oil Temperature Sensor (IDG Cooling System Control Sensor)
Oil Temperature Sensor

3. Job Set-up
Subtask 79-31-40-941-051-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 79-31-40-010-051-A ** ON A/C NOT FOR ALL

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
Subtask 79-31-40-210-050-A ** ON A/C NOT FOR ALL

A. Inspection of the Oil Temperature Sensor

INSPECT/CHECK	MAXIMUM SERVICEABLE LIMITS	REMARKS
1.Do a visual inspection of the oil temperature sensor for:
A.Cracks	Not serviceable.	Replace the oil temperature sensor (Ref. AMM TASK 79-31-40-000-001) and (Ref. AMM TASK 79-31-40-400-001). 2.Do a visual inspection of the electrical connector for:
A.Threads for: Damage	30 percent damage in one lead-in thread or 20 percent damage on several threads	Chase threads if in limits, or replace oil temperature sensor (Ref. AMM TASK 79-31-40-000-001) and (Ref. AMM TASK 79-31-40-400-001).
B.Pin contacts for:
Bend Seizure Breakage	Must engage freely in related socket contacts	Straighten bent pins or replace oil temperature sensor if pins are broken, eroded or seized (Ref. AMM TASK 79-31-40-000-001) and (Ref. AMM TASK 79-31-40-400-001).
C.Connector well for:
Dirt	None permitted.	Clean with BRUSH - BRISTLED and stoddard solvent (Material No.CP2011) or acetone (Material No.CP1039) or ardrox 552 (Material No.CP2559) or turco ind 79 (Material No.CP2560) or mag-chem teksol (Material No.CP2566) or degreasol 99 R (Material No.CP2584) or mag-chem skysol (Material No.CP2656) or white spirit (Material No.CP2010) .

5. Close-up
Subtask 79-31-40-410-051-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the fan cowl doors: (Ref. AMM TASK 71-13-00-410-040)
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR
(3) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.01 03:38:23 UTC