Installation of the Magnetic Chip Detector [IAE]

TASK 79-22-45-400-010-A
Installation of the Magnetic Chip Detector

WARNING: DO NOT GET THE FLUID ON YOUR SKIN OR IN YOUR EYES. IF YOU DO:

FLUSH IT AWAY WITH CLEAN WATER
GET MEDICAL AID.

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

CAUTION: DO NOT LET ENGINE FUEL OR OIL FALL ON THE ENGINE. UNWANTED FUEL OR OIL MUST BE REMOVED IMMEDIATELY WITH A CLEAN LINT FREE CLOTH. THE FUEL OR OIL CAN CAUSE DAMAGE TO THE SURFACE PROTECTION AND TO SOME PARTS.

CAUTION: MAKE SURE THAT THE MAGNETIC CHIP DETECTORS HAVE NEW SEAL RINGS INSTALLED. IF THE SEAL RINGS ARE NOT INSTALLED LARGE OIL LEAKAGE WILL OCCUR DURING ENGINE OPERATION AND CAN CAUSE ENGINE FAILURE.

ZONE: 400
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	WARNING NOTICE(S)

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.V10-077)	lubricant (engine oil)

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
400	POWER PLANT, NACELLES AND PYLONS
FOR [1000EM1] (ENGINE-1)
437AL, 437CL, 438AR
FOR [1000EM2] (ENGINE-2)
447AL, 447CL, 448AR

D. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
5	SEAL RING	AIPC 79-22-45-80-040

E. Referenced Information

REFERENCE	DESIGNATION
TASK 70-23-13-911-010-A	Procedures for the Installation of Preformed Packings
TASK 71-13-00-010-010-A	Opening of the Fan Cowls 437AL(447AL),438AR(448AR)
TASK 71-13-00-410-010-A	Closing of the Fan Cowls 437AL(447AL),438AR(448AR)
Magnetic Chip Detectors
Master Magnetic Chip Detector

3. Job Set-up
Subtask 79-22-45-860-050-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) On the center pedestal, on the ENG panel 115VU, make sure that a WARNING NOTICE(S) is in position to tell persons not to start the engine.
(2) On the overhead maintenance panel 50VU, make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off. Make sure that a WARNING NOTICE(S) is in position to tell persons not to energize the FADEC 1(2).

Subtask 79-22-45-010-053-A ** ON A/C NOT FOR ALL

B. Make sure that the fan cowl doors are open: (Ref. AMM TASK 71-13-00-010-010)
(1) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(2) FOR [1000EM2] (ENGINE-2)
447AL 448AR

4. Procedure
Subtask 79-22-45-420-055-C ** ON A/C NOT FOR ALL

A. Install the new seal ring AIPC 79-22-45-80-040 SEAL RING (5) (Ref. AMM TASK 70-23-13-911-010) on the MCD.

Magnetic Chip Detectors ** ON A/C NOT FOR ALL

(1) Lubricate the seal ring (5) with clean V10-077lubricant (engine oil)

Subtask 79-22-45-420-050-C ** ON A/C NOT FOR ALL

B. Install the MCD (4)

Master Magnetic Chip Detector ** ON A/C NOT FOR ALL

CAUTION: DO NOT TRY TO INSTALL THE MCD IF THE SEAL RING AND OMNISEAL ARE NOT INSTALLED. IF YOU DO, THIS COULD RESULT IN AN INFLIGHT SHUTDOWN OF THE ENGINE BECAUSE OF OIL LEAKAGE.

(1) Carefully put the end of the MCD (4) into the housing (6). Align the bayonet pins with the slots in the housing. Push the MCD in to the housing and turn it clockwise until it will not turn more. Release the MCD. The spring pressure will keep the MCD in position.
(2) To do an installation check of the MCD (4). Lightly pull the MCD and try to turn it clockwise and counterclockwise. The MCD must stay locked. Make sure the red marks on the MCD align with the red marks on the MCD housing.

5. Close-up
Subtask 79-22-45-410-050-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 MCD access panel or left and right fan cowls if applicable.
(a) FOR [1000EM1] (ENGINE-1)
437CL
(b) FOR [1000EM2] (ENGINE-2)
447CL
(3) Close the MCD access panel.
(4) Close the left and right fan cowls (Ref. AMM TASK 71-13-00-410-010)
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR
(5) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.02 06:39:54 UTC