Installation of the Magnetic Chip Detector Housing [IAE]

TASK 79-22-45-400-011-A
Installation of the Magnetic Chip Detector Housing

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.

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.

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)
No specific	Torque wrench: range to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.V02-126)	lockwire
(Material No.V10-077)	lubricant (engine oil)

C. Work Zones and Access Panels

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

D. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
5	PERFORMED PACKING	AIPC 79-22-45-80-050
6	PERFORMED PACKING	AIPC 79-22-45-80-060

E. Referenced Information

REFERENCE	DESIGNATION
TASK 12-13-79-610-011-A	Check Oil Level and Replenish
TASK 70-23-11-911-013-A	General Torque Tightening Techniques
TASK 71-00-00-710-012-B	Test No.3 : Idle Leak Check
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 Detector Housing
Safety the Chip Detector Housings with Wire

3. Job Set-up
Subtask 79-22-45-860-051-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 79-22-45-010-054-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 79-22-45-420-056-B ** ON A/C NOT FOR ALL

A. Install the seal rings (5) and (6)

Post SBE 79-0042

(1) Install the new AIPC 79-22-45-80-050 PERFORMED PACKING (5) and AIPC 79-22-45-80-060 PERFORMED PACKING (6) or AIPC 79-22-45-80-060 PERFORMED PACKING (6) to the Magnetic Chip Detector (MCD) housing.

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

Subtask 79-22-45-640-050-A ** ON A/C NOT FOR ALL

B. Lubricate the seal ring, the mating faces and the threads of the MCD housing with engine oil.

Subtask 79-22-45-420-051-C ** ON A/C NOT FOR ALL

CAUTION: MAKE SURE THAT THE MAGNETIC CHIP DETECTOR HOUSING HAS A NEW SEAL RING INSTALLED. IF THE SEAL RING IS NOT INSTALLED, LARGE OIL LEAKAGE CAN OCCUR DURING ENGINE OPERATION AND CAN CAUSE ENGINE FAILURE.

C. Install the MCD housing

Post SBE 79-0042

(1) Install the MCD housing (4).

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

(2) TORQUE the MCD housing to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )

(Ref. AMM TASK 70-23-11-911-013).
(3) Safety the MCD housing with lockwire (Material No.V02-126)

Safety the Chip Detector Housings with Wire ** ON A/C NOT FOR ALL

(4) Install the MCD

Subtask 79-22-45-612-050-A ** ON A/C NOT FOR ALL

D. Make sure there is sufficient oil in the oil system. Add V10-077lubricant (engine oil) if necessary (Ref. AMM TASK 12-13-79-610-011)

5. Close-up
Subtask 79-22-45-410-051-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 cowls (Ref. AMM TASK 71-13-00-410-010)
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR
(3) Remove the WARNING NOTICE(S).

Subtask 79-22-45-790-051-B ** ON A/C NOT FOR ALL

B. Do an idle leak check (Ref. AMM TASK 71-00-00-710-012).

[Rev.10 from 2021] 2026.04.01 04:33:33 UTC