Installation of the Magnetic Chip Collector Assemblies [PW11]

TASK 79-22-01-400-801-A
Installation of the Magnetic Chip Collector Assemblies

WARNING: BE CAREFUL WHEN YOU DO WORK ON THE ENGINE AFTER SHUTDOWN. THE ENGINE CAN STAY HOT FOR A LONG TIME. IF YOU DO NOT OBEY THIS INSTRUCTION, INJURY CAN OCCUR.

FIN: 4041EM ** ON A/C NOT FOR ALL
FIN: 4042EM ** ON A/C NOT FOR ALL
FIN: 4043EM ** ON A/C NOT FOR ALL
FIN: 4044EM ** ON A/C NOT FOR ALL
FIN: 4045EM ** ON A/C NOT FOR ALL
FIN: 4046EM ** 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	Torque wrench: range to between 625 and 600 lbf.in (7.06 and 6.78 m.daN )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.P03-001)	lubricant, aircraft turbine engine
(Material No.P05-005)	lint-free cotton cloth

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL, 438AR, 451AL, 452AR
FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL, 448AR, 461AL, 462AR

D. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
1	PACKING	EIPC 79-22-01-01-020
3	PACKING	EIPC 79-22-01-01-040
4	PACKING	EIPC 79-22-01-01-050

E. Referenced Information

REFERENCE	DESIGNATION
TASK 71-00-00-720-811-A	Test No. 3A - Idle Power Test
TASK 71-00-00-860-833-A	Procedure to Prevent Engine Motoring
TASK 71-13-00-010-802-A	Opening of the Fan Cowl Doors
TASK 71-13-00-410-802-A	Closing of the Fan Cowl Doors
TASK 78-30-00-040-805-A	Deactivation of the Thrust Reverser System for Ground Maintenance
TASK 78-30-00-440-805-A	Reactivation of the Thrust Reverser System after Ground Maintenance
TASK 78-36-00-010-802-A	Opening of the Thrust Reverser Cowl-Doors
TASK 78-36-00-410-802-A	Closing of the Thrust Reverser Cowl-Doors
Magnetic Chip Collectors

3. Job Set-up
Subtask 79-22-01-941-051-A ** ON A/C NOT FOR ALL

A. Safety Precautions
(1) Make sure that you did the procedure to prevent engine motoring
(Ref. AMM TASK 71-00-00-860-833).

Subtask 79-22-01-010-052-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Make sure that the fan cowl doors are open (Ref. AMM TASK 71-13-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL, 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL, 448AR

Subtask 79-22-01-040-051-A ** ON A/C NOT FOR ALL

C. Deactivation of the Thrust Reverser for Ground Maintenance

WARNING: YOU MUST DEACTIVATE THE THRUST REVERSER BEFORE YOU DO WORK ON OR AROUND IT. IF YOU DO NOT, THE THRUST REVERSER CAN OPERATE ACCIDENTALLY AND CAUSE AN INJURY AND/OR DAMAGE.

(1) Make sure that you did the deactivation of the thrust reverser system for ground maintenance (Ref. AMM TASK 78-30-00-040-805).

Subtask 79-22-01-010-053-A ** ON A/C NOT FOR ALL

D. Get Access
(1) Make sure that the thrust reverser cowl-doors are open (Ref. AMM TASK 78-36-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
451AL, 452AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
461AL, 462AR

4. Procedure
Subtask 79-22-01-420-050-A ** ON A/C NOT FOR ALL

A. Installation of the Magnetic Chip Collector Assemblies

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

CAUTION: WIPE CLEAN ALL PARTS AND TOOLS AS NECESSARY TO REMOVE UNWANTED DEBRIS AND PREVENT DAMAGE TO THE ENGINE.

(1) Removal of protection covers:

CAUTION: REMOVE THE PROTECTION COVERS FROM THE OPENINGS AS NECESSARY TO PREVENT ENGINE DAMAGE.

(a) Make sure that you remove all the necessary COVER - PROTECTION to prevent damage to the engine.

CAUTION: DO NOT INSTALL THE MAGNETIC CHIP COLLECTOR AS A COMPLETE ASSEMBLY. INSTALL THE CHIP COLLECTOR AFTER THE COLLECTOR VALVE. IF YOU DO NOT OBEY THIS CAUTION, DAMAGE TO THE CHIP COLLECTOR ASSEMBLY CAN OCCUR.

(2) Install each collector assembly (5) as follows:

NOTE: You must keep each collector valve and chip collector together as a set prior to installation. If you are installing a new collector valve do not install new packings.

(a) Apply P03-001lubricant, aircraft turbine engine to a new EIPC 79-22-01-01-040 PACKING (3).
(b) Install the packing (3) and new EIPC 79-22-01-01-050 PACKING (4) to the collector valve (6).
(c) Install the collector valve (6) to the lubrication and scavenge pump or oil tube (LR40).
(d) TORQUE the collector valve (6) to between 625 and 600 lbf.in (7.06 and 6.78 m.daN )

.
(e) Install the chip collector (2) into the collector valve (6) as follows:
1 Apply P03-001lubricant, aircraft turbine engine to a new EIPC 79-22-01-01-020 PACKING (1).
2 Install the packing (1) to the chip collector (2).
3 Push the chip collector (2) into the valve (6) and turn clockwise to engage it with the valve (6).
4 Pull the chip collector (2) away from the valve (6) to make sure that it is fully installed and cannot disengage.
5 Examine the alignment marks to make sure they line up and the chip collector (2) is completely engaged with the valve (6).
6 Use a lint-free cotton cloth (Material No.P05-005) to remove any oil that remains.
(3) Examine the assembly for unwanted objects, damage and correct assembly.
(4) Make sure that you wipe clean all the parts and tools as necessary to remove unwanted debris and prevent damage to the engine.

5. Close-up
Subtask 79-22-01-860-050-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 thrust reverser cowl-doors (Ref. AMM TASK 78-36-00-410-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
451AL 452AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
461AL 462AR

Subtask 79-22-01-440-050-A ** ON A/C NOT FOR ALL

B. Do the reactivation of the thrust reverser system after ground maintenance (Ref. AMM TASK 78-30-00-440-805).

Subtask 79-22-01-410-050-A ** ON A/C NOT FOR ALL

C. Close Access
(1) Close the fan cowl doors (Ref. AMM TASK 71-13-00-410-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL 448AR
(2) Remove the WARNING NOTICE(S).

Subtask 79-22-01-720-050-A ** ON A/C NOT FOR ALL

D. Test
(1) Do the test N°3 - Idle power test (Ref. AMM TASK 71-00-00-720-811).

[Rev.10 from 2021] 2026.04.01 03:42:00 UTC