Servicing of the Engine-Pump Case-Drain Filter

TASK 29-13-43-610-802-A
Servicing of the Engine-Pump Case-Drain Filter

WARNING: WEAR APPLICABLE PERSONAL PROTECTIVE EQUIPMENT (PPE) WHEN YOU DO THIS TASK. BEFORE YOU USE PPE, READ, UNDERSTAND AND OBEY ALL INSTRUCTIONS FOR ITS USE. THESE INSTRUCTIONS INCLUDE INSTRUCTIONS FROM THE MANUFACTURER, YOUR EMPLOYER AND GOVERNMENT REGULATIONS. YOU CAN GET INJURED IF YOU DO NOT USE PPE. GET INSTRUCTIONS FROM YOUR EMPLOYER ON WHICH PPE IS NECESSARY.

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.

WARNING: OBEY THE HYDRAULIC SAFETY PROCEDURES.

ZONE: 445
FIN: 3084GM ** 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	1	ACCESS PLATFORM 1M (3 FT)-ADJUSTABLE
No specific	1	CONTAINER 5 L (1.32 USGAL)
No specific	AR	COVER - PROTECTION
No specific	AR	WARNING NOTICE(S)

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.PU1-0001)	lint-free cotton cloth
(Material No.PU1-0011)	lockwire

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
445	FAN AND ACCESSORY GEARBOX
195BB, 198CB
FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL, 448AR

D. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
1	FILTER CARTRIDGE	AIPC 29-13-43-50-030

E. Referenced Information

REFERENCE	DESIGNATION
TASK 29-10-00-864-002-A	Depressurize the Yellow Hydraulic System
TASK 29-13-00-710-002-A	Operational Test of the Yellow Hydraulic System
TASK 29-14-00-614-001-A	Depressurization of the Hydraulic Reservoirs
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 78-31-00-710-805-A	Operational Test of Thrust Reverser with MCDU
TASK 78-31-00-710-805-A-01	Thrust Reverser Cycling Test (Engine Running)
Engine-Pump Case-Drain Filter

3. Job Set-up
Subtask 29-13-43-860-067-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Make sure that the Yellow hydraulic system is depressurized.
(Ref. AMM TASK 29-10-00-864-002).
(2) Depressurize the reservoir of the Yellow hydraulic system.
(Ref. AMM TASK 29-14-00-614-001).

Subtask 29-13-43-941-066-A ** ON A/C NOT FOR ALL

B. Safety Precautions
(1) On AIR COND panel 30VU:

Make sure that the APU BLEED pushbutton switch is released (the ON legend is off).
Put a WARNING NOTICE(S) in position to tell persons not to operate this pushbutton switch.

(2) Open access door 198CB.
(a) Put WARNING NOTICE(S) in position to tell persons not to pressurize the Yellow hydraulic system on the ground service panel.
(3) On the HYD section of panel 40VU:

Put WARNING NOTICE(S) in position to tell persons not to pressurize the Yellow hydraulic system.

(4) Open access door 195BB:
(a) Put a WARNING NOTICE(S) in position to tell persons not to pressurize the reservoir of the Yellow hydraulic system.
(5) Do the procedure to prevent engine motoring
(Ref. AMM TASK 71-00-00-860-833).

Subtask 29-13-43-010-063-A ** ON A/C NOT FOR ALL

C. Get Access
(1) Open the fan cowl doors (Ref. AMM TASK 71-13-00-010-802):
(a) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL 448AR
(2) Put an ACCESS PLATFORM 1M (3 FT)-ADJUSTABLE in position.

4. Procedure
Subtask 29-13-43-610-050-A ** ON A/C NOT FOR ALL

A. Servicing the Hydraulic Filter Assembly

CAUTION: HYDRAULIC FLUID CAN CAUSE DAMAGE TO EQUIPMENT. IF HYDRAULIC FLUID FALLS ON A SURFACE, IMMEDIATELY CLEAN THE SURFACE WITH A CLEAN CLOTH.

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

(1) Installation of the protection covers

CAUTION: INSTALL PROTECTION COVERS ON ALL THE OPENINGS IMMEDIATELY TO PREVENT DAMAGE TO THE ENGINE.

(a) Make sure that you install the COVER - PROTECTION as necessary to prevent damage to the engine.
(2) Put the lint-free cotton cloth (Material No.PU1-0001) below the hydraulic filter assembly to collect hydraulic fluid that possibly can spill.
(3) Cut the lockwire between the hydraulic filter bowl (2) and the hydraulic filter assembly.
(4) Use a wrench on the filter bowl (2) nut on the bottom of the bowl and turn the filter bowl (2) counterclockwise until you remove filter bowl (2).
(5) Drain the hydraulic fluid from the filter bowl (2) into the CONTAINER 5 L (1.32 USGAL) as necessary.
(6) Remove and discard the used filter cartridge (1).
(7) Clean the hydraulic filter bowl (2) internally and externally with the clean lint-free cotton cloth (Material No.PU1-0001) .

NOTE: Be careful when you clean the hydraulic fluid from the internal part of the hydraulic filter bowl (2).

Subtask 29-13-43-710-060-A ** ON A/C NOT FOR ALL

B. Operational Test
(1) Do an operational test of the Yellow hydraulic system (Ref. AMM TASK 29-13-00-710-002).
(2) After the dry motoring, make sure that there were no leak from the hydraulic filter assembly.

5. Close-up
Subtask 29-13-43-942-059-A ** ON A/C NOT FOR ALL

A. Safety Precautions
(1) Remove the container.
(2) Make sure that the work area is clean and clear of tools and other items.
(3) Remove the WARNING NOTICE(S).

Subtask 29-13-43-410-062-A ** ON A/C NOT FOR ALL

B. Close Access
(1) Close the fan cowl doors (Ref. AMM TASK 71-13-00-410-802).
(a) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL 448AR
(2) Close access doors 198CB and 195BB.
(3) Remove the access platform(s).

[Rev.10 from 2021] 2026.04.01 04:44:03 UTC