Servicing of the Engine-Pump Case-Drain Filter

TASK 29-11-43-610-803-A
Servicing of the Engine-Pump Case-Drain Filter

WARNING: OBEY THE HYDRAULIC SAFETY PROCEDURES.

WARNING: DO NOT TOUCH THE HYDRAULIC SYSTEM COMPONENTS FOR A SHORT TIME AFTER THE ENGINE IS SHUTDOWN. THE ENGINE COMPONENTS STAY HOT FOR SOME TIME AND CAN CAUSE INJURY.

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

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

ZONE: 435
FIN: 1084GM

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	WARNING NOTICE(S)
No specific	AR	WRENCH - STANDARD

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.02ABA1)	Phosphate Ester Hydraulic Fluid-General Power - -
(Material No.14QFB1)	Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
435	FAN AND ACCESSORY GEARBOX
195BB, 197CB
FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL, 438AR

D. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
2	CARTRIDGE	AIPC 29-11-43-50-030

E. Referenced Information

REFERENCE	DESIGNATION
TASK 29-10-00-864-001-A	Depressurize the Green Hydraulic System
TASK 29-11-00-710-001-A	Operational Test of the Green Hydraulic System
TASK 29-11-43-200-803-A	Visual Check of the Engine-Pump Case-Drain-Filter Contamination (Pop-Out) Indicator
TASK 29-14-00-614-001-A	Depressurization of the Hydraulic Reservoirs
TASK 71-13-00-010-803-A	Opening of the Fan Cowl Doors
TASK 71-13-00-410-803-A	Closing of the Fan Cowl Doors
Engine-Pump Case-Drain Filter

3. Job Set-up
Subtask 29-11-43-860-079-A

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

Subtask 29-11-43-941-083-A

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

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

(2) Open access door 197CB.
(a) On the ground service panel, put WARNING NOTICE(S) in position to tell persons not to pressurize the Green hydraulic system.
(3) On the HYD section of panel 40VU:
(a) Put WARNING NOTICE(S) in position to tell persons not to pressurize the Green hydraulic system.
(4) Open access door 195BB.
(a) Put WARNING NOTICE(S) in position to tell persons not to pressurize the reservoir of the Green hydraulic system.
(5) On the center pedestal, on ENG panel 115VU:

Make sure that the ENG/MODE selector switch is in the NORM position.
Make sure that the ENG/MASTER 1(2) control switch was in the OFF position not less than five minutes before you do this procedure.
Put WARNING NOTICE(S) in position to tell persons not to operate the ENG/MODE selector switch and the ENG/MASTER 1(2) control switch.

(6) On the ENG section of maintenance panel 50VU:

Make sure that the ON legend of the FADEC GND PWR/1(2) pushbutton switch is off.
Put a WARNING NOTICE(S) in position to tell persons not to energize FADEC 1(2).

Subtask 29-11-43-010-074-A

C. Get Access
(1) Open the fan cowl doors (Ref. AMM TASK 71-13-00-010-803):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL 438AR
(2) Put an ACCESS PLATFORM 1M (3 FT)-ADJUSTABLE in position at the engine.

4. Procedure
Subtask 29-11-43-610-051-B

A. Servicing of the Engine-Pump Case-Drain Filter
(1) Put a CONTAINER 5 L (1.32 USGAL) below the engine-pump case drain filter (1).
(2) Removal of the cartridge

WARNING: USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.

(a) Cut, remove and discard the lockwire from the filter bowl (3) and the engine-pump case drain filter (1).
(b) Put a WRENCH - STANDARD to the nut on the bottom of the filter bowl (3) and turn the filter bowl (3) counterclockwise until you remove it.
(c) Remove the cartridge (2).
(d) Drain the hydraulic fluid from the filter bowl (3) into the container.
(e) Do a visual check of the pop-out indicator and of the cartridge (Ref. AMM TASK 29-11-43-200-803).
(f) Discard the cartridge (2).
(g) Clean the filter bowl (3) internally and externally with a clean Textile-Lint free Cotton - (Material No.14SBA1) .
(3) Installation of the cartridge
(a) Apply the fluid:

CAUTION: DO NOT USE HIGH-DENSITY FLUID SKYDROL 500B-4 FOR A320NEO FAMILY. THE FLUID CAN CAUSE DAMAGE TO THE HYDRAULIC SYSTEM COMPONENTS.

1 Apply Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) on the O-ring (4) of the new cartridge (2) and on the threads of the filter bowl (3).

NOTE: The O-ring (4) is a part of the cartridge (2).

(b) Put a new AIPC 29-11-43-50-030 CARTRIDGE (2) into the filter bowl (3).

NOTE: If you install the alternative cartridge P/N CH0184101362C01, it is necessary to install an O-ring (4) P/N NAS1613-214 before you install the cartridge.

CAUTION: DO NOT USE A WRENCH TO TIGHTEN THE FILTER CASE. TIGHTEN IT WITH YOUR HAND ONLY. IF YOU USE A WRENCH YOU CAN CAUSE DAMAGE.

1 Install the filter bowl (3) with the cartridge (2) in the engine-pump case-drain filter (1) and turn the filter bowl (3) clockwise with your hand until it is fully engaged.
(d) Safetying of the filter bowl

1 Safety the filter bowl (3) to the engine-pump case-drain filter (1) with 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.

Subtask 29-11-43-710-067-A

B. Operational Test
(1) Do an operational test of the Green hydraulic system (Ref. AMM TASK 29-11-00-710-001).
(2) After the dry motoring, make sure that there were no leak from the engine-pump case-drain filter.

5. Close-up
Subtask 29-11-43-942-065-A

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 29-11-43-410-072-A

B. Close Access
(1) Close the fan cowl doors (Ref. AMM TASK 71-13-00-410-803):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL 438AR
(2) Close access doors 197CB and 195BB.
(3) Remove the access platform(s).

[Rev.10 from 2021] 2026.04.01 00:16:02 UTC