Installation of the Engine-Pump Case-Drain Filter

TASK 29-11-43-400-010-A
Installation of the Engine-Pump Case-Drain Filter

WARNING: DO NOT GET HYDRAULIC FLUID ON YOUR SKIN, IN YOUR EYES OR IN YOUR MOUTH. HYDRAULIC FLUID IS POISONOUS AND CAN GO THROUGH YOUR SKIN AND INTO YOUR BODY. FLUSH HYDRAULIC FLUID FROM YOUR EYES, MOUTH OR SKIN WITH WATER. GET MEDICAL AID IF YOU GET HYDRAULIC FLUID IN YOUR EYES OR MOUTH.

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.

FIN: 1084GM ** 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	ACCESS PLATFORM 1M (3 FT)-ADJUSTABLE
No specific	AR	CONTAINER 5 L (1.32 USGAL)
No specific	AR	COVER - BLANKING
No specific	AR	WARNING NOTICE(S)
No specific	Torque wrench: range to between 44 and 36 lbf.in (0.50 and 0.41 m.daN )
No specific	Torque wrench: range to between 110 and 90 lbf.in (1.24 and 1.02 m.daN )
No specific	Torque wrench: range to between 165 and 155 lbf.in (1.86 and 1.75 m.daN )
No specific	Torque wrench: range to between 245 and 215 lbf.in (2.77 and 2.43 m.daN )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.V01-002)	cleaning fluid
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
1	SEALS	AIPC 29-11-43-81-090
4	SEALS	AIPC 29-11-43-81-090

D. 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 29-11-43-000-010-A	Removal of the Engine-Pump Case-Drain Filter
TASK 29-14-00-614-001-A	Depressurization of the Hydraulic Reservoirs
TASK 70-23-11-911-013-A	General Torque Tightening Techniques
TASK 70-23-13-911-010-A	Procedures for the Installation of Preformed Packings
TASK 71-13-00-410-010-A	Closing of the Fan Cowls 437AL(447AL),438AR(448AR)
Engine-Pump Case-Drain Filter

3. Job Set-up
Subtask 29-11-43-860-051-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Make sure that the Green hydraulic system is depressurized (Ref. AMM TASK 29-10-00-864-001).
(2) Make sure that the Green hydraulic reservoir is depressurized (Ref. AMM TASK 29-14-00-614-001).
(3) Make sure that the WARNING NOTICE(S) is (are) in position to tell persons not to pressurize the Green hydraulic system:

on the ground service panel 197CB.

(4) Make sure that the WARNING NOTICE(S) is (are) in position on the access door 195BB to tell persons not to pressurize the Green hydraulic reservoir.
(5) Make sure that the ACCESS PLATFORM 1M (3 FT)-ADJUSTABLE is in position at the engine.
(6) Make sure that the fan-cowl doors 437AL/438AR are open.

Subtask 29-11-43-941-052-A ** ON A/C NOT FOR ALL

B. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:

make sure that the WARNING NOTICE(S) is (are) in position to tell persons not to start the engine.

(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) Make sure that the WARNING NOTICE(S) is (are) in position to tell persons not to pressurize the Green hydraulic system:

in the cockpit, on the HYD section of the overhead panel 40VU.

(4) On the overhead maintenance panel 50VU:

make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.

(5) Make sure that the WARNING NOTICE(S) is (are) in position to tell persons not to energize the FADEC 1(2).
(6) Make sure that a CONTAINER 5 L (1.32 USGAL) is below the case drain filter.

4. Procedure
Subtask 29-11-43-110-050-A ** ON A/C NOT FOR ALL

A. Clean the parts
(1) Remove the COVER - BLANKING from all the openings.
(2) Use a clean Textile-Lint free Cotton - (Material No.14SBA1) , made moist with the cleaning fluid (Material No.V01-002) to clean the replacement parts and their interfaces.
(3) Use a clean, dry lint-free cloth to remove the dirty cleaning fluid from the parts while they are wet.
(4) Examine the replacement parts and their interfaces. Make sure that they have no damage.

Subtask 29-11-43-420-052-A ** ON A/C NOT FOR ALL

B. Transferable Parts Installation
(1) Install the seals and the unions onto the filter in the positions noted during removal (Ref. AMM TASK 29-11-43-000-010).

Engine-Pump Case-Drain Filter ** ON A/C NOT FOR ALL

(2) Lubricate the AIPC 29-11-43-81-090 SEALS (1) and AIPC 29-11-43-81-090 SEALS (4) and the threads of the unions (2) and (5) with clean hydraulic fluid.
(3) Install the seal (1) to the union (2) and the seal (4) to the union (5) (Ref. AMM TASK 70-23-13-911-010).
(4) Install the unions (2) and (5) on to the case drain filter (10).
(5) TORQUE the unions (2) and (5) to between 165 and 155 lbf.in (1.86 and 1.75 m.daN )

(Ref. AMM TASK 70-23-11-911-013).

Subtask 29-11-43-420-050-A ** ON A/C NOT FOR ALL

C. Install the Case Drain Filter:

Engine-Pump Case-Drain Filter ** ON A/C NOT FOR ALL

(1) Put the case drain filter (10) on the bracket (11) in the position noted during removal (Ref. AMM TASK 29-11-43-000-010).
(2) Attach the case drain filter (10) to the bracket (11) with the two bolts (9).
(3) Put the bracket (8) on the case drain filter (10) in the position noted during removal (Ref. AMM TASK 29-11-43-000-010).
(4) Attach the bracket (8) and the case drain filter (10) to the bracket (11) with the two bolts (7).
(5) TORQUE the bolts (7) and (9) to between 110 and 90 lbf.in (1.24 and 1.02 m.daN )

(Ref. AMM TASK 70-23-11-911-013).
(6) Connect the connector nut (3) to the union (2).
(7) Hold the union (2) with an applicable wrench and TORQUE the connector nut (3) to between 245 and 215 lbf.in (2.77 and 2.43 m.daN )

(Ref. AMM TASK 70-23-11-911-013).
(8) Connect the connector nut (6) to the union (5).
(9) Hold the union (5) with an applicable wrench and TORQUE the connector nut (6) to between 245 and 215 lbf.in (2.77 and 2.43 m.daN )

(Ref. AMM TASK 70-23-11-911-013).
(10) Attach the clip (13) to the bracket (11) with the bolt (12).
(11) TORQUE the bolt (12) to between 44 and 36 lbf.in (0.50 and 0.41 m.daN )

(Ref. AMM TASK 70-23-11-911-013).

Subtask 29-11-43-710-050-A ** ON A/C NOT FOR ALL

D. Operational Test
(1) Do an operational test of the Green hydraulic system (Ref. AMM TASK 29-11-00-710-001).
(2) During the dry motoring of the Engine1, make sure that :
- there no leaks from the case drain filter,
- the clogging indicator of the filter is not extended.

5. Close-up
Subtask 29-11-43-942-050-A ** ON A/C NOT FOR ALL

A. Remove the safety precautions
(1) Remove the warning notice(s).
(2) Remove the container.
(3) Make sure that the work area is clean and clear of tools and other items.

Subtask 29-11-43-410-050-A ** ON A/C NOT FOR ALL

B. Close Access
(1) Close the fan-cowls doors (Ref. AMM TASK 71-13-00-410-010)
For 1000 EM1 437AL, 438AR.
(2) Remove the access platform(s).

[Rev.10 from 2021] 2026.04.01 07:53:54 UTC