Servicing of the Engine-Pump Case-Drain Filter

TASK 29-13-43-610-010-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.

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.

1. Reason for the Job
This task gives the data to do the servicing of the engine-pump case-drain filter.

If you find the red indicator out during the work or the servicing, replace the filter element.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
No specific	AR	CONTAINER 5 L (1.32 USGAL)
No specific	AR	WARNING NOTICE(S)

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.02ABA1)	Phosphate Ester Hydraulic Fluid-General Power - -
No specific	V02-146

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
195BB
FOR [1000EM2] (ENGINE-2)
447AL, 448AR

D. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
2	CARTRIDGE	AIPC 29-13-43-02-030

E. Referenced Information

REFERENCE	DESIGNATION
TASK 12-12-29-611-001-A	Fill the Hydraulic Fluid Reservoir with a Hand Pump
TASK 29-00-00-280-006-A	Check of the Green or Yellow Hydraulic System after Engine Pump Failure or Operation in a Possible Cavitation Condition - with Ground Cart Available
TASK 29-00-00-280-006-A-01	Check of the Green or Yellow Hydraulic System after Engine Pump Failure or Operation in a Possible Cavitation Condition - Ground Cart not Available
TASK 29-10-00-863-002-A	Pressurize the Yellow Hydraulic System with a Hydraulic Ground Power-Cart
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 70-40-11-911-010-A	Installation of the Tab-type Key Washers
TASK 70-40-11-911-012-A	General Instructions for the Uses of Lockwire
Engine-Pump Case-Drain Filter
FOR [1000EM2] (ENGINE-2)
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)

3. Job Set-up
Subtask 29-13-43-860-050-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Depressurize the Yellow hydraulic system (Ref. AMM TASK 29-10-00-864-002).
(2) Depressurize the Yellow hydraulic reservoir (Ref. AMM TASK 29-14-00-614-001).
(3) Put WARNING NOTICE(S) in position to tell persons not to pressurize the Yellow hydraulic system:

on the ground service panel 198CB.

(4) Put WARNING NOTICE(S) on the access door 195BB to tell persons not to pressurize the Yellow hydraulic reservoir.

Subtask 29-13-43-941-051-A ** ON A/C NOT FOR ALL

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

put WARNING NOTICE(S) 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) Put WARNING NOTICE(S) in position to tell persons not to pressurize the Yellow 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) Put WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).
(6) Put a CONTAINER 5 L (1.32 USGAL) below the bowl (3).

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

Subtask 29-13-43-010-051-A ** ON A/C NOT FOR ALL

C. Get Access
(1) Open the left fan cowl doors
(a) FOR [1000EM2] (ENGINE-2)
447AL 448AR (Ref. AMM TASK 71-13-00-010-010)
(2) Open the access door 195BB.
(3) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position at the engine.

4. Procedure
Subtask 29-13-43-611-050-A ** ON A/C NOT FOR ALL

A. Servicing of the Engine-Pump Case Drain Filter
(1) Remove the cartridge:
(a) Remove the lockwire from the bowl (3) and the head (1).
(b) Remove the bowl (3) and the cartridge (2) from the head (1).
(c) Discard the cartridge (2).
(2) Examine the filter element in order to find the causes of contamination.
If you find metal particles in the filter element you must check the associated hydraulic system after operation in the engine pump in possible cavitation condition. (Ref. AMM TASK 29-00-00-280-006)
(3) Install the cartridge:
(a) Apply Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) on the threads of the bowl (3).
(b) Put the new AIPC 29-13-43-02-030 CARTRIDGE (2) into the bowl (3).
(c) Install the bowl:

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 bowl (3) in the head (1).
(d) Safety the bowl with V02-146 (Ref. AMM TASK 70-40-11-911-012).
(e) Examine the filter clogging indicator. If the red clogging indicator has come out, push it to set it again.

Subtask 29-13-43-710-051-A ** ON A/C NOT FOR ALL

B. Operational Test
(1) Pressurize the Yellow hydraulic system (Ref. AMM TASK 29-10-00-863-002).
(2) Do an operational test of the yellow hydraulic system (Ref. AMM TASK 29-13-00-710-002).
(3) During the dry motoring of the engine 2 make sure that:

there are no leaks from the case drain filter,
the clogging indicator of the filter is not out.

(4) Stop the dry motoring of the engine 2.
(5) Safety the bowl (5) with V02-146 (Ref. AMM TASK 70-40-11-911-010).
(6) Make sure that the level of the hydraulic fluid in the Yellow reservoir is correct. If necessary, fill the reservoir (Ref. AMM TASK 12-12-29-611-001).

5. Close-up
Subtask 29-13-43-410-051-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Remove the WARNING NOTICE(S).
(2) Remove the access platform(s).
(3) Make sure that the work area is clean and clear of tools and other items.
(4) Close the fan cowl doors
(a) FOR [1000EM2] (ENGINE-2)
447AL 448AR (Ref. AMM TASK 71-13-00-410-010)
(5) Close the door 195BB.

[Rev.10 from 2021] 2026.04.01 04:44:01 UTC