Installation of the Yellow Engine Pump

TASK 29-13-51-400-003-A
Installation of the Yellow Engine Pump

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: 440
FIN: 3030GD ** 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 2M (6 FT) - ADJUSTABLE
No specific	AR	CONTAINER 5 L (1.32 USGAL)
No specific	2	PLIERS - CONNECTOR, JAW, SOFT
No specific	AR	WARNING NOTICE(S)
No specific	1	WRENCH - TORQUE
No specific	2	WRENCH GLENAIR TG70 - STRAP
No specific	Torque wrench: range to between 245 and 215 lbf.in (2.77 and 2.43 m.daN )
No specific	Torque wrench: range to between 320 and 260 lbf.in (3.62 and 2.94 m.daN )
No specific	Torque wrench: range to between 290 and 270 lbf.in (3.28 and 3.05 m.daN )
No specific	Torque wrench: range to between 900 and 800 lbf.in (10.17 and 9.04 m.daN )
No specific	Torque wrench: range to between 945 and 855 lbf.in (10.68 and 9.66 m.daN )
No specific	Torque wrench: range to between 940 and 860 lbf.in (10.62 and 9.72 m.daN )
No specific	Torque wrench: range to between 1000 and 900 lbf.in (11.30 and 10.17 m.daN )
No specific	Torque wrench: range to between 1450 and 1350 lbf.in (16.39 and 15.26 m.daN )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.02ABA1)	Phosphate Ester Hydraulic Fluid-General Power - -
(Material No.03ABA1)	Synthetic base Lubricating Oil-Turbine Engine - -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
440	ENG 2 AIR INTAKE, FAN AND ACCESS GEARBOX
195BB, 195CB
FOR [1000EM2] (ENGINE-2)
447AL

D. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
50	PACKING	AIPC 29-13-51-01-040
25	NUT	AIPC 29-13-51-02-010
30	GASKET	AIPC 29-13-51-02-020
45	PACKING	AIPC 29-13-51-02-040
40	PACKING	AIPC 29-13-51-02-060
35	BACK-UP RING	AIPC 29-13-51-02-071
55	PACKING	AIPC 29-13-51-02-073

E. Referenced Information

REFERENCE	DESIGNATION
TASK 12-12-29-611-001-A	Fill the Hydraulic Fluid Reservoir with a Hand Pump
TASK 24-41-00-861-002-A	Energize the Aircraft Electrical Circuits from the External Power
TASK 24-41-00-861-002-A-01	Energize the Aircraft Electrical Circuits from the APU
TASK 24-41-00-861-002-A-02	Energize the Aircraft Electrical Circuits from Engine 1(2)
TASK 24-41-00-862-002-A	De-energize the Aircraft Electrical Circuits Supplied from the External Power
TASK 24-41-00-862-002-A-01	De-energize the Aircraft Electrical Circuits Supplied from the APU
TASK 24-41-00-862-002-A-02	De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2)
TASK 29-10-00-720-001-A	Functional Check of Hydraulic Fire Shut-Off Valves
TASK 29-13-51-860-001-A	Hydraulic Maintenance Procedure after an Engine Installation (with Engine Pump Installed) or after an Engine Pump Installation
TASK 29-14-00-614-001-A	Depressurization of the Hydraulic Reservoirs
TASK 29-24-00-864-001-A	Depressurize the Yellow Hydraulic System
TASK 71-13-00-010-040-A	Opening of the Fan Cowl Doors
TASK 71-13-00-410-040-A	Closing of the Fan Cowl Doors
Yellow Engine Pump (Vickers)
Yellow Engine Pump (Abex)

3. Job Set-up
Subtask 29-13-51-860-053-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Make sure that electrical circuits are energized (Ref. AMM TASK 24-41-00-861-002).
(2) Make sure that the Yellow hydraulic system is depressurized (Ref. AMM TASK 29-24-00-864-001).
(3) Make sure that the Yellow hydraulic reservoir is depressurized (Ref. AMM TASK 29-14-00-614-001).
(4) Make sure that the WARNING NOTICE(S) is (are) in position to tell persons not to pressurize the Yellow hydraulic system:

on the ground service panel 195CB.

(5) Make sure that the WARNING NOTICE(S) is (are) in position on the access door 195BB to tell persons not to pressurize the Yellow hydraulic reservoir.
(6) Make sure that an ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE is in position at the engine.
(7) Make sure that the left fan cowl door is open (Ref. AMM TASK 71-13-00-010-040).
(8) On the ECAM control panel:

Make sure that the HYD key is pushed.

(9) On the overhead panel 20VU:

Make sure that the ENG2/FIRE pushbutton is released.

(10) On the SD:

Make sure that the fire shut-off valve (3046GD) is closed.

Subtask 29-13-51-941-053-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 Yellow hydraulic system:

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

(4) On the maintenance panel 50VU:

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

(5) Make sure that a CONTAINER 5 L (1.32 USGAL) is below the Yellow engine pump to collect the remaining fluid.

Subtask 29-13-51-865-054-A ** ON A/C NOT FOR ALL

C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	HYDRAULIC/Y HYD/PUMP ENG2/MONG	3700GD	Q37
121VU	HYDRAULIC/Y HYD/PUMP ENG2/CTL	3701GD	Q36

4. Procedure
Subtask 29-13-51-420-052-B ** ON A/C NOT FOR ALL

A. Preparation before the Installation
(1) Apply Synthetic base Lubricating Oil-Turbine Engine - - (Material No.03ABA1) on the new AIPC 29-13-51-01-040 PACKING (50).

CAUTION: MAKE SURE THAT THE PACKING IS IN THE CORRECT LOCATION ON THE SPLINE SHAFT. IF THE PACKING IS NOT IN THE SQUARE SECTION GROOVE, THERE IS A RISK OF OIL LEAKAGE.

CAUTION: WHEN YOU HANDLE THE COUPLING SHAFT PACKING, MAKE SURE THAT YOU DO NOT PUT IT IN CONTACT WITH THE ALKYL PHOSPHATE ESTER BASE FLUIDS USED IN THE PUMP. IF THE PACKING COMES IN CONTACT WITH THE ALKYL PHOSPHATE ESTER BASE FLUIDS, THIS WILL DECREASE ITS SERVICE LIFE TIME.

(2) Install packing (50) in the square section groove on the input splined shaft of the pump (5).

(3) Remove the blanking covers from:

The threads that attach the unions (10), (15) and the reducer (20) to the pump (5).
The pump (5).

(4) Apply Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) on the new AIPC 29-13-51-02-071 BACK-UP RING (35) and the new AIPC 29-13-51-02-060 PACKING (40), AIPC 29-13-51-02-040 PACKING (45) and AIPC 29-13-51-02-073 PACKING (55).

Subtask 29-13-51-420-053-A ** ON A/C NOT FOR ALL

B. Installation of the Yellow Engine Pump
(1) Install the AIPC 29-13-51-02-071 BACK-UP RING (35) and the AIPC 29-13-51-02-073 PACKING (55) on the reducer (20).

CAUTION: BE CAREFUL WHEN YOU INSTALL/CONNECT PARTS ON THE PUMP TO MAKE SURE THAT THE HYDRAULIC FLUID DOES NOT FLOW OUT. THE PUMP IS FULL OF HYDRAULIC FLUID.

(2) Install the reducer (20) in the pump (5) pressure port.
(3) TORQUE the reducer (20) to between 1450 and 1350 lbf.in (16.39 and 15.26 m.daN )

.
(4) Install the AIPC 29-13-51-02-040 PACKING (45) on the union (15).
(5) Install the union (15) in the pump (5) case drain port.
(6) TORQUE the union (15) to between 290 and 270 lbf.in (3.28 and 3.05 m.daN )

.
(7) Install the AIPC 29-13-51-02-060 PACKING (40) on the union (10).
(8) Install the union (10) in the pump (5) suction port.
(9) TORQUE the union (10) to between 940 and 860 lbf.in (10.62 and 9.72 m.daN )

.
(10) Install the new AIPC 29-13-51-02-020 GASKET (30) on the pump mount pad.
(11) Install the new mount AIPC 29-13-51-02-010 NUT (25), loosely, on the four studs in the pump mount pad.
(12) Put the pump (5) on the mount pad with the nuts (25) through the large end of the holes in the pump base.
(13) Rotate the pump (5) counterclockwise until it contacts the studs.
(14) Do a running torque check of the nuts (25) with a torque wrench.
(a) Install new nuts (25) on the studs of the mount pad and turn the nuts until resistance is felt.
(b) Check tightening nuts

CAUTION: DISCARD THE NUT(S) IF YOU CAN TURN THEM BY HAND WITH NO RESISTANCE.

1 Set the torque wrench to 9.5 lbf.in (0.11 m.daN) and turn each nut in the tightening direction. The nut(s) must not turn before the set torque value.
(c) If the nut(s) turn before you get 9.5 lbf.in (0.11 m.daN) torque, replace the nut(s) and do 4.B.(14) again for each replacement nut.
(d) If the nut(s) pass the running torque check, do not remove the nut(s) from the stud(s) and do step 4.B.(15).
(15) TORQUE the nuts (25) to between 320 and 260 lbf.in (3.62 and 2.94 m.daN )

.
(16) Remove the blanking covers from the hose couplings,the pump unions (10), (15) and the reducer (20).

Subtask 29-13-51-420-054-A ** ON A/C NOT FOR ALL

C. Connection of the Vickers Case Drain/Suction/Pressure Hose

CAUTION: BE CAREFUL WHEN YOU INSTALL/CONNECT PARTS ON THE PUMP TO MAKE SURE THAT THE HYDRAULIC FLUID DOES NOT FLOW OUT. THE PUMP IS FULL OF HYDRAULIC FLUID.

(1) Connect the case drain hose to the union (15) in the pump (5) case drain port.
(2) TORQUE the case drain hose coupling nut to between 245 and 215 lbf.in (2.77 and 2.43 m.daN )

NOTE: Use a second WRENCH - TORQUE to hold the union (15) when you torque the case drain hose coupling nut.

(3) Connect the adapter (70) to the union (10) in the pump (5) suction port.
(4) Connect the suction hose to the adapter (70).
(5) TORQUE the coupling nut of the suction hose to the adapter (70) to between 900 and 800 lbf.in (10.17 and 9.04 m.daN )

.
(6) TORQUE the coupling nut of the adapter (70) to the union (10) to between 900 and 800 lbf.in (10.17 and 9.04 m.daN )

NOTE: Use a second wrench to hold the union (10) when you torque the adapter (70) coupling nut.

(7) Connect the pressure hose to the reducer (20) in the pump (5) pressure port.
(8) TORQUE the pressure hose coupling nut to between 1000 and 900 lbf.in (11.30 and 10.17 m.daN )

NOTE: Use a second wrench to hold the reducer (20) when you torque the pressure hose coupling nut.

(9) Remove the blanking cap from the electrical connector (3030GDA).
(10) Connect the electrical connector (3030GDA) to the pump (5).
(a) Make sure the electrical connector is clean and in satisfactory condition.
(b) Align the master-key (largest key) on the connector with the master-key in the receptacle.
(c) Use light hand pressure and push the connector in the receptacle. Turn the coupling nut clockwise to engage the connector threads.
(d) Tighten the connection.

CAUTION: YOU MUST NOT STOP AT THE COLORED COUPLING INDICATOR LINE ON THE RECEPTACLE WHEN YOU TIGHTEN THE CONNECTOR. IF YOU STOP AT THE COLORED LINE THE CONNECTION WILL NOT BE TIGHT. THIS CAN CAUSE MECHANICAL AND/OR ELECTRICAL FAILURE.

1 With the threads correctly engaged, continue to turn the coupling nut clockwise with your hand until the connection is tight. Make sure that you cannot see the colored coupling indicator line on the receptacle when the connection is fully tight.

Yellow Engine Pump (Vickers) ** ON A/C NOT FOR ALL

NOTE: If you move the connector from side to side when you turn the coupling nut it will make it easier to tighten.

(e) Use PLIERS - CONNECTOR, JAW, SOFT.

CAUTION: YOU MUST NOT USE PLIERS WITH METAL JAWS TO TIGHTEN OR LOOSEN THE CONNECTOR. THE METAL JAWS WILL CAUSE DAMAGE TO THE CONNECTOR.

1 Turn the connector ring from one eighth to a quarter of a turn with PLIERS - CONNECTOR, JAW, SOFT or WRENCH GLENAIR TG70 - STRAP to make sure that the connector is tight. Stop before the pliers or strap wrench slip on the connector ring.

Subtask 29-13-51-420-068-A ** ON A/C NOT FOR ALL

D. Connection of the Abex Case Drain/Suction/Pressure Hose

CAUTION: BE CAREFUL WHEN YOU INSTALL/CONNECT PARTS ON THE PUMP TO MAKE SURE THAT THE HYDRAULIC FLUID DOES NOT FLOW OUT. THE PUMP IS FULL OF HYDRAULIC FLUID.

(1) Connect the case drain hose to the union (15) in the pump (5) case drain port.
(2) TORQUE the case-drain hose coupling-nut to between 245 and 215 lbf.in (2.77 and 2.43 m.daN )

NOTE: You can use a second WRENCH - TORQUE to hold the union (15) when you torque the case-drain hose coupling-nut.

(3) Connect the adapter (70) to the union (10) in the pump (5) suction port.
(4) Connect the suction hose to the adapter (70).
(5) TORQUE the coupling nut of the suction hose on the adapter (70) to between 900 and 800 lbf.in (10.17 and 9.04 m.daN )

.
(6) TORQUE the coupling nut of the adapter (70) on the union (10) to between 900 and 800 lbf.in (10.17 and 9.04 m.daN )

NOTE: You can use a second WRENCH - TORQUE to hold the union (10) when you torque the adapter (70) coupling nut.

(7) Connect the pressure hose to the reducer (20) in the pump (5) pressure port.
(8) TORQUE the pressure hose coupling-nut to between 945 and 855 lbf.in (10.68 and 9.66 m.daN )

NOTE: You can use a second WRENCH - TORQUE to hold the reducer (20) when you torque the pressure hose coupling-nut.

(9) Remove the blanking cap from the electrical connector (3030GD-A).
(10) Connect the electrical connector (3030GD-A) to the pump (5).
(a) Make sure that the electrical connector is clean and in satisfactory condition.
(b) Align the master-key (largest key) on the connector with the master-key in the receptacle.
(c) Use light hand pressure and push the connector in the receptacle. Turn the coupling nut clockwise to engage the connector threads.
(d) Tighten the connection as follows:
1 With the threads correctly engaged, continue to turn the coupling nut clockwise with your hand until the connection is tight.

2 Make sure that you cannot see the color indicator line of the coupling on the receptacle when the connection is fully tight.

NOTE: If you move the connector from side to side when you turn the coupling nut, it will make it easier to tighten it.

(e) Use the PLIERS - CONNECTOR, JAW, SOFT as follows:

CAUTION: YOU MUST NOT USE PLIERS WITH METAL JAWS TO TIGHTEN OR LOOSEN THE CONNECTOR. THE METAL JAWS WILL CAUSE DAMAGE TO THE CONNECTOR.

1 Turn the connector ring from one eighth to a quarter of a turn with the PLIERS - CONNECTOR, JAW, SOFT or the WRENCH GLENAIR TG70 - STRAP to make sure that the connector is tight. Stop before the pliers or strap wrench slips on the connector ring.

Subtask 29-13-51-865-055-A ** ON A/C NOT FOR ALL

E. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	HYDRAULIC/Y HYD/PUMP ENG2/MONG	3700GD	Q37
121VU	HYDRAULIC/Y HYD/PUMP ENG2/CTL	3701GD	Q36

Subtask 29-13-51-860-061-A ** ON A/C NOT FOR ALL

F. Do the hydraulic maintenance procedure after an engine pump installation (Ref. AMM TASK 29-13-51-860-001).

5. Close-up
Subtask 29-13-51-860-073-A ** ON A/C NOT FOR ALL

A. Put the aircraft back to its initial configuration.
(1) On the ECAM control panel, push the HYD key:

On the SD, the HYD page comes into view.

(2) On the overhead panel 20VU:

Push the ENG2/FIRE pushbutton switch.

(3) On the SD:

Make sure that the fire shut-off valve (3046GD) is opened.

(4) Do a functional test of the engine pump fire-valve (Ref. AMM TASK 29-10-00-720-001).

Subtask 29-13-51-410-051-A ** ON A/C NOT FOR ALL

B. Put the aircraft back to its initial configuration.
(1) Make sure that the clogging indicator of the Yellow engine pump case drain filter is not extended.
(2) Make sure that the clogging indicator of the Yellow HP filter is not extended.
(3) Make sure that the level of fluid in the Yellow hydraulic reservoir is correct. If necessary, fill the reservoir (Ref. AMM TASK 12-12-29-611-001).
(4) Remove the container.
(5) Remove the warning notice(s).
(6) Remove the access platform(s).
(7) Make sure that the work area is clean and clear of tool(s) and other items.
(8) Close the left fan cowl door (Ref. AMM TASK 71-13-00-410-040):
(a) FOR [1000EM2] (ENGINE-2)
close the door 447AL.
(9) Close the door 195BB.

Subtask 29-13-51-862-050-A ** ON A/C NOT FOR ALL

C. De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).

[Rev.10 from 2021] 2026.04.01 07:52:40 UTC