DOC AIRBUS | AMM A320FInstallation of the Integrated Fuel Pump and Control (IFPC) [PW11]
TASK 73-11-01-400-801-A
Installation of the Integrated Fuel Pump and Control (IFPC)
Use this procedure to install the Integrated Fuel Pump and Control (IFPC).
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Expendable Parts
E. Referenced Information
3. Job Set-up
Subtask 73-11-01-941-051-A ** ON A/C NOT FOR ALL
Subtask 73-11-01-400-051-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 13:03:28 UTC
Installation of the Integrated Fuel Pump and Control (IFPC)
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:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
NOTE: IFPC weighs 63 lb (29 Kg)
1. Reason for the JobUse this procedure to install the Integrated Fuel Pump and Control (IFPC).
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | COVER - PROTECTION |
| No specific | 1 | PLIERS - JAWED, SOFT |
| No specific | Torque wrench: range to between 44 and 38 lbf.in (0.50 and 0.43 m.daN )  | |
| No specific | Torque wrench: range to between 70 and 55 lbf.in (0.79 and 0.62 m.daN ) | |
| No specific | Torque wrench: range to between 95 and 78 lbf.in (1.07 and 0.88 m.daN ) | |
| No specific | Torque wrench: range to between 200 and 180 lbf.in (2.26 and 2.03 m.daN ) | |
| PWA211313 | 1 | FIXTURE, INSTALLATION |
| PWA211441 | 1 | HANDLE, WORK |
| PWA211773 | 1 | PULLER, SLIDE MAIN |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.P03-001) | lubricant, aircraft turbine engine |
| (Material No.P06-043) | anti−seize |
| (Material No.P06-054) | anti−seize paste |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 400 | POWER PLANT, NACELLES AND PYLONS |
| FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1) | |
| 437AL, 438AR, 452AR | |
| FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2) | |
| 447AL, 448AR, 462AR | |
| FIG.ITEM | DESIGNATION | IPC-CSN |
|---|---|---|
| 14 | PACKING | EIPC 72-61-01-02-290 |
| 25 | FACE SEAL | EIPC 73-11-01-01-080 |
| 24 | PACKING | EIPC 73-11-01-01-090 |
| 35 | FACE SEAL | AIPC 73-11-86-01-100 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 29-11-46-000-803-A | Removal of the Hydraulic Inline Damper |
| TASK 29-11-46-400-803-A | Installation of the Hydraulic Inline Damper |
| TASK 29-13-46-000-803-A | Removal of the Hydraulic Inline Damper |
| TASK 29-13-46-400-803-A | Installation of the Hydraulic Inline Damper |
| TASK 31-60-00-860-001-A | EIS Start Procedure |
| TASK 31-60-00-860-002-A | EIS Stop Procedure |
| TASK 71-00-00-720-811-A | Test No. 3A - Idle Power Test |
| TASK 71-00-00-860-832-A | Procedure to Prevent Engine Motoring and to Stop the Electrical Supply to the EEC |
| 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 73-21-00-710-807-A | Test No.6 - EEC Operation Test (Idle Test) |
| TASK 73-21-00-710-809-A | Test No.15 - Operation Test (Dry Motor) of the FADEC System Engine Actuators |
| TASK 73-25-34-400-802-A | Installation of the Engine Interface Unit (EIU) |
| TASK 78-30-00-040-805-A | Deactivation of the Thrust Reverser System for Ground Maintenance |
| TASK 78-30-00-440-805-A | Reactivation of the Thrust Reverser System after Ground Maintenance |
| TASK 78-36-00-010-802-A | Opening of the Thrust Reverser Cowl-Doors |
| TASK 78-36-00-410-802-A | Closing of the Thrust Reverser Cowl-Doors |
Subtask 73-11-01-941-051-A ** ON A/C NOT FOR ALL
A. Safety Precautions
(1) Make sure that you did the procedure to prevent engine motoring and to stop the electrical supply to the Electronic Engine Control (EEC)
(Ref. AMM TASK 71-00-00-860-832).
Subtask 73-11-01-860-050-A ** ON A/C NOT FOR ALL (1) Make sure that you did the procedure to prevent engine motoring and to stop the electrical supply to the Electronic Engine Control (EEC)
(Ref. AMM TASK 71-00-00-860-832).
B. Aircraft Maintenance Configuration
(1) Do the EIS start procedure (upper ECAM DU and lower ECAM DU only)
(Ref. AMM TASK 31-60-00-860-001).
(2) On the SD ENG fuel page, make sure that the LP valve is shown closed.
Subtask 73-11-01-865-050-A ** ON A/C NOT FOR ALL (1) Do the EIS start procedure (upper ECAM DU and lower ECAM DU only)
(Ref. AMM TASK 31-60-00-860-001).
(2) On the SD ENG fuel page, make sure that the LP valve is shown closed.
C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
Subtask 73-11-01-010-051-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| FOR FIN: 4020KM1 (POWER PLANTDEMOUNTABLE, ENG 1) | |||
| 49VU | FUEL/LP VALVE/MOT1/ENG1 | 1QG | A08 |
| 121VU | FUEL/LP VALVE/MOT2/ENG1 | 3QG | M25 |
| FOR FIN: 4020KM2 (POWER PLANTDEMOUNTABLE, ENG 2) | |||
| 49VU | FUEL/LP VALVE/MOT1/ENG2 | 2QG | A09 |
| 121VU | FUEL/LP VALVE/MOT2/ENG2 | 4QG | M26 |
D. Get Access
(1) Make sure that the fan cowl doors are open (Ref. AMM TASK 71-13-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL, 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL, 448AR
Subtask 73-11-01-040-051-A ** ON A/C NOT FOR ALL (1) Make sure that the fan cowl doors are open (Ref. AMM TASK 71-13-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL, 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL, 448AR
E. Deactivation of the Thrust Reverser System for Maintenance
Subtask 73-11-01-010-053-A ** ON A/C NOT FOR ALL WARNING:
YOU MUST DEACTIVATE THE THRUST REVERSER BEFORE YOU DO WORK ON OR AROUND IT. IF YOU DO NOT, THE THRUST REVERSER CAN OPERATE ACCIDENTALLY AND CAUSE AN INJURY AND/OR DAMAGE.
(1) Make sure that you did the deactivation of the thrust reverser system for maintenance (Ref. AMM TASK 78-30-00-040-805). F. Get Access
(1) Make sure that the right thrust reverser cowl-door is open (Ref. AMM TASK 78-36-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
452AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
462AR
Subtask 73-11-01-020-052-A ** ON A/C NOT FOR ALL (1) Make sure that the right thrust reverser cowl-door is open (Ref. AMM TASK 78-36-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
452AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
462AR
G. Remove the Inline Damper
(1) Make sure that the Inline Damper of the Green Engine Dump on Engine 1 is removed (Ref. AMM TASK 29-11-46-000-803).
(2) Make sure that the Inline Damper of the Yellow Engine Pump on Engine 2 is removed (Ref. AMM TASK 29-13-46-000-803)
4. Procedure(1) Make sure that the Inline Damper of the Green Engine Dump on Engine 1 is removed (Ref. AMM TASK 29-11-46-000-803).
(2) Make sure that the Inline Damper of the Yellow Engine Pump on Engine 2 is removed (Ref. AMM TASK 29-13-46-000-803)
CAUTION:
WIPE CLEAN ALL PARTS AND TOOLS AS NECESSARY TO REMOVE UNWANTED DEBRIS AND PREVENT DAMAGE TO THE ENGINE.
Subtask 73-11-01-420-050-A ** ON A/C NOT FOR ALL A. Installation of the Integrated Fuel Pump and Control (IFPC)
(a) Make sure that you remove all the necessary COVER - PROTECTION to prevent damage to the engine.
(2) There are two approved procedures that you can use to install the IFPC (1). Use one of the procedures that follow:
(a) Install the IFPC (1) on the engine with the PWA211313 FIXTURE, INSTALLATION, refer to step 4.A.(5).
(b) Install the IFPC (1) on the engine with the PWA211441 HANDLE, WORK, refer to step 4.A.(6).
(3) Install the IFPC (1) on the PWA211313 FIXTURE, INSTALLATION as follows:
(a) (b) Align the IFPC (1) drive shaft with the PWA211313 FIXTURE, INSTALLATION pad opening.
(c) Lower the IFPC (1) onto the PWA211313 FIXTURE, INSTALLATION pad.
(d) (e) Install the detail support on the float plate with the four detail screws.
(f) Align the block slot with the support dowel pin.
(g) Install the support on the block with the detail screw.
(4) Remove the crank pad from the Main Gear Box (MGB) as follows:
(a) Remove the two bolts (13) and the two washers (12) from the manual crank cover (11).
(b) Remove the manual crank cover (11) from the MGB with the PWA211773 PULLER, SLIDE MAIN.
(c) Remove the packing (14) and discard it.
(5) Install the IFPC (1) on the fuel manifold with the PWA211313 FIXTURE, INSTALLATION as follows:
(a) Turn the PWA211313 FIXTURE, INSTALLATION hand crank and the upper hand wheel as necessary to lift the IFPC (1).
(b) Apply the anti−seize paste (Material No.P06-054) on the threads of the six captive bolts.
P03-001 lubricant, aircraft turbine engine
(d) Install the packing (24) on the IFPC (1) drive shaft.
(e) Inspect the current face seal (25) for reusability as follows:
1 Raised material on the metal surface is not permitted.
2 Rubber that is not bonded to the seal plate is not permitted.
3 Rubber that is missing is not permitted.
4 Inspect the rubber seal for separation from the seal plate.
5 Rubber that is cut or damaged is not permitted.
6 Make sure that the rubber material is above the metal surface.
(f) Align and install the EIPC 73-11-01-01-080 FACE SEAL (25) on the fuel manifold.
(g) Align the IFPC (1) with the MGB IFPC drive-splines with the PWA211313 FIXTURE, INSTALLATION.
(i)
The Integrated Fuel Pump and Control (IFPC) ** ON A/C NOT FOR ALL
The Integrated Fuel Pump and Control (IFPC) ** ON A/C NOT FOR ALL
(j) Engagement of the drive shaft splines:
in an equal and opposite pattern until the same torque indication holds.
(l) Remove the PWA211313 FIXTURE, INSTALLATION from the IFPC (1).
(6) Install the IFPC (1) on the fuel manifold with the PWA211441 HANDLE, WORK as follows:
(a) Apply theP03-001 lubricant, aircraft turbine engine
(b) Install the PWA211441 HANDLE, WORK on the IFPC (1) with the four detail screws.
(c) Apply the anti−seize paste (Material No.P06-054) on the threads of the six captive bolts.
P03-001 lubricant, aircraft turbine engine
(e) Install the packing (24) on the IFPC (1) drive shaft.
(f) Inspect the current face seal (25) for reusability as follows:
1 Raised material on the metal surface is not permitted.
2 Rubber that is not bonded to the seal plate is not permitted.
3 Rubber that is missing is not permitted.
4 Examine the rubber seal for separation from the seal plate.
5 Rubber that is cut or damaged is not permitted.
6 Make sure that the rubber material is above the metal surface.
(g) Align and install the face seal (25) on the fuel manifold.
(h) Align the IFPC (1) with the MGB IFPC drive-splines with the PWA211441 HANDLE, WORK.
The Integrated Fuel Pump and Control (IFPC) ** ON A/C NOT FOR ALL
The Integrated Fuel Pump and Control (IFPC) ** ON A/C NOT FOR ALL
(j) Install the IFPC (1):
in an equal and opposite pattern until the same torque indication holds.
(l) Remove the PWA211441 HANDLE, WORK from the IFPC (1).
(7) Install the manual crank cover as follows:
(a) Apply theP03-001 lubricant, aircraft turbine engine
(b) Install the packing (14) on the manual crank cover (11).
(c) Apply the anti−seize paste (Material No.P06-054) on the two bolts (13).
(d) Install the manual crank cover (11) on the MGB with the two bolts (13) and the two washers (12).
(e) TORQUE the two bolts (13) to between 95 and 78 lbf.in (1.07 and 0.88 m.daN ).
(8) Install the main fuel supply-hose on the IFPC (1) as follows:
(a) Apply the anti−seize (Material No.P06-043) on the threads of the four bolts (36).
(c) TORQUE the four bolts (36) to between 70 and 55 lbf.in (0.79 and 0.62 m.daN ) in an equal and opposite pattern until the same torque indication holds.
(9) Install the bracket (47) on the IFPC (1) as follows:
(a) Install the bracket (47) on the IFPC (1) with the two bolts (46).
(b) TORQUE the two bolts (46) to between 44 and 38 lbf.in (0.50 and 0.43 m.daN ).
(10) Connect the wiring harness (WC08) and the connector (P15) to the IFPC (1) receptacle (J15) as follows:
(a) Examine, align and engage the connector.
(b) Lightly push the connector while you tighten the coupling ring.
(c) Use the PLIERS - JAWED, SOFT to tighten the connector against the receptacle.
(d) While you tighten the connector, push it from side to side.
(e) Make sure that you can feel the ratchet feature.
(f) Tighten the connector until the PLIERS - JAWED, SOFT slip on the connector ring.
(11) Connect the wiring harness (W03) and the connector (P16) to the IFPC (1) receptacle (J16) as follows:
(a) Examine, align and engage the connector.
(b) Lightly push the connector while you tighten the coupling ring.
(c) Use the PLIERS - JAWED, SOFT to tighten the connector against the receptacle.
(d) While you tighten the connector, push it from side to side.
(e) Make sure that you can feel the ratchet feature.
(f) Tighten the connector until the PLIERS - JAWED, SOFT slip on the connector ring.
(12) Connect the bracket to the IFPC (1) as follows:
(a) Apply the anti−seize (Material No.P06-043) on the threads of the two bolts (41).
(b) Install the two bolts (41) through the bracket on the IFPC (1) fingertight.
(c) TORQUE the two bolts (41) to between 44 and 38 lbf.in (0.50 and 0.43 m.daN ).
(13) (14) Examine the assembly for unwanted objects, damage and correct assembly.
5. Close-upCAUTION:
REMOVE THE PROTECTION COVERS FROM THE OPENINGS AS NECESSARY TO PREVENT ENGINE DAMAGE.
(1) (a) Make sure that you remove all the necessary COVER - PROTECTION to prevent damage to the engine.
(2) There are two approved procedures that you can use to install the IFPC (1). Use one of the procedures that follow:
(a) Install the IFPC (1) on the engine with the PWA211313 FIXTURE, INSTALLATION, refer to step 4.A.(5).
(b) Install the IFPC (1) on the engine with the PWA211441 HANDLE, WORK, refer to step 4.A.(6).
(3) Install the IFPC (1) on the PWA211313 FIXTURE, INSTALLATION as follows:
(a) (b) Align the IFPC (1) drive shaft with the PWA211313 FIXTURE, INSTALLATION pad opening.
(c) Lower the IFPC (1) onto the PWA211313 FIXTURE, INSTALLATION pad.
(d) (e) Install the detail support on the float plate with the four detail screws.
(f) Align the block slot with the support dowel pin.
(g) Install the support on the block with the detail screw.
(4) Remove the crank pad from the Main Gear Box (MGB) as follows:
(a) Remove the two bolts (13) and the two washers (12) from the manual crank cover (11).
(b) Remove the manual crank cover (11) from the MGB with the PWA211773 PULLER, SLIDE MAIN.
(c) Remove the packing (14) and discard it.
(5) Install the IFPC (1) on the fuel manifold with the PWA211313 FIXTURE, INSTALLATION as follows:
(a) Turn the PWA211313 FIXTURE, INSTALLATION hand crank and the upper hand wheel as necessary to lift the IFPC (1).
(b) Apply the anti−seize paste (Material No.P06-054) on the threads of the six captive bolts.
NOTE: For the new or refurbished bolts or nuts with baked-on lubricant, do not do the wet application.
(c) Apply the (d) Install the packing (24) on the IFPC (1) drive shaft.
(e) Inspect the current face seal (25) for reusability as follows:
1 Raised material on the metal surface is not permitted.
2 Rubber that is not bonded to the seal plate is not permitted.
3 Rubber that is missing is not permitted.
4 Inspect the rubber seal for separation from the seal plate.
5 Rubber that is cut or damaged is not permitted.
6 Make sure that the rubber material is above the metal surface.
(f) Align and install the EIPC 73-11-01-01-080 FACE SEAL (25) on the fuel manifold.
(g) Align the IFPC (1) with the MGB IFPC drive-splines with the PWA211313 FIXTURE, INSTALLATION.
NOTE: Three mechanics are necessary to align the MGB IFPC drive-splines with the IFPC drive-shaft splines.
(h) Turn the lower hand wheel to adjust the angle of the IFPC (1) to the fuel manifold. (i)
The Integrated Fuel Pump and Control (IFPC) ** ON A/C NOT FOR ALL The Integrated Fuel Pump and Control (IFPC) ** ON A/C NOT FOR ALL CAUTION:
DO NOT LET THE IFPC HANG ON THE DOWEL PINS OR ON THE DRIVE SHAFT WHEN THE BOLTS ARE NOT ENGAGED. IF YOU DO, THE IFPC CAN DISENGAGE FROM THE MANIFOLD AND FALL. THE IFPC WEIGHT IS 63 LBS (29KG). IF IT FALLS, IT WILL GET DAMAGED.
1 (k) TORQUE the six captive bolts to between 200 and 180 lbf.in (2.26 and 2.03 m.daN ) in an equal and opposite pattern until the same torque indication holds. (l) Remove the PWA211313 FIXTURE, INSTALLATION from the IFPC (1).
(6) Install the IFPC (1) on the fuel manifold with the PWA211441 HANDLE, WORK as follows:
(a) Apply the
(b) Install the PWA211441 HANDLE, WORK on the IFPC (1) with the four detail screws.
(c) Apply the anti−seize paste (Material No.P06-054) on the threads of the six captive bolts.
NOTE: For the new or refurbished bolts or nuts with baked-on lubricant, do not do the wet application.
(d) Apply the (e) Install the packing (24) on the IFPC (1) drive shaft.
(f) Inspect the current face seal (25) for reusability as follows:
1 Raised material on the metal surface is not permitted.
2 Rubber that is not bonded to the seal plate is not permitted.
3 Rubber that is missing is not permitted.
4 Examine the rubber seal for separation from the seal plate.
5 Rubber that is cut or damaged is not permitted.
6 Make sure that the rubber material is above the metal surface.
(g) Align and install the face seal (25) on the fuel manifold.
(h) Align the IFPC (1) with the MGB IFPC drive-splines with the PWA211441 HANDLE, WORK.
NOTE: Three mechanics are necessary to align the MGB IFPC drive-splines with the IFPC drive-shaft splines.
(i) The Integrated Fuel Pump and Control (IFPC) ** ON A/C NOT FOR ALL The Integrated Fuel Pump and Control (IFPC) ** ON A/C NOT FOR ALL CAUTION:
DO NOT LET THE IFPC HANG ON THE DOWEL PINS OR ON THE DRIVE SHAFT WHEN THE BOLTS ARE NOT ENGAGED. IF YOU DO, THE IFPC CAN DISENGAGE FROM THE MANIFOLD AND FALL. THE IFPC WEIGHT IS 63 LBS (29KG). IF IT FALLS, IT WILL GET DAMAGED.
1 (k) TORQUE the six captive bolts to between 200 and 180 lbf.in (2.26 and 2.03 m.daN ) in an equal and opposite pattern until the same torque indication holds. (l) Remove the PWA211441 HANDLE, WORK from the IFPC (1).
(7) Install the manual crank cover as follows:
(a) Apply the
(b) Install the packing (14) on the manual crank cover (11).
(c) Apply the anti−seize paste (Material No.P06-054) on the two bolts (13).
(d) Install the manual crank cover (11) on the MGB with the two bolts (13) and the two washers (12).
(e) TORQUE the two bolts (13) to between 95 and 78 lbf.in (1.07 and 0.88 m.daN )
. (8) Install the main fuel supply-hose on the IFPC (1) as follows:
(a) Apply the anti−seize (Material No.P06-043) on the threads of the four bolts (36).
NOTE: For new or refurbished bolts or nuts with baked-on lubricant, do not do the wet application.
(b) Install the main fuel supply-hose and the AIPC 73-11-86-01-100 FACE SEAL (35) on the IFPC (1) with the four bolts (36). (c) TORQUE the four bolts (36) to between 70 and 55 lbf.in (0.79 and 0.62 m.daN )
in an equal and opposite pattern until the same torque indication holds. (9) Install the bracket (47) on the IFPC (1) as follows:
(a) Install the bracket (47) on the IFPC (1) with the two bolts (46).
(b) TORQUE the two bolts (46) to between 44 and 38 lbf.in (0.50 and 0.43 m.daN )
. (10) Connect the wiring harness (WC08) and the connector (P15) to the IFPC (1) receptacle (J15) as follows:
(a) Examine, align and engage the connector.
(b) Lightly push the connector while you tighten the coupling ring.
(c) Use the PLIERS - JAWED, SOFT to tighten the connector against the receptacle.
(d) While you tighten the connector, push it from side to side.
(e) Make sure that you can feel the ratchet feature.
(f) Tighten the connector until the PLIERS - JAWED, SOFT slip on the connector ring.
(11) Connect the wiring harness (W03) and the connector (P16) to the IFPC (1) receptacle (J16) as follows:
(a) Examine, align and engage the connector.
(b) Lightly push the connector while you tighten the coupling ring.
(c) Use the PLIERS - JAWED, SOFT to tighten the connector against the receptacle.
(d) While you tighten the connector, push it from side to side.
(e) Make sure that you can feel the ratchet feature.
(f) Tighten the connector until the PLIERS - JAWED, SOFT slip on the connector ring.
(12) Connect the bracket to the IFPC (1) as follows:
(a) Apply the anti−seize (Material No.P06-043) on the threads of the two bolts (41).
(b) Install the two bolts (41) through the bracket on the IFPC (1) fingertight.
(c) TORQUE the two bolts (41) to between 44 and 38 lbf.in (0.50 and 0.43 m.daN )
.(13) (14) Examine the assembly for unwanted objects, damage and correct assembly.
CAUTION:
INSTALL PROTECTION COVERS ON ALL THE OPENINGS IMMEDIATELY TO PREVENT DAMAGE TO THE ENGINE.
(15) Make sure that you install the COVER - PROTECTION as necessary to prevent damage to the engine. Subtask 73-11-01-400-051-A ** ON A/C NOT FOR ALL
A. Install the Inline Damper
(1) Install the Inline Damper of the Green Engine Pump on Engine 1 (Ref. AMM TASK 29-11-46-400-803)
(2) Install the Inline Damper of the Yellow Engine Pump on Engine 2 (Ref. AMM TASK 29-13-46-400-803)
Subtask 73-11-01-410-050-A ** ON A/C NOT FOR ALL (1) Install the Inline Damper of the Green Engine Pump on Engine 1 (Ref. AMM TASK 29-11-46-400-803)
(2) Install the Inline Damper of the Yellow Engine Pump on Engine 2 (Ref. AMM TASK 29-13-46-400-803)
B. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the right thrust reverser cowl-door (Ref. AMM TASK 78-36-00-410-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
452AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
462AR
Subtask 73-11-01-440-050-A ** ON A/C NOT FOR ALL (1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the right thrust reverser cowl-door (Ref. AMM TASK 78-36-00-410-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
452AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
462AR
C. Do the reactivation of the thrust reverser system after maintenance (Ref. AMM TASK 78-30-00-440-805).
Subtask 73-11-01-410-051-A ** ON A/C NOT FOR ALL D. Close Access
(1) Close the fan cowl doors (Ref. AMM TASK 71-13-00-410-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL, 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL, 448AR
(2) Remove the WARNING NOTICE(S).
Subtask 73-11-01-865-056-A ** ON A/C NOT FOR ALL (1) Close the fan cowl doors (Ref. AMM TASK 71-13-00-410-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL, 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL, 448AR
(2) Remove the WARNING NOTICE(S).
E. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 73-11-01-860-053-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| FOR FIN: 4020KM1 (POWER PLANTDEMOUNTABLE, ENG 1) | |||
| 49VU | FUEL/LP VALVE/MOT1/ENG1 | 1QG | A08 |
| 121VU | FUEL/LP VALVE/MOT2/ENG1 | 3QG | M25 |
| FOR FIN: 4020KM2 (POWER PLANTDEMOUNTABLE, ENG 2) | |||
| 49VU | FUEL/LP VALVE/MOT1/ENG2 | 2QG | A09 |
| 121VU | FUEL/LP VALVE/MOT2/ENG2 | 4QG | M26 |
F. Put the aircraft back to its initial configuration.
(1) Make sure that all the circuit breakers shown in the paragraph Procedure of the engine interface unit installation are closed. If they are not, close them in the recommended sequence
(Ref. AMM TASK 73-25-34-400-802)
(2) Do the EIS stop procedure
(Ref. AMM TASK 31-60-00-860-002).
Subtask 73-11-01-720-050-A ** ON A/C NOT FOR ALL (1) Make sure that all the circuit breakers shown in the paragraph Procedure of the engine interface unit installation are closed. If they are not, close them in the recommended sequence
(Ref. AMM TASK 73-25-34-400-802)
(2) Do the EIS stop procedure
(Ref. AMM TASK 31-60-00-860-002).
G. Tests
(1) Do the test No. 3: Idle power test (Ref. AMM TASK 71-00-00-720-811).
(2) Do the test No. 6: FADEC System - EEC idle test (Ref. AMM TASK 73-21-00-710-807).
(3) Do the test No. 15: FADEC System - Operation test (dry motor) of engine actuators (Ref. AMM TASK 73-21-00-710-809).
(1) Do the test No. 3: Idle power test (Ref. AMM TASK 71-00-00-720-811).
(2) Do the test No. 6: FADEC System - EEC idle test (Ref. AMM TASK 73-21-00-710-807).
(3) Do the test No. 15: FADEC System - Operation test (dry motor) of engine actuators (Ref. AMM TASK 73-21-00-710-809).