W DOC AIRBUS | AMM A320F

Installation of the Pressure/Suction/Case Drain/Return Piping of the Yellow Hydraulic System in the Engine Pylon

TASK 29-13-49-400-811-A
Installation of the Pressure/Suction/Case Drain/Return Piping of the Yellow Hydraulic System in the Engine Pylon

WARNING: PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:
  • THE FLIGHT CONTROLS
  • THE FLIGHT CONTROL SURFACES
  • THE LANDING GEAR AND THE RELATED DOORS
  • COMPONENTS THAT MOVE.
MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAN CAUSE DAMAGE TO THE EQUIPMENT.
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.
WARNING: YOU MUST NOT GET HYDRAULIC FLUID ON YOUR SKIN, IN YOUR EYES OR IN YOUR MOUTH. THE HYDRAULIC FLUID IS POISONOUS AND CAN BE ABSORBED INTO YOUR BODY. IF YOU ACCIDENTALLY GET HYDRAULIC FLUID IN YOUR EYES, MOUTH OR ON YOUR SKIN, FLUSH WITH WATER AND GET MEDICAL AID.
WARNING: OBEY THE HYDRAULIC SAFETY PROCEDURES.
CAUTION: DO NOT LET ENGINE FUEL, OIL OR HYDRAULIC FLUID SPILL ON THE ENGINE. YOU MUST IMMEDIATELY REMOVE UNWANTED FUEL, OIL OR HYDRAULIC FLUID WITH A CLOTH. FUEL, OIL OR HYDRAULIC FLUID CAN CAUSE DAMAGE TO SOME ENGINE PARTS.
ZONE: 420
ZONE: 480
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 3M (10 FT)- ADJUSTABLE
No specific
AR
CAP - BLANKING
No specific
1
CONTAINER 5 L (1.32 USGAL)
No specific
AR
PLUG - BLANKING
No specific
AR
TIE WRAP(S)
No specific
AR
WARNING NOTICE(S)
No specific
1
WRENCH - CROWFOOT
No specific
1
WRENCH - STANDARD
98D27803000000
1
LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.06ABB2)
Polysulfide Sealant-Fuel Tank Fillet 120 degre Celsius
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
420
ENG 2 PYLON BOX AND FORWARD FAIRING
480
ENGINE 2 AFT PYLON
195BB, 198CB
FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
425AL, 425AR, 425BL, 425CR, 447AL, 448AR, 481AL, 481BL, 482CR, 485AL
 D. Referenced Information
REFERENCE
DESIGNATION
TASK 20-21-12-911-001-A
Tightening Torques for Pipe Unions (not for OXYGEN Unions)
TASK 20-23-22-910-001-A
Marking of the Unions after Application of Standard or Specific Tightening Torque
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 26-21-41-000-001-E
Removal of the Engine Fire-Extinguisher Bottle
TASK 26-21-41-400-001-E
Installation of the Engine Fire-Extinguisher Bottle
TASK 26-21-49-000-803-A
Removal of the Engine Fire-Extinguishing Pipe (Aft Part)
TASK 26-21-49-400-803-A
Installation of the Engine Fire-Extinguishing Pipe (Aft Part)
TASK 27-00-00-080-002-A
Removal of the Flap/Slat Control-Lever Locking Tool (98D27803000000)
TASK 27-00-00-480-002-A
Installation of the Flap/Slat Control-Lever Locking Tool (98D27803000000)
TASK 29-00-00-870-007-A
Bleeding Procedure of the Yellow Hydraulic System Downstream of the Engine Pump
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 31-60-00-860-002-A
EIS Stop Procedure
TASK 54-53-11-000-804-A
Removal of the Pylon-to-Wing Access Panels and Doors
TASK 54-53-11-400-804-A
Installation of the Pylon-to-Wing Access Panels and Doors
TASK 54-54-00-000-802-A
Removal of the Rear Pylon Fairing (RPF)
TASK 54-54-00-400-802-A
Installation of the Rear Pylon Fairing (RPF)
TASK 71-00-00-860-833-A
Procedure to Prevent Engine Motoring
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 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 78-31-00-710-805-A
Operational Test of Thrust Reverser with MCDU
TASK 78-31-00-710-805-A-01
Thrust Reverser Cycling Test (Engine Running)
F Forward and Middle Pressure/Suction/Case Drain/Return Piping of the Yellow Hydraulic System in the Engine Pylon
F Aft Pressure/Suction/Case Drain/Return Piping of the Yellow Hydraulic System in the Engine Pylon
3. Job Set-up
Subtask 29-13-49-860-140-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
   (1) Make sure that the aircraft 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 29-10-00-864-002).
   (3) Make sure that the reservoir of the Yellow hydraulic system is depressurized.
(Ref. AMM TASK 29-14-00-614-001).
   (4) On the ECAM control panel:
  • Make sure that the HYD key is pushed.
  • On the lower ECAM DU, make sure that the HYD page is shown.
   (5) On the overhead panel 20VU:
  • Make sure that the ENG2/FIRE pushbutton is released.
   (6) On the lower ECAM DU, on the HYD page:
  • Make sure that the fire shutoff valve (3046GD) is closed.
Subtask 29-13-49-941-123-A ** ON A/C NOT FOR ALL
B. Safety Precautions
   (1) On AIR COND panel 30VU:
  • Make sure that the APU BLEED pushbutton switch is released (ON legend off).
  • Make sure that a WARNING NOTICE(S) is in position to tell persons not to operate this pushbutton switch.
   (2) Make sure that a WARNING NOTICE(S) is in position to tell persons not to pressurize the Yellow hydraulic system:
  • On the HYD section of panel 40VU
  • On access door 198CB, on the ground service panel of the Yellow hydraulic system.
   (3) Make sure that a WARNING NOTICE(S) is in position on access door 195BB to tell persons not to pressurize the reservoir of the Green hydraulic system.
   (4) On FLAPS panel 114VU:
  • Make sure that the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION is in position on the flap/slat control lever (Ref. AMM TASK 27-00-00-480-002).
  • Make sure that a WARNING NOTICE(S) is in position on the flap/slat control lever to tell persons not to operate the flap/slat controls.
   (5) Make sure that you did the procedure to prevent engine motoring (Ref. AMM TASK 71-00-00-860-833).
Subtask 29-13-49-865-109-A ** ON A/C NOT FOR ALL
C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
FOR FIN: 6WE2 (BOTTLE 1FIRE EXTING, ENG 2)
121VUENGINE/ENG1 AND 2 FIRE EXTIG/BTL2/SQUIB/B2WE1Q44
121VUENGINE/ENG1 AND 2 FIRE EXTIG/BTL1/SQUIB/A1WE1Q43
** ON A/C NOT FOR ALL
121VUENGINE/ENG1 AND 2 FIRE EXTIG/BTL2/SQUIB/B2WE1Q43
121VUENGINE/ENG1 AND 2 FIRE EXTIG/BTL1/SQUIB/A1WE1Q42
** ON A/C NOT FOR ALL
FOR FIN: 8WE2 (BOTTLE 2FIRE EXTING, ENG 2)
121VUENGINE/ENG1 AND 2 FIRE EXTIG/BTL1/SQUIB/B2WE2Q42
121VUENGINE/ENG1 AND 2 FIRE EXTIG/BTL2/SQUIB/A1WE2Q41
** ON A/C NOT FOR ALL
121VUENGINE/ENG1 AND 2 FIRE EXTIG/BTL1/SQUIB/B2WE2Q41
121VUENGINE/ENG1 AND 2 FIRE EXTIG/BTL2/SQUIB/A1WE2Q40
Subtask 29-13-49-010-135-A ** ON A/C NOT FOR ALL
D. Get Access
   (1) Make sure that the fan cowl doors are open (Ref. AMM TASK 71-13-00-010-802):
     (a) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL 448AR
Subtask 29-13-49-040-081-A ** ON A/C NOT FOR ALL
E. Deactivation of the Thrust Reverser System for Maintenance
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).
Subtask 29-13-49-010-141-A ** ON A/C NOT FOR ALL
F. Get Access
   (1) Make sure that the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE is in position at zones 420 and 480.
   (2) Make sure that these access panels are removed (Ref. AMM TASK 54-53-11-000-804):
     (a) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
   (3) Make sure that the rear pylon fairing (RPF) is removed (Ref. AMM TASK 54-54-00-000-802):
     (a) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
Subtask 29-13-49-020-126-A ** ON A/C NOT FOR ALL
G. Removal of the Components
   (1) Make sure that the fire extinguisher bottles are removed (Ref. AMM TASK 26-21-41-000-001).
   (2) Make sure that the engine fire-extinguishing pipes are removed (Ref. AMM TASK 26-21-49-000-803).
4. Procedure
Subtask 29-13-49-420-118-A ** ON A/C NOT FOR ALL
A. Installation of the Forward and Middle Pressure/Suction/Case Drain/Return Piping of the Yellow Hydraulic System in the Engine Pylon
F Forward and Middle Pressure/Suction/Case Drain/Return Piping of the Yellow Hydraulic System in the Engine Pylon ** ON A/C NOT FOR ALL
   (1) Clean the component interfaces and the adjacent area.
   (2) Do an inspection of the component interfaces and the adjacent area.
   (3) Remove the PLUG - BLANKING from the line ends.
   (4) Make sure that the hydraulic line end-fittings are serviceable.
   (5) Installation of the hydraulic pipe (3):
     (a) Connect the hydraulic pipe (3) to the hydraulic filter Hydraulic Control Unit (HCU) (35).
     (b) Connect the hydraulic pipe (3) to the pylon manifold.
   (6) Installation of the hydraulic pipes (4) and (5):
     (a) Put the hydraulic pipe (4) in position.
     (b) Install the clamp blocks (23) on the hydraulic pipes (4) and (5).
       1 Install the washers (24) and bolts (25).
         a Do not tighten the bolts (25) at this time.
     (c) Install the clamp block (83) on the hydraulic pipes (4) and (5).
       1 Install the washers (84), bolts (85) and nuts (82).
         a Do not tighten the nuts (82) at this time.
     (d) Connect the hydraulic pipe (4) to the structure with the washers (19) and bolts (18).
       1 Tighten the bolts (18).
     (e) Connect the hydraulic pipe (5) to the structure with the washers (21) and bolts (20).
       1 Tighten the bolts (20).
     (f) Apply Polysulfide Sealant-Fuel Tank Fillet 120 degre Celsius (Material No.06ABB2) on the head of the bolts (18) and (20).
     (g) Connect the hydraulic pipe (4) to the hydraulic hose (39).
     (h) Hold the hydraulic hose (39) with a WRENCH - STANDARD and tighten the hydraulic pipe (4) (Ref. AMM TASK 20-21-12-911-001).
     (i) Identify the tightened union nuts with a red line
(Ref. AMM TASK 20-23-22-910-001).
     (j) Connect the hydraulic pipe (5) to the hydraulic pipe (36).
     (k) Hold the hydraulic pipe (36) with a WRENCH - STANDARD and tighten the hydraulic pipe (5) (Ref. AMM TASK 20-21-12-911-001).
     (l) Identify the tightened union nuts with a red line
(Ref. AMM TASK 20-23-22-910-001).
     (m) Tighten the bolts (25).
     (n) Tighten the nuts (82).
     (o) Connect the hydraulic pipe (58) to the hydraulic pipe (5).
     (p) Connect the hydraulic pipe (57) to the hydraulic pipe (4).
     (q) Installation of the support (59):
       1 Put in position the support (59).
       2 Install the washers (67) and bolts (68).
       3 Install the washers (69) and bolts (66).
       4 Tighten the bolts (68) and (66).
       5 Install the clamp (65), washers (64) and bolts (63).
       6 Install the clamp (60), washers (61) and bolts (62).
       7 Tighten the bolts (63) and (62).
     (r) Installation of the support (74):
       1 Put in position the support (74).
       2 Install the washers (75) and bolts (76).
       3 Install the washer (80) and bolt (79).
       4 Tighten the bolts (76) and (79).
       5 Install the clamp (81), washers (77) and bolts (78).
       6 Tighten the bolt (78).
   (7) Installation of the hydraulic pipes (2) and (6):
     (a) Put the hydraulic pipes (2) and (6) in position.
     (b) Install the clamp (17) on the hydraulic pipe (6).
     (c) Install the washers (16) and bolts (15).
       1 Do not tighten the bolts (15) at this time.
     (d) Install the clamp (12) on the hydraulic pipe (2).
     (e) Install the washers (14) and bolts (13).
       1 Do not tighten the bolts (13) at this time.
     (f) Install the half-clamp blocks (28) and (34) on the hydraulic pipes (2), (6), (4) and (5).
NOTE: Make sure that all bushes are correctly installed in the half-clamp blocks (28) and (34).
     (g) Install the washers (27), bolts (26) and nuts (31).
       1 Do not tighten the nuts (31) at this time.
     (h) Install the washers (30) and bolts (29).
       1 Do not tighten the bolts (29) at this time.
     (i) Install the washers (33) and bolts (32).
       1 Do not tighten the bolts (32) at this time.
     (j) Attach the hydraulic pipe (6) to the structure with the washers (9) and the bolts (8).
       1 Tighten the bolts (8).
     (k) Attach the hydraulic pipe (2) to the structure with the washers (11) and the bolts (10).
       1 Tighten the bolts (10).
     (l) Connect the hydraulic pipe (6) to the pylon manifold.
     (m) Install a WRENCH - CROWFOOT on the flats of the pylon manifold to hold it and tighten the hydraulic pipe (6).
     (n) Connect the hydraulic pipe (2) to the hydraulic hose (37).
     (o) Hold the hydraulic hose (37) with a WRENCH - STANDARD and tighten the hydraulic pipe (2) (Ref. AMM TASK 20-21-12-911-001).
     (p) Identify the tightened union nuts with a red line
(Ref. AMM TASK 20-23-22-910-001).
     (q) Tighten the bolts (13) and (15).
     (r) Tighten the nuts (31).
     (s) Tighten the bolts (29) and (32).
   (8) Installation of the hydraulic pipes (1) and (7):
     (a) Connect the hydraulic pipe (7) to the hydraulic pipe (2).
     (b) Tighten the hydraulic pipe (7) (Ref. AMM TASK 20-21-12-911-001).
     (c) Identify the tightened union nuts with a red line
(Ref. AMM TASK 20-23-22-910-001).
     (d) Connect the hydraulic pipe (1) to the hydraulic pipe (6).
     (e) Tighten the hydraulic pipe (1) (Ref. AMM TASK 20-21-12-911-001).
     (f) Identify the tightened union nuts with a red line
(Ref. AMM TASK 20-23-22-910-001).
     (g) Connect the hydraulic pipes (1) and (7) to the pylon fuel-hydraulic panel (69).
     (h) Tighten the hydraulic pipes (1) and (7) (Ref. AMM TASK 20-21-12-911-001).
     (i) Identify the tightened union nuts with a red line
(Ref. AMM TASK 20-23-22-910-001).
Subtask 29-13-49-420-117-A ** ON A/C NOT FOR ALL
B. Installation of the Aft Pressure/Suction/Case Drain/Return Piping of the Yellow Hydraulic System in the Engine Pylon
F Aft Pressure/Suction/Case Drain/Return Piping of the Yellow Hydraulic System in the Engine Pylon ** ON A/C NOT FOR ALL
CAUTION: USE TWO WRENCHES TO REMOVE OR INSTALL THE TUBE COUPLING NUTS:
  • ONE WRENCH TO HOLD THE UNION, AND
  • ONE TO LOOSEN OR TIGHTEN THE COUPLING NUT.
THIS PREVENTS DAMAGE TO THE PARTS.
   (1) Make sure that the CONTAINER 5 L (1.32 USGAL) is in position below the hydraulic lines.
   (2) Clean the component interfaces and the adjacent area.
   (3) Do an inspection of the component interfaces and the adjacent area.
   (4) Remove the PLUG - BLANKING from the line ends.
   (5) Make sure that the hydraulic line end-fittings are serviceable.
   (6) Installation of the hydraulic hose (37):
     (a) Put the hydraulic hose (37) in position.
     (b) Connect the hydraulic hose (37) to the pylon/wing interface.
     (c) Tighten the hydraulic hose (37) (Ref. AMM TASK 20-21-12-911-001).
     (d) Make sure that clearance J1 between the bracket and the hydraulic hose (37)is a minimum of 10 mm (0.39 in.).
     (e) Identify the tightened union nuts with a red line
(Ref. AMM TASK 20-23-22-910-001).
   (7) Install the support (70) on the structure with TIE WRAP(S).
   (8) Installation of the hydraulic hose (38):
     (a) Remove the CAP - BLANKING from the pylon manifold.
     (b) Put the hydraulic hose (38) in position.
     (c) Install the clamp (43) on the hydraulic hose (38).
     (d) Install the washers (44) and bolts (45).
       1 Do not tighten the bolts (45) at this time.
     (e) Connect the hydraulic hose (38) to the pylon/wing interface.
     (f) Tighten the hydraulic hose (38) (Ref. AMM TASK 20-21-12-911-001).
     (g) Identify the tightened union nuts with a red line
(Ref. AMM TASK 20-23-22-910-001).
     (h) Connect the hydraulic hose (38) to the pylon manifold.
     (i) Install a WRENCH - CROWFOOT on the flats of the pylon manifold to hold it and tighten the hydraulic hose (38).
     (j) Tighten the bolt (45).
     (k) Installation of the supports (70) and (71):
       1 Remove the TIE WRAP(S) from the support (70).
       2 Put the support (71) in position.
       3 Install the washers (73) and bolts (72).
       4 Tighten the bolts (72).
   (9) Installation of the hydraulic hose (39):
     (a) Put the hydraulic hose (39) in position.
     (b) Install the clamp (40) on the hydraulic hose (39).
     (c) Install the clamp (40), washer (41) and bolt (42).
       1 Do not tighten the bolt (42) at this time.
     (d) Connect the hydraulic hose (39) to the pylon/wing interface.
     (e) Tighten the the hydraulic hose (39) (Ref. AMM TASK 20-21-12-911-001).
     (f) Identify the tightened union nuts with a red line
(Ref. AMM TASK 20-23-22-910-001).
     (g) Tighten the bolt (42).
   (10) Installation of the hydraulic pipe (36):
     (a) Put the hydraulic pipe (36) in position.
     (b) Install the clamp (49) on the hydraulic pipe (36).
     (c) Install the washers (50) and bolts (51).
       1 Do not tighten the bolts (51) at this time.
     (d) Install the clamp (46) on the hydraulic pipe (36).
     (e) Install the washers (47) and bolts (48).
       1 Do not tighten the bolts (48) at this time.
     (f) Install the clamp block (54) on the hydraulic pipe (36).
     (g) Install the washers (53) and bolts (52) and nuts (55).
       1 Do not tighten the nuts (55) at this time.
     (h) Connect the hydraulic pipe (36) to the pylon/wing interface.
     (i) Tighten the hydraulic pipe (36) (Ref. AMM TASK 20-21-12-911-001).
     (j) Identify the tightened union nuts with a red line
(Ref. AMM TASK 20-23-22-910-001).
     (k) Tighten the bolts (51) and (48).
     (l) Tighten the nuts (55).
Subtask 29-13-49-420-119-A ** ON A/C NOT FOR ALL
C. Installation of Components
   (1) Install the fire extinguisher bottles (Ref. AMM TASK 26-21-41-400-001).
   (2) Install the engine fire-extinguishing pipe (Ref. AMM TASK 26-21-49-400-803).
Subtask 29-13-49-440-067-A ** ON A/C NOT FOR ALL
D. Do the reactivation of the thrust reverser system after maintenance (Ref. AMM TASK 78-30-00-440-805).
Subtask 29-13-49-865-110-A ** ON A/C NOT FOR ALL
E. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
FOR FIN: 6WE2 (BOTTLE 1FIRE EXTING, ENG 2)
121VUENGINE/ENG1 AND 2 FIRE EXTIG/BTL2/SQUIB/B2WE1Q44
121VUENGINE/ENG1 AND 2 FIRE EXTIG/BTL1/SQUIB/A1WE1Q43
** ON A/C NOT FOR ALL
121VUENGINE/ENG1 AND 2 FIRE EXTIG/BTL2/SQUIB/B2WE1Q43
121VUENGINE/ENG1 AND 2 FIRE EXTIG/BTL1/SQUIB/A1WE1Q42
** ON A/C NOT FOR ALL
FOR FIN: 8WE2 (BOTTLE 2FIRE EXTING, ENG 2)
121VUENGINE/ENG1 AND 2 FIRE EXTIG/BTL1/SQUIB/B2WE2Q42
121VUENGINE/ENG1 AND 2 FIRE EXTIG/BTL2/SQUIB/A1WE2Q41
** ON A/C NOT FOR ALL
121VUENGINE/ENG1 AND 2 FIRE EXTIG/BTL1/SQUIB/B2WE2Q41
121VUENGINE/ENG1 AND 2 FIRE EXTIG/BTL2/SQUIB/A1WE2Q40
Subtask 29-13-49-860-144-A ** ON A/C NOT FOR ALL
F. Put the aircraft back to its initial configuration.
   (1) On the ECAM control panel, push the HYD key:
  • On the lower ECAM DU, the HYD page comes into view.
   (2) On the overhead panel 20VU:
  • Push the ENG2/FIRE pushbutton switch.
   (3) On the lower ECAM DU, on the HYD page:
  • Make sure that the fire shutoff valve (3046GD) is open.
Subtask 29-13-49-710-087-A ** ON A/C NOT FOR ALL
G. Operational Test
   (1) Do the operational test of the Yellow hydraulic system (Ref. AMM TASK 29-13-00-710-002).
   (2) After the dry-motoring, make sure that there are no leaks on the hydraulic connections.
   (3) Do the bleeding procedure of the Yellow hydraulic system downstream of the engine pump (after maintenance) (Ref. AMM TASK 29-00-00-870-007).
   (4) Do the operational test of the thrust reverser with MCDU (Ref. AMM TASK 78-31-00-710-805).
   (5) Do the EIS stop procedure (Ref. AMM TASK 31-60-00-860-002).
5. Close-up
Subtask 29-13-49-040-085-A ** ON A/C NOT FOR ALL
A. Deactivation of the thrust reverser for maintenance
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) Do the deactivation of the thrust reverser system for maintenance (Ref. AMM TASK 78-30-00-040-805).
Subtask 29-13-49-410-120-A ** ON A/C NOT FOR ALL
B. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Install these access panels (Ref. AMM TASK 54-53-11-400-804):
     (a) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
   (3) Install the rear pylon fairing (RPF) (Ref. AMM TASK 54-54-00-400-802):
     (a) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
   (4) Remove the CONTAINER 5 L (1.32 USGAL) below the hydraulic lines.
Subtask 29-13-49-440-069-A ** ON A/C NOT FOR ALL
C. Do the reactivation of the thrust reverser system after maintenance (Ref. AMM TASK 78-30-00-440-805).
Subtask 29-13-49-410-123-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 [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL 448AR
   (2) Remove the access platform(s).
   (3) Remove the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION from the flap/slat control lever (Ref. AMM TASK 27-00-00-080-002).
   (4) Remove the WARNING NOTICE(S).
Subtask 29-13-49-862-062-A ** ON A/C NOT FOR ALL
E. De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
[Rev.10 from 2021] 2026.04.01 00:23:08 UTC
"Aviabrain" 2025