W DOC AIRBUS | AMM A320F

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

TASK 29-11-49-400-813-A
Installation of the Pressure/Suction/Case Drain/Return Piping of the Green 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 USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
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: 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.
WARNING: BE CAREFUL NOT TO GET AIRCRAFT FUEL IN YOUR MOUTH OR IN YOUR EYES. IF YOU GET FUEL ON YOUR SKIN OR ON YOUR CLOTHES, FLUSH IT IMMEDIATELY WITH WATER. IF NECESSARY, GET MEDICAL HELP. AIRCRAFT FUEL IS POISONOUS.
ZONE: 410
ZONE: 470
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 - PROTECTION
No specific
1
CONTAINER 5 L (1.32 USGAL)
No specific
AR
PLUG - BLANKING
No specific
1
SCRAPER - NON METALLIC
No specific
AR
WARNING NOTICE(S)
No specific
Torque wrench: range to between 3.1 and 2.5 m.N (27.43 and 22.12 lbf.in ) T
No specific
Torque wrench: range to between 32 and 29 m.N (23.60 and 21.39 lbf.ft ) T
No specific
Torque wrench: range to between 81 and 75 m.N (59.73 and 55.31 lbf.ft ) T
No specific
Torque wrench: range to between 83 and 75 m.N (61.21 and 55.31 lbf.ft ) T
No specific
Torque wrench: range to between 79.5 and 78.5 m.N (58.63 and 57.89 lbf.ft ) T
No specific
Torque wrench: range to between 95 and 85 m.N (70.06 and 62.68 lbf.ft ) T
No specific
Torque wrench: range to between 3.2 and 2.9 m.daN (23.60 and 21.39 lbf.ft ) T
No specific
Torque wrench: range to between 8.3 and 7.5 m.daN (61.21 and 55.31 lbf.ft ) T
No specific
Torque wrench: range to between 7.95 and 7.85 m.daN (58.63 and 57.89 lbf.ft ) T
No specific
Torque wrench: range to between 9.5 and 8.5 m.daN (70.06 and 62.68 lbf.ft ) T
98D27803000000
1
LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.02ABA1)
Phosphate Ester Hydraulic Fluid-General Power - -
(Material No.03LDA1)
Grease-Hydraulic Systems - -
(Material No.06BJA4)
Silicone Sealant-High Temp. Brushable 200°C
(Material No.06BJB1)
Silicone Sealant-High Temp. - -
(Material No.06BJB4)
Silicone Sealant-High Temp. - 200°C
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
410
ENG 1 PYLON BOX AND FORWARD FAIRING
470
ENGINE 1 AFT PYLON
195BB, 197CB
FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
411AL, 413AL, 413BL, 413CL, 415BL, 437AL, 438AR, 473AL, 475AL
 D. Expendable Parts
FIG.ITEM
DESIGNATION
IPC-CSN
39
PACKING
AIPC 29-11-86-51-060
 E. Referenced Information
REFERENCE
DESIGNATION
TASK 12-12-29-611-001-A
Fill the Hydraulic Fluid Reservoir with a Hand Pump
TASK 20-23-22-910-001-A
Marking of the Unions after Application of Standard or Specific Tightening Torque
TASK 24-42-00-861-001-A
Energize the Ground Service Network from the External Power
TASK 24-42-00-862-001-A
De-energize the Ground Service Network Supplied from the External Power
TASK 26-21-41-000-001-F
Removal of the Engine Fire-Extinguisher Bottle
TASK 26-21-41-400-001-F
Installation of the Engine Fire-Extinguisher Bottle
TASK 26-21-49-000-804-A
Removal of the Engine Fire-Extinguishing Pipes (Center and Aft Part)
TASK 26-21-49-400-804-A
Installation of the Engine Fire-Extinguishing Pipes (Center and 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 29-00-00-870-003-A
Bleeding Procedure of the Green Hydraulic System Downstream of the Engine Pump
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 29-14-00-614-001-A
Depressurization of the Hydraulic Reservoirs
TASK 36-11-42-000-804-A
Removal of the Bleed-Air Precooler Exchanger
TASK 36-11-42-400-804-A
Installation of the Bleed-Air Precooler Exchanger
TASK 54-51-21-000-804-A
Removal of the Pylon Lateral Access-Doors
TASK 54-51-21-400-803-A
Installation of the Pylon Lateral Access-Doors
TASK 54-52-11-000-807-A
Removal of the Access Skin Panels
TASK 54-52-11-400-807-A
Installation of the Access Skin Panels
TASK 54-53-11-000-806-A
Removal of the Pylon-to-Wing Access Panels and Doors
TASK 54-53-11-400-806-A
Installation of the Pylon-to-Wing Access Panels and Doors
TASK 54-54-00-000-804-A
Removal of the Rear Pylon Fairing (RPF)
TASK 54-54-00-400-803-A
Installation of the Rear Pylon Fairing (RPF)
TASK 54-57-22-000-815-A
Removal of the Rear Mount Fairing (RMF) Door
TASK 54-57-22-000-818-A
Removal of the Rear Mount Fairing (RMF) Assembly
TASK 54-57-22-400-815-A
Installation of the Rear Mount Fairing (RMF) Door
TASK 54-57-22-400-818-A
Installation of the Rear Mount Fairing (RMF) Assembly
TASK 71-13-00-010-803-A
Opening of the Fan Cowl Doors
TASK 71-13-00-410-803-A
Closing of the Fan Cowl Doors
TASK 73-29-00-740-804-A
Thrust Reverser Cycling Test (Menu Mode)
TASK 78-30-00-040-809-A
Deactivation of the Thrust Reverser System for Ground Maintenance
TASK 78-30-00-440-809-A
Reactivation of the Thrust Reverser System after Ground Maintenance
F Forward Pressure/Suction/Case Drain/Return Piping of the Green Hydraulic System in the Engine Pylon
F Middle Pressure/Suction/Case Drain/Return Piping of the Green Hydraulic System in the Engine Pylon
F Aft Pressure/Suction/Case Drain/Return Piping of the Green Hydraulic System in the Engine Pylon
3. Job Set-up
Subtask 29-11-49-861-053-A
A. Make sure that the ground service network is energized
(Ref. AMM TASK 24-42-00-861-001).
Subtask 29-11-49-860-154-A
B. 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 reservoir of the Green hydraulic system is depressurized
(Ref. AMM TASK 29-14-00-614-001).
Subtask 29-11-49-941-124-A
C. 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 Green hydraulic system:
  • On the HYD section of panel 40VU
  • On access door 197CB, on the ground service panel of the Green 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) On the center pedestal, on ENG panel 115VU:
  • Make sure that the ENG/MODE selector switch is in the NORM position.
  • Make sure that the ENG/MASTER 1(2) control switch was in the OFF position not less than five minutes before you do this procedure.
  • Make sure that a WARNING NOTICE(S) is in position to tell persons not to operate the ENG/MODE selector switch and the ENG/MASTER 1(2) control switch.
   (6) On the ENG section of maintenance panel 50VU:
  • Make sure that the ON legend of the FADEC GND PWR/1(2) pushbutton switch is off.
  • Make sure that a WARNING NOTICE(S) is in position to tell persons not to energize FADEC 1(2).
Subtask 29-11-49-040-086-A
D. 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 78-30-00-040-809).
Subtask 29-11-49-010-158-A
E. Get Access
   (1) Make sure that the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE is in position at zones 410 and 470.
   (2) Make sure that this access panel is removed (Ref. AMM TASK 54-53-11-000-806):
     (a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
   (3) Make sure that this access panel is removed (Ref. AMM TASK 54-51-21-000-804):
     (a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
   (4) Make sure that these access skin panels are removed (Ref. AMM TASK 54-52-11-000-807):
     (a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
   (5) Make sure that this rear pylon fairing is removed (Ref. AMM TASK 54-54-00-000-804):
     (a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
   (6) Make sure that this rear-mount fairing door is removed (Ref. AMM TASK 54-57-22-000-815):
     (a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
   (7) Make sure that the rear-mount fairing assembly is removed (Ref. AMM TASK 54-57-22-000-818).
Subtask 29-11-49-010-157-A
F. Get Access
   (1) Make sure that the fan cowl doors are open (Ref. AMM TASK 71-13-00-010-803):
     (a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
473AL 438AR
Subtask 29-11-49-020-137-A
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 26-21-49-000-804).
   (3) Make sure that the bleed-air precooler exchanger is removed (Ref. AMM TASK 36-11-42-000-804).
4. Procedure
Subtask 29-11-49-420-130-A
A. Installation of the Aft Pressure/Suction/Case Drain/Return Piping of the Green Hydraulic System in the Engine Pylon
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 interface and/or the adjacent area.
   (3) Do an inspection of the component interface and/or 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 pipes (99) and (100):
     (a) Put the hydraulic pipe (99) in position.
     (b) Connect the hydraulic pipe (99) to the pylon/wing interface.
     (c) TORQUE the hydraulic pipe (99) to between 9.5 and 8.5 m.daN (70.06 and 62.68 lbf.ft ) T.
     (d) Identify the tightened union nuts with a red line (Ref. AMM TASK 20-23-22-910-001).
     (e) Install the clamp (108) on the hydraulic pipe (100).
     (f) Put the hydraulic pipe (100) in position.
     (g) Connect the hydraulic pipe (100) to the pylon/wing interface.
     (h) TORQUE the hydraulic pipe (100) to between 9.5 and 8.5 m.daN (70.06 and 62.68 lbf.ft ) T.
     (i) Identify the tightened union nuts with a red line (Ref. AMM TASK 20-23-22-910-001).
     (j) Install the support (105) and (111) with the washers (106) and the bolts (107).
     (k) Tighten the bolts (107).
     (l) Install the washers (109) and the bolts (110).
     (m) Tighten the bolts (110).
   (7) Installation of the hydraulic pipe (101):
     (a) Put the hydraulic pipe (101) in position.
     (b) Installation of the clamp (112):
       1 Install the clamp (112) on the hydraulic pipe (101).
       2 Install the washers (113) and the bolts (114).
  • Do not tighten the bolts (114) at this time.
     (c) Connect the hydraulic pipe (101) to the pylon/wing interface.
     (d) TORQUE the hydraulic pipe (101) to between 8.3 and 7.5 m.daN (61.21 and 55.31 lbf.ft ) T.
     (e) Identify the tightened union nuts with a red line (Ref. AMM TASK 20-23-22-910-001).
     (f) Tighten the bolts (114).
   (8) Installation of the hydraulic pipe (98):
     (a) Put the hydraulic pipe (98) in position.
     (b) Installation of the clamp (104):
       1 Install the clamp (104) on the hydraulic pipe (98).
       2 Install the washers (103) and the bolts (102).
  • Do not tighten the bolts (102) at this time.
     (c) Installation of the clamp (115):
       1 Install the clamp (115) on the hydraulic pipe (98).
       2 Install the washers (116) and the bolts (117).
  • Do not tighten the bolts (117) at this time.
     (d) Installation of the clamp (119):
       1 Install the clamp (119) on the hydraulic pipe (98).
       2 Install the washer (120), the bolt (121) and the nut (118).
  • Do not tighten the nut (118) at this time.
     (e) Connect the hydraulic pipe (98) to the pylon/wing interface.
     (f) TORQUE the hydraulic pipe (98) to between 3.2 and 2.9 m.daN (23.60 and 21.39 lbf.ft ) T.
     (g) Identify the tightened union nuts with a red line (Ref. AMM TASK 20-23-22-910-001).
     (h) Tighten the nut (118).
     (i) Tighten the bolts (117).
     (j) Tighten the bolts (102).
Subtask 29-11-49-420-131-B
B. Installation of the Middle Pressure/Suction/Case Drain/Return Piping of the Green Hydraulic System in the Engine Pylon
   (1) Clean the component interface and/or the adjacent area.
   (2) Do an inspection of the component interface and/or 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 (50):
     (a) Put the hydraulic pipe (50) in position.
     (b) Install the bushing (86) on the hydraulic pipe (50).
     (c) Connect the hydraulic pipe (50) to the hydraulic pipe (98).
     (d) TORQUE the union nuts of the hydraulic pipe (98) to between 3.2 and 2.9 m.daN (23.60 and 21.39 lbf.ft ) T.
     (e) Identify the tightened union nuts with a red line (Ref. AMM TASK 20-23-22-910-001).
     (f) Install the washers (54) and the bolts (53) that attach the hydraulic pipe (50) to the structure.
     (g) Tighten the bolts (53).
   (6) Installation of the hydraulic pipe (51):
     (a) Put the hydraulic pipe (51) in position.
     (b) Install the bushing (87) on the hydraulic pipe (51).
     (c) Installation of the clamp blocks (90):
       1 Install the bolts (88) and the washers (89).
       2 Install the nuts (91). Do not tighten them at this time.
     (d) Installation of the clamp blocks (94):
       1 Install the bolts (92) and the washers (93) that attach the clamp blocks (94) to the structure. Do not tighten the bolts (92) at this time.
     (e) Installation of the clamp blocks (55):
       1 Install the bolts (57) and the washers (56) that attach the clamp blocks (55) to the structure. Do not tighten the bolts (57) at this time.
     (f) Connect the hydraulic pipe (51) to the hydraulic pipe (101).
     (g) TORQUE the union nuts of the hydraulic pipe (51) to between 8.3 and 7.5 m.daN (61.21 and 55.31 lbf.ft ) T.
     (h) Identify the tightened union nuts with a red line (Ref. AMM TASK 20-23-22-910-001).
     (i) Install the bolts (52) and the washers (54) that attach the hydraulic pipe (51) to the structure.
       1 Tighten the bolts (52).
     (j) TORQUE the nuts (91) to between 3.1 and 2.5 m.N (27.43 and 22.12 lbf.in ) T.
     (k) TORQUE the bolts (92) to between 3.1 and 2.5 m.N (27.43 and 22.12 lbf.in ) T.
     (l) TORQUE the bolts (57) to between 3.1 and 2.5 m.N (27.43 and 22.12 lbf.in ) T.
   (7) Installation of the hydraulic pipe (49):
     (a) Put the hydraulic pipe (49) in position.
     (b) Install the bushing (85) on the hydraulic pipe (49).
     (c) Installation of the clamp (67):
       1 Install the clamp (67) on the hydraulic pipe (49).
       2 Install the bolts (69) and the washers (68) that attach the clamp (67) to the structure. Do not tighten the bolts (69) at this time.
     (d) Installation of the clamp (61):
       1 Install the clamp (61) on the hydraulic pipe (49).
       2 Install the bolts (63) and the washers (62) that attach the clamp (61) to the structure. Do not tighten the bolts (63) at this time.
     (e) Installation of the clamp (64):
       1 Install the clamp (64) on the hydraulic pipe (49).
       2 Install the bolts (66) and the washers (65) that attach the clamp (64) to the structure. Do not tighten the bolts (66) at this time.
     (f) Installation of the clamp (58):
       1 Install the clamp (58) on the hydraulic pipe (49).
       2 Install the bolts (60) and the washers (59) that attach the clamp (58) to the structure. Do not tighten the bolts (60) at this time.
     (g) Connect the hydraulic pipe (49) to the hydraulic pipe (100).
     (h) TORQUE the union nuts of the hydraulic pipe (49) to between 9.5 and 8.5 m.daN (70.06 and 62.68 lbf.ft ) T.
     (i) Identify the tightened union nuts with a red line (Ref. AMM TASK 20-23-22-910-001).
     (j) Install the bolts (53) and the washers (54) that attach the hydraulic pipe (49) to the structure.
       1 Tighten the bolts (53).
     (k) Tighten the bolts (69).
     (l) Tighten the bolts (66).
     (m) Tighten the bolts (63).
     (n) Tighten the bolts (60).
   (8) Installation of the hydraulic pipe (48):
     (a) Put the hydraulic pipe (48) in position.
     (b) Install the bushing (84) on the hydraulic pipe (48).
     (c) Installation of the clamps (97):
       1 Install the clamps (97) on the hydraulic pipe (48).
       2 Install the bolts (95) and the washers (96) that attach the clamps (97) to the structure. Do not tighten the bolts (95) at this time.
     (d) Connect the hydraulic pipe (48) to the hydraulic pipe (99).
     (e) TORQUE the union nuts of the hydraulic pipe (48) to between 9.5 and 8.5 m.daN (70.06 and 62.68 lbf.ft ) T.
     (f) Identify the tightened union nuts with a red line (Ref. AMM TASK 20-23-22-910-001).
     (g) Install the bolts (52) and the washers (54) that attach the hydraulic pipe (48) to the structure.
     (h) Tighten the bolts (52).
     (i) Installation of the half clamp blocks (72) and (75):
       1 Put the half clamp block (75) in position.
       2 Hold the half clamp block (75) and install the bolts (78) and the washers (77). Do not tighten the bolts (78) at this time.
       3 Install the nut (81) in the close comb (83).
       4 Install the close comb (83) on the clamp block (75) with the bolt (80) and the washer (79).
       5 Tighten the nut (81).
       6 Make sure that the bushings (84), (85), (86) and (87) are installed in the correct positions on the half clamp block (75).
       7 Put the half clamp block (72) in position.
       8 Hold the half clamp block (72) and install the bolts (74) and the washers (73). Do not tighten the bolts (74) at this time.
       9 Install the nut (82) in the close comb (83) with the bolt (70) and the washer (71).
       10 Tighten the nut (82).
       11 Install the nuts (76) with the bolts (70) and the washers (71).
       12 Tighten the nuts (76).
     (j) Tighten the bolts (78).
     (k) Tighten the bolts (74).
     (l) Tighten the bolts (95).
Subtask 29-11-49-420-133-D
C. Installation of the Forward Pressure/Suction/Case Drain/Return Piping of the Green Hydraulic System in the Engine Pylon
CAUTION: DO NOT USE HIGH-DENSITY FLUID SKYDROL 500B-4 FOR A320NEO FAMILY. THE FLUID CAN CAUSE DAMAGE TO THE HYDRAULIC SYSTEM COMPONENTS.
   (1) Clean the component interface and/or the adjacent area.
   (2) Do an inspection of the component interface and/or the adjacent area.
   (3) Remove the PLUG - BLANKING from the line ends.
   (4) Remove the CAP - PROTECTION.
   (5) Make sure that the hydraulic line end-fittings are serviceable.
   (6) Installation of the hydraulic pipe (3):
     (a) Install the bushing (26) on the hydraulic pipe (3).
     (b) Put the hydraulic pipe (3) in position.
     (c) Lightly lubricate with Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) or Grease-Hydraulic Systems - - (Material No.03LDA1) the nut of the hydraulic pipe (3) and the hydraulic pipe (49).
     (d) Connect the hydraulic pipe (3) to the hydraulic pipe (49).
     (e) Installation of the three clamps (8):
       1 Install the clamps (8) on the hydraulic pipe (3).
       2 Install the bolts (10) and the washers (9) that attach the clamps (8) to the structure. Do not tighten the bolts (10) at this time.
     (f) Tighten the hydraulic pipe (3) with your hand.
   (7) Installation of the hydraulic filter (7):
     (a) Put the hydraulic filter (7) in position.
     (b) Lightly lubricate with Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) or Grease-Hydraulic Systems - - (Material No.03LDA1) the nut of the hydraulic pipe (3) and the hydraulic filter (7).
     (c) Hold the hydraulic filter (7) and connect the hydraulic pipe (3) to it.
     (d) Loosely tighten with your hand the hydraulic pipe (3).
   (8) Installation of the hydraulic pipe (1):
     (a) Put the hydraulic pipe (1) in position.
     (b) Lightly lubricate with Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) the nut of the hydraulic pipe (1) and the Isolation Control Unit (ICU) connector (47).
     (c) Connect the hydraulic pipe (1) to the ICU connector (47).
     (d) Lightly lubricate with Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) or Grease-Hydraulic Systems - - (Material No.03LDA1) the nut of the nut of the hydraulic pipe (1) and the hydraulic filter (7).
     (e) Installation of the clamp (8):
       1 Install the clamp (8) on the hydraulic pipe (1).
       2 Install the bolts (10) and the washers (9) that attach the clamp (8) to the structure. Do not tighten the bolts (10) at this time.
     (f) Connect the hydraulic pipe (1) to the hydraulic filter (7).
   (9) Installation of the hydraulic pipe (2):
     (a) Put the hydraulic pipe (2) in position.
     (b) Lightly lubricate with Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) or Grease-Hydraulic Systems - - (Material No.03LDA1) the nut of the hydraulic pipe (2) and the hydraulic filter (7).
     (c) Connect the hydraulic pipe (2) to the hydraulic filter (7).
     (d) Fill the space between the check valve (45) and the pylon lower spar with Silicone Sealant-High Temp. - - (Material No.06BJB1) .
     (e) Put the check valve (45) in position into the pylon.
     (f) Lightly lubricate with Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) or Grease-Hydraulic Systems - - (Material No.03LDA1) the nut of the hydraulic pipe (2) and the check valve (45).
     (g) Install the check valve (45) on the hydraulic pipe (2).
   (10) Loosen the bolts (125) on the plate (124) of the ICU.
   (11) Remove the sealant around the ICU connector (47) with a SCRAPER - NON METALLIC.
   (12) If necessary, align all assemblies again and tighten with your hands the parts that follow:
     (a) The hydraulic pipe (3) to hydraulic pipe (49).
     (b) The hydraulic pipe (3) to the hydraulic filter (7).
     (c) The hydraulic pipe (1) to the ICU connector (47).
     (d) The hydraulic pipe (1) to the hydraulic filter (7).
     (e) The hydraulic pipe (2) to the hydraulic filter (7).
     (f) The hydraulic pipe (2) to the check valve (45).
     (g) Make sure that all the hand tightened connections are correctly attached and aligned. If necessary, loosen and tighten with your hands again the tightened connections.
   (13) TORQUE the hydraulic pipe (3) on the hydraulic pipe (49) to between 95 and 85 m.N (70.06 and 62.68 lbf.ft ) T.
   (14) TORQUE the hydraulic pipe (3) on the hydraulic filter (7) to between 95 and 85 m.N (70.06 and 62.68 lbf.ft ) T.
   (15) Identify the tightened union nuts with a red line
(Ref. AMM TASK 20-23-22-910-001).
   (16) TORQUE the hydraulic pipe (2) on the hydraulic filter (7) to between 95 and 85 m.N (70.06 and 62.68 lbf.ft ) T.
   (17) Identify the tightened union nuts with a red line
(Ref. AMM TASK 20-23-22-910-001).
   (18) TORQUE the hydraulic pipe (2) on the check valve (45) to between 95 and 85 m.N (70.06 and 62.68 lbf.ft ) T.
   (19) Identify the tightened union nuts with a red line
(Ref. AMM TASK 20-23-22-910-001).
   (20) Installation of the anti-rotation device (122):
     (a) Apply Silicone Sealant-High Temp. - - (Material No.06BJB1) on the mating surfaces of the anti-rotation device (122) and the pylon.
     (b) Put the anti-rotation device (122) in its correct installation position.
     (c) Install the washers (44) and the bolts (43) and (123).
     (d) Tighten the bolts (43) and (123).
     (e) Apply Silicone Sealant-High Temp. - - (Material No.06BJB1) on the heads of the bolts (43) and (123).
   (21) TORQUE the hydraulic pipe (1) to the ICU connector (47) to between 83 and 75 m.N (61.21 and 55.31 lbf.ft ) T.
   (22) Identify the tightened union nuts with a red line
(Ref. AMM TASK 20-23-22-910-001).
   (23) TORQUE the hydraulic pipe (1) on the hydraulic filter (7) to between 81 and 75 m.N (59.73 and 55.31 lbf.ft ) T.
   (24) Identify the tightened union nuts with a red line
(Ref. AMM TASK 20-23-22-910-001).
   (25) Tighten the bolts (10) on the clamps (8).
   (26) Lightly lubricate with Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) or Grease-Hydraulic Systems - - (Material No.03LDA1) the threads of the coupling nut of the hose (46).
     (a) Connect the hose (46) to the check valve (45).
     (b) TORQUE the coupling nut of the hose (46) to between 9.5 and 8.5 m.daN (70.06 and 62.68 lbf.ft ) T. Use the triple torque procedure as follows:
       1 Torque to specified value.
       2 Loosen until the coupling nut is free to turn again.
       3 Torque and loosen again.
       4 Torque one more time.
     (c) Clean the component interfaces and the adjacent area.
     (d) Apply Silicone Sealant-High Temp. Brushable 200°C (Material No.06BJA4) to fill the cavity between the structure and the hydraulic pipe (2).
   (27) Identify the tightened union nuts with a red line
(Ref. AMM TASK 20-23-22-910-001).
   (28) Installation of the hydraulic pipe (5):
     (a) Install the bushing (29) on the hydraulic pipe (5).
     (b) Put the hydraulic pipe (5) in position.
     (c) Installation of the clamp (8):
       1 Install the clamp (8) on the hydraulic pipe (5).
       2 Install the bolts (10) and the washers (9) that attach the clamp (8) to the structure. Do not tighten the bolts (10) at this time.
     (d) Install the screw (33) and the washer (34).
     (e) Tighten the screw (33).
     (f) Apply Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) on the new AIPC 29-11-86-51-060 PACKING (39).
     (g) Install the packing (39) on the check valve (38).
     (h) Lightly lubricate with Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) the internal thread of the port of fitting installed at the end of the hydraulic pipe (5).
     (i) Install the check valve (38) on the hydraulic pipe (5).
     (j) TORQUE the check valve (38) to between 7.95 and 7.85 m.daN (58.63 and 57.89 lbf.ft ) T.
     (k) Install the anti-rotation device (40).
     (l) Install the washers (35) and the screws (36).
     (m) Tighten the screws (36).
     (n) Lightly lubricate with Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) on the threads of the coupling nut of the hydraulic pipe (37).
     (o) Connect the hydraulic pipe (37) to the check valve (38).
     (p) Tighten the hydraulic pipe (37).
     (q) Lightly lubricate with Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) or Grease-Hydraulic Systems - - (Material No.03LDA1) the nut of hydraulic pipe (5) and the hydraulic pipe (51).
     (r) Connect the hydraulic pipe (5) to the hydraulic pipe (51).
     (s) TORQUE the hydraulic pipe (5) to between 79.5 and 78.5 m.N (58.63 and 57.89 lbf.ft ) T.
     (t) Clean the component interfaces and the adjacent area.
     (u) Apply Silicone Sealant-High Temp. Brushable 200°C (Material No.06BJA4) around the flanged union of the hydraulic pipe (5).
     (v) Apply Silicone Sealant-High Temp. Brushable 200°C (Material No.06BJA4) on the anchor nuts after you assemble all the parts.
     (w) Identify the tightened union nuts with a red line
(Ref. AMM TASK 20-23-22-910-001).
     (x) Tighten the bolts (10).
   (29) Installation of the hydraulic pipe (6):
     (a) Install the bushing (28) on the hydraulic pipe (6).
     (b) Put the hydraulic pipe (6) in position.
     (c) Installation of the clamp blocks (30):
       1 Install the bolts (32) and the washers (31) that attach the clamp blocks (30) to the structure. Do not tighten the bolts (32) at this time.
     (d) Installation of the two clamps (8):
       1 Install the clamps (8) on the hydraulic pipe (6).
       2 Install the bolts (10) and the washers (9) that attach the clamps (8) to the structure. Do not tighten the bolts (10) at this time.
     (e) Lightly lubricate with Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) or Grease-Hydraulic Systems - - (Material No.03LDA1) the nut of the hydraulic pipe (6) and the hydraulic pipe (50).
     (f) Connect the hydraulic pipe (6) to the hydraulic pipe (50).
     (g) TORQUE the hydraulic pipe (6) to between 32 and 29 m.N (23.60 and 21.39 lbf.ft ) T.
     (h) Identify the tightened union nuts with a red line
(Ref. AMM TASK 20-23-22-910-001).
     (i) Lightly lubricate with Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) the nut of the hydraulic pipe (6) and the T-duct (41).
     (j) Connect the hydraulic pipe (6) to the T-duct (41).
     (k) TORQUE the hydraulic pipe (6) to between 32 and 29 m.N (23.60 and 21.39 lbf.ft ) T.
     (l) Clean the component interfaces and the adjacent area.
     (m) Apply Silicone Sealant-High Temp. Brushable 200°C (Material No.06BJA4) to fill the cavity between the structure and the hydraulic pipe (6).
     (n) Apply Silicone Sealant-High Temp. Brushable 200°C (Material No.06BJA4) on the anchor nuts after you assemble all the parts.
     (o) Identify the tightened union nuts with a red line (Ref. AMM TASK 20-23-22-910-001).
     (p) Tighten the bolts (10).
     (q) TORQUE the bolts (32) to between 3.1 and 2.5 m.N (27.43 and 22.12 lbf.in ) T.
   (30) Installation of the hydraulic pipe (4):
     (a) Install the bushing (27) on the hydraulic pipe (4).
     (b) Put the hydraulic pipe (4) in position.
     (c) Installation of the two clamps (11):
       1 Install the clamps (11) on the hydraulic pipe (4).
       2 Install the bolts (13) and the washers (12) that attach the clamps (11) to the structure. Do not tighten the bolts (13) at this time.
     (d) Lightly lubricate with Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) the nut of the hydraulic pipe (4) and the coupling (42).
     (e) Connect the hydraulic pipe (4) to the coupling (42).
     (f) TORQUE the hydraulic pipe (4) to between 95 and 85 m.N (70.06 and 62.68 lbf.ft ) T.
     (g) Identify the tightened union nuts with a red line
(Ref. AMM TASK 20-23-22-910-001).
     (h) Lightly lubricate with Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) or Grease-Hydraulic Systems - - (Material No.03LDA1) the nut of the hydraulic pipe (4) and the hydraulic pipe (48).
     (i) Connect the hydraulic pipe (4) to the hydraulic pipe (48).
     (j) TORQUE the hydraulic pipe (4) to between 95 and 85 m.N (70.06 and 62.68 lbf.ft ) T.
     (k) Clean the component interfaces and the adjacent area.
     (l) Apply Silicone Sealant-High Temp. Brushable 200°C (Material No.06BJA4) to fill the cavity between the structure and the hydraulic pipe (4).
     (m) Identify the tightened union nuts with a red line
(Ref. AMM TASK 20-23-22-910-001).
     (n) Tighten the bolts (13).
   (31) Tighten the bolts (125) on the plate (124) of the ICU .
   (32) Apply Silicone Sealant-High Temp. - 200°C (Material No.06BJB4) around the ICU connector (47).
   (33) Installation of the half clamp blocks (23) and (24):
NOTE: It is necessary to install the half clamp blocks (23) and (24) after installation of the hydraulic pipes (3), (4), (5) and (6).
     (a) Put the half clamp block (23) in position.
     (b) Hold the half clamp block (23) and install the bolts (18) and (21) and the washers (17) and (22) with the nuts (25). Do not tighten the nuts (25) at this time.
     (c) Make sure that the bushings (26), (27), (28) and (29) are installed in the correct position on the clamp block (23).
     (d) Put the half clamp block (24) in position.
     (e) Hold the half clamp block (24) and install the bolts (16) and the washers (15) with the nuts (25). Do not tighten the nuts (25) at this time.
     (f) Install the bolts (20), washers (19) and nuts (14) that attach the half clamp block (23) to the half clamp block (24).
     (g) Tighten the nuts (14).
     (h) Tighten the nuts (25).
   (34) Tighten the bolts (125) on the plate (124) of the ICU .
   (35) Apply Silicone Sealant-High Temp. - 200°C (Material No.06BJB4) around the ICU connector (47).
Subtask 29-11-49-420-132-A
D. 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 26-21-49-400-804).
   (3) Install the bleed-air precooler exchanger (Ref. AMM TASK 36-11-42-400-804).
Subtask 29-11-49-440-069-A
E. Do the reactivation of the thrust reverser system after maintenance (Ref. AMM TASK 78-30-00-440-809).
Subtask 29-11-49-710-087-A
F. Operational Test
   (1) Do the operational test of the Green hydraulic system (Ref. AMM TASK 29-11-00-710-001).
     (a) After the dry-motoring, make sure that there are no leaks on the hydraulic connections.
   (2) Do the bleeding procedure of the Green hydraulic system downstream of the engine pump (after maintenance) (Ref. AMM TASK 29-00-00-870-003).
   (3) Do the thrust reverser cycling test (menu mode) (Ref. AMM TASK 73-29-00-740-804).
   (4) Make sure that the level of the hydraulic fluid in the Green reservoir is correct. If necessary, fill the reservoir (Ref. AMM TASK 12-12-29-611-001).
5. Close-up
Subtask 29-11-49-410-118-A
A. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Install this access panel (Ref. AMM TASK 54-53-11-400-806):
     (a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
   (3) Install this access panel (Ref. AMM TASK 54-51-21-400-803):
     (a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
   (4) Install these access skin panels (Ref. AMM TASK 54-52-11-400-807):
     (a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
   (5) Install this rear pylon fairing (Ref. AMM TASK 54-54-00-400-803):
     (a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
   (6) Install this rear mount-fairing door (Ref. AMM TASK 54-57-22-400-815):
     (a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
   (7) Install the rear mount-fairing assembly (Ref. AMM TASK 54-57-22-400-818).
   (8) Remove the CONTAINER 5 L (1.32 USGAL) below the hydraulic lines.
   (9) Close the fan cowl doors (Ref. AMM TASK 71-13-00-410-803):
     (a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL 438AR
   (10) Remove the access platform(s).
   (11) On FLAPS panel 114VU:
     (a) Remove the flap/slat control-lever locking-tool (Ref. AMM TASK 27-00-00-080-002).
   (12) Remove the WARNING NOTICE(S).
Subtask 29-11-49-862-062-A
B. De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).
[Rev.10 from 2021] 2026.04.01 00:17:58 UTC
"Aviabrain" 2025