W DOC AIRBUS | AMM A320F

Installation of the HP Active Clearance Control (ACC) Manifold [IAE]


TASK 75-24-48-400-010-A
Installation of the HP Active Clearance Control (ACC) Manifold


WARNING: BE CAREFUL WHEN YOU DO WORK ON THE ENGINE PARTS AFTER THE ENGINE SHUTDOWN. USE APPLICABLE THERMAL GLOVES. THE ENGINE PARTS CAN STAY HOT FOR ONE HOUR AFTER SHUTDOWN AND CAN BURN YOU.
WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
FIN: 1000EM1 ** ON A/C NOT FOR ALL
FIN: 1000EM2 ** ON A/C NOT FOR ALL
1. Reason for the Job
This task gives the procedure for the installation of one or some of the Turbine CLG Manifold Assembly.
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
WARNING NOTICE(S)
No specific
Torque wrench: range to between 40 and 36 lbf.in (0.45 and 0.41 m.daN ) T
No specific
Torque wrench: range to between 45 and 36 lbf.in (0.51 and 0.41 m.daN ) T
No specific
Torque wrench: range to between 85 and 75 lbf.in (0.96 and 0.85 m.daN ) T
No specific
Torque wrench: range to between 105 and 85 lbf.in (1.19 and 0.96 m.daN ) T
No specific
Torque wrench: range to between 177 and 159 lbf.in (2.00 and 1.80 m.daN ) T
No specific
Torque wrench: range to between 175 and 160 lbf.in (1.98 and 1.81 m.daN ) T
No specific
Torque wrench: range to between 248 and 230 lbf.in (2.80 and 2.60 m.daN ) T
No specific
Torque wrench: range to between 310 and 283 lbf.in (3.50 and 3.20 m.daN ) T
No specific
Torque wrench: range to between 434 and 398 lbf.in (4.90 and 4.50 m.daN ) T
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.V02-119)
lockwire
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
FOR [1000EM1] (ENGINE-1)
437AL, 438AR, 451AL, 452AR
FOR [1000EM2] (ENGINE-2)
447AL, 448AR, 461AL, 462AR
 D. Expendable Parts
FIG.ITEM
DESIGNATION
IPC-CSN
11
GASKET
AIPC 75-24-48-82-050
 E. Referenced Information
REFERENCE
DESIGNATION
TASK 26-12-17-400-010-A
Installation of the Core Fire Detectors
TASK 70-23-11-911-013-A
General Torque Tightening Techniques
TASK 70-23-13-911-010-A
Procedures for the Installation of Preformed Packings
TASK 71-00-00-710-012-B
Test No.3 : Idle Leak Check
TASK 71-13-00-010-010-A
Opening of the Fan Cowls 437AL(447AL),438AR(448AR)
TASK 71-13-00-410-010-A
Closing of the Fan Cowls 437AL(447AL),438AR(448AR)
TASK 75-22-41-400-010-A
Installation of the No. 4 Bearing Compartment Air Cooler
TASK 75-23-49-400-010-A
Installation of the Turbine Cooling Air (TCA) Tubes
TASK 75-24-49-400-010-B
Installation of the Low Pressure (LP) Turbine Active Clearance Control (ACC) Manifold and Tubes
TASK 77-21-43-400-010-B
Installation of the Exhaust Gas Temperature (EGT) Harness and Junction Box (PRE SB 77-0015 and POST SB 77-0015)
TASK 78-30-00-040-012-A
Deactivation of the Thrust Reverser Hydraulic Control Unit (HCU) for Ground Maintenance
TASK 78-30-00-440-012-A
Re-activation of the Thrust Reverser Hydraulic Control Unit (HCU) after Ground Maintenance
TASK 78-32-00-010-010-A
Opening of the Thrust Reverser Halves
TASK 78-32-00-410-010-A
Closing of the Thrust Reverser Halves
3. Job Set-up
Subtask 75-24-48-860-050-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
   (1) On the center pedestal, on the ENG panel 115VU, make sure that a WARNING NOTICE(S) is in position to tell persons not to start the engine.
   (2) On the overhead maintenance panel 50VU, make sure that the ON legend of the ENG/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 the FADEC 1(2).
   (3) Make sure that the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE is in position.
Subtask 75-24-48-010-051-A ** ON A/C NOT FOR ALL
B. Get Access
   (1) Make sure that the fan cowl doors are open (Ref. AMM TASK 71-13-00-010-010):
     (a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
     (b) FOR [1000EM2] (ENGINE-2)
447AL 448AR
   (2) Make sure that the thrust reverser doors are open (Ref. AMM TASK 78-32-00-010-010):
     (a) FOR [1000EM1] (ENGINE-1)
451AL 452AR
     (b) FOR [1000EM2] (ENGINE-2)
461AL 462AR
Subtask 75-24-48-040-050-A ** ON A/C NOT FOR ALL
C. Make sure that the thrust reverser Hydraulic Control Unit (HCU) is deactivated: (Ref. AMM TASK 78-30-00-040-012)
4. Procedure
Subtask 75-24-48-420-050-A ** ON A/C NOT FOR ALL
A. Install the turbine CLG manifold assembly.
F Active Clearance Control Manifold ** ON A/C NOT FOR ALL
F Active Clearance Control Manifold ** ON A/C NOT FOR ALL
F Turbine CLG Manifold Assembly ** ON A/C NOT FOR ALL
   (1) Put the turbine CLG manifold (4) in position on the engine.
   (2) Make sure that the turbine CLG manifold assembly (4) engages in the HPT/LPT ACC air valve.
   (3) Install the two bolts (26) and the two nuts (27) that attach the turbine CLG manifold assembly (4) to the flange FM.
   (4) TORQUE the two nuts (27) to between 175 and 160 lbf.in (1.98 and 1.81 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
   (5) Install the two clips (24) and the two bolts (25) that attach the turbine CLG manifold assembly (4) to the brackets on the flange FN.
   (6) TORQUE the two bolts (25) to between 40 and 36 lbf.in (0.45 and 0.41 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
Subtask 75-24-48-420-051-A ** ON A/C NOT FOR ALL
B. Install the left turbine CLG manifold assembly.
Pre SBE 75-0013
F Active Clearance Control Manifold ** ON A/C NOT FOR ALL
F Active Clearance Control Manifold ** ON A/C NOT FOR ALL
F Active Clearance Control Manifold ** ON A/C NOT FOR ALL
   (1) Install the twelve clips (32), (38) and (41) to the four TCC tube assemblies (5), (7), (8) and (9).
   (2) Put the three brackets (28), (34) and (45) in position on the four TCC tube assemblies (5), (7), (8) and (9).
   (3) Loosely install the twelve bolts (33), (39) and (40) and the twelve nuts (31), (37) and (42) to the three brackets (28), (34) and (45).
   (4) Put the left turbine CLG manifold assembly (6) in to position on the engine. At the same time engage the TCC tube assemblies (5), (7), (8) and (9) in to the turbine CLG manifold assembly (4).
   (5) Attach the left turbine CLG manifold assembly (6) to the six brackets on the flange FM and the flange FN with the six bolts (29), (30), (35), (36), (43) and (44).
   (6) TORQUE the six bolts (29), (30), (35), (36), (43) and (44) to between 40 and 36 lbf.in (0.45 and 0.41 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
   (7) TORQUE the twelve nuts (31), (37) and (42) to between 40 and 36 lbf.in (0.45 and 0.41 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
Subtask 75-24-48-420-052-A ** ON A/C NOT FOR ALL
C. Install the left turbine CLG manifold assembly.
F Active Clearance Control Manifold ** ON A/C NOT FOR ALL
F Active Clearance Control Manifold ** ON A/C NOT FOR ALL
F Turbine CLG Manifold Assembly ** ON A/C NOT FOR ALL
SBE 75-0013
HPT ACC Tubes with improved maintainability features.
   (1) Install the eight clips (38) and (41) to the four TCC tube assemblies (5), (7), (8) and (9).
   (2) Put the two brackets (34) and (45) in position on the four TCC tube assemblies (5), (7), (8) and (9).
   (3) Loosely install the eight bolts (39) and (40) and the eight nuts (37) and (42) to the two brackets (34) and (45).
   (4) Put the left turbine CLG manifold assembly (6) in to position on the engine. At the same time engage the TCC tube assemblies (5), (7), (8) and (9) in to the turbine CLG manifold assembly (4).
   (5) Install the four bolts (53) to the turbine CLG manifold assembly (4).
   (6) TORQUE the four bolts (53) to between 40 and 36 lbf.in (0.45 and 0.41 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
   (7) Attach the left turbine CLG manifold assembly (6) to the four brackets on the flange FM and the flange FN with the four bolts (35), (36), (43) and (44).
   (8) TORQUE the four bolts (35), (36), (43) and (44) to between 40 and 36 lbf.in (0.45 and 0.41 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
   (9) TORQUE the eight nuts (37) and (42) to between 40 and 36 lbf.in (0.45 and 0.41 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
Subtask 75-24-48-420-053-A ** ON A/C NOT FOR ALL
D. Install the right turbine CLG manifold assembly.
F Active Clearance Control Manifold ** ON A/C NOT FOR ALL
F Active Clearance Control Manifold ** ON A/C NOT FOR ALL
F Active Clearance Control Manifold ** ON A/C NOT FOR ALL
Pre SBE 75-0013
   (1) Install the twelve clips (16), (22) and (49) to the four TCC tube assemblies (2), (3), (10) and (11).
   (2) Put the three brackets (14), (18) and (48) in position on the four TCC tube assemblies (2), (3), (10) and (11).
   (3) Loosely install the twelve bolts (15), (23) and (50), the twelve nuts (17), (21) and (47) to the three brackets (14), (18) and (48).
   (4) Put the right turbine CLG manifold assembly (1) in to position on the engine. At the same time engage the TCC tube assemblies (2), (3), (10) and (11) in to the turbine CLG manifold assembly (4).
   (5) Attach the right turbine CLG manifold assembly (1) to the six brackets on the flange FM and the flange FN with the six bolts (12), (13), (19), (20), (46) and (51).
   (6) TORQUE the six bolts (12), (13), (19), (20), (46) and (51) to between 40 and 36 lbf.in (0.45 and 0.41 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
   (7) TORQUE the twelve nuts (17), (21) and (47) to between 40 and 36 lbf.in (0.45 and 0.41 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
Subtask 75-24-48-420-054-A ** ON A/C NOT FOR ALL
E. Install the right turbine CLG manifold assembly.
F Active Clearance Control Manifold ** ON A/C NOT FOR ALL
F Active Clearance Control Manifold ** ON A/C NOT FOR ALL
F Turbine CLG Manifold Assembly ** ON A/C NOT FOR ALL
SBE 75-0013: HPT ACC Tubes with improved maintainability features.
   (1) Install the eight clips (16) and (49) to the four TCC tube assemblies (2), (3), (10) and (11).
   (2) Put the two brackets (14) and (48) in position on the four TCC tube assemblies (2), (3), (10) and (11).
   (3) Loosely install the eight bolts (15) and (50) and the eight nuts (17) and (47) to the two brackets (14) and (48).
   (4) Put the right turbine CLG manifold assembly (1) in to position on the engine. At the same time engage the TCC tube assemblies (2), (3), (10) and (11) in to the turbine CLG manifold assembly (4).
   (5) Install the four bolts (52) to the turbine CLG manifold assembly (4).
   (6) TORQUE the four bolts (52) to between 40 and 36 lbf.in (0.45 and 0.41 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
   (7) Attach the right turbine CLG manifold assembly (1) to the four brackets on the flange FM and the flange FN with the four bolts (12), (13), (46) and (51).
   (8) TORQUE the four bolts (12), (13), (46) and (51) to between 40 and 36 lbf.in (0.45 and 0.41 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
   (9) TORQUE the eight nuts (17) and (47) to between 40 and 36 lbf.in (0.45 and 0.41 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
END SBE 75-0013
Subtask 75-24-48-420-055-A ** ON A/C NOT FOR ALL
F. Install tubes:
   (1) Install the TCA tubes (Ref. AMM TASK 75-23-49-400-010).
   (2) Install the No. 4 bearing compartment air cooler (Ref. AMM TASK 75-22-41-400-010).
Subtask 75-24-48-420-056-A ** ON A/C NOT FOR ALL
G. Install the P4.9 pressure rake tube.
F P4.9 Pressure Rake Tube ** ON A/C NOT FOR ALL
   (1) Put the pressure rake tube (2) in to position on the engine.
   (2) Connect the union (3) at the forward end of the pressure rake tube (2).
   (3) Connect the union (1) at the rearward end of the pressure rake tube (2).
   (4) TORQUE the unions (1) and (3) to between 177 and 159 lbf.in (2.00 and 1.80 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
   (5) Install the clips (6) and (8), the spacers (7) and (9), the washer (5), the bolt (4) and the nut (10) at detail A.
   (6) Install the clip (24), the bolt (25), the washer (23) and the nut (22) at detail B.
   (7) Install the clips (19) and (20), the washer (18), the bolt (17) and the nut (21) at detail D.
   (8) Install the clips (13) and (14), the washers (12) and (15), the bolt (11) and the nut (16) at detail E.
   (9) TORQUE the nuts (10), (16), (21) and (22) to between 45 and 36 lbf.in (0.51 and 0.41 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
Subtask 75-24-48-420-057-A ** ON A/C NOT FOR ALL
H. Install the oil weep tube.
F Active Clearance Control Manifold ** ON A/C NOT FOR ALL
   (1) Put the oil weep tube (20) in to position on the engine.
   (2) Connect the union (19) at the forward end of the oil weep tube (20).
   (3) Connect the union (21) at the rearward end of the oil weep tube (20).
   (4) TORQUE the unions (19) and (21) to between 177 and 159 lbf.in (2.00 and 1.80 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
   (5) Install the clip (3), the washer (1) and the bolt (2) at detail A.
   (6) Install the clips (15) and (16), the washer (17), the bolt (18) and the nut (8) at detail B.
   (7) Install the clips (11), (8) and (6), the spacers (7), (9) and (10), the washers (5) and (12), the bolt (4) and the nut (13) at detail C.
   (8) Install the clip (24), the washer (23), the bolt (22) and the nut (25) at detail D.
   (9) TORQUE the bolt (2) and the nuts (13), (14) and (25) to between 45 and 36 lbf.in (0.51 and 0.41 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
Subtask 75-24-48-420-058-A ** ON A/C NOT FOR ALL
I. Install the No. 5 bearing oil scavenge tube.
F No. 5 Bearing Oil Scavenge Tube ** ON A/C NOT FOR ALL
Pre SBE 79-0011
   (1) Install a new AIPC 75-24-48-82-050 GASKET (11) into the rearward end of the oil scavenge tube (13) (Ref. AMM TASK 70-23-13-911-010).
   (2) Put the oil scavenge tube (13) in position on the engine.
   (3) Install the four bolts (12) and the four nuts (10) at the rearward end of the oil scavenge tube (13).
   (4) Connect the union (14) at the forward end of the oil scavenge tube (13).
   (5) TORQUE the union (14) to between 434 and 398 lbf.in (4.90 and 4.50 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
WARNING: USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
   (6) Safety the union (14) with lockwire (Material No.V02-119) .
   (7) TORQUE the four nuts (10) to between 105 and 85 lbf.in (1.19 and 0.96 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
WARNING: USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
   (8) Safety the bolts (12) with lockwire (Material No.V02-119) .
END Pre SBE 79-0011
Subtask 75-24-48-420-059-A ** ON A/C NOT FOR ALL
J. Install the No. 5 bearing oil scavenge tube.
F No. 5 Bearing Oil Scavenge Tube ** ON A/C NOT FOR ALL
SBE 79-0011: Changed No. 5 Bearing Oil Scavenge Tube Attaching Parts.
   (1) Install the AIPC 75-24-48-82-050 GASKET (11) into the rearward end of the oil scavenge tube (13) (Ref. AMM TASK 70-23-13-911-010).
   (2) Put the oil scavenge tube (13) in position on the engine.
   (3) Install the four bolts (12) and the two plates (15) on the rearward end of the oil scavenge tube (13).
   (4) Connect the union (14) at the forward end of the oil scavenge tube (13).
   (5) TORQUE the union (14) to between 434 and 398 lbf.in (4.90 and 4.50 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
WARNING: USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
   (6) Safety the union (14) with lockwire (Material No.V02-119) .
   (7) TORQUE the four bolts (12) to between 85 and 75 lbf.in (0.96 and 0.85 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
WARNING: USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
   (8) Safety the bolts (12) with lockwire (Material No.V02-119) .
END SBE 79-0011
Subtask 75-24-48-420-060-A ** ON A/C NOT FOR ALL
K. Install the clipping points to the No. 5 bearing oil scavenge tube.
F No. 5 Bearing Oil Scavenge Tube ** ON A/C NOT FOR ALL
   (1) Install the clip (3), the washer (2) and the bolt (1) at detail A.
   (2) Install the clip (6), the washer (5) and the bolt (4) at detail B.
   (3) Install the clip (9), the washer (8) and the bolt (7) at detail C.
   (4) TORQUE the bolts (1), (4) and (7) to between 45 and 36 lbf.in (0.51 and 0.41 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
Subtask 75-24-48-420-061-A ** ON A/C NOT FOR ALL
L. Install the No. 5 bearing oil feed tube.
F No. 5 Bearing Oil Feed Tube ** ON A/C NOT FOR ALL
   (1) Make sure that the restrictor (8) and the retaining ring (7) are in position in the forward end of the oil feed tube (9).
   (2) Put the oil feed tube (9) in to position on the engine.
   (3) Connect the unions (6) and (10) at each end of the oil feed tube (9).
   (4) TORQUE the union (6) at the forward end of the oil feed tube (9) to between 310 and 283 lbf.in (3.50 and 3.20 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
   (5) TORQUE the union (10) at the rearward end of the oil feed tube (9) to between 248 and 230 lbf.in (2.80 and 2.60 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
   (6) Install the clip (13), the washer (12) and the bolt (11) at detail A.
   (7) Install the clips (3) and (5), the spacer (4), the washer (2) and the bolt (1) at detail B.
   (8) TORQUE the bolts (1) and (11) to between 45 and 36 lbf.in (0.51 and 0.41 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
Subtask 75-24-48-420-062-B ** ON A/C NOT FOR ALL
M. Install the EGT harness (Ref. AMM TASK 77-21-43-400-010).
Subtask 75-24-48-420-063-B ** ON A/C NOT FOR ALL
N. Install the Active Clearance Control (ACC) rear duct and the tube connector (Ref. AMM TASK 75-24-49-400-010).
Subtask 75-24-48-420-064-A ** ON A/C NOT FOR ALL
O. Install the core zone fire detector (Ref. AMM TASK 26-12-17-400-010).
5. Close-up
Subtask 75-24-48-410-051-A ** ON A/C NOT FOR ALL
A. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Close the thrust reverser halves (Ref. AMM TASK 78-32-00-410-010):
     (a) FOR [1000EM1] (ENGINE-1)
451AL 452AR.
     (b) FOR [1000EM2] (ENGINE-2)
461AL 462AR.
Subtask 75-24-48-440-050-A ** ON A/C NOT FOR ALL
B. Activate the thrust reverser HCU (Ref. AMM TASK 78-30-00-440-012).
Subtask 75-24-48-410-052-A ** ON A/C NOT FOR ALL
C. Close Access
   (1) Close the fan cowls (Ref. AMM TASK 71-13-00-410-010):
     (a) FOR [1000EM1] (ENGINE-1)
437AL 438AR.
     (b) FOR [1000EM2] (ENGINE-2)
447AL 448AR.
   (2) Remove the access platform(s).
   (3) Remove the WARNING NOTICE(S).
Subtask 75-24-48-710-050-B ** ON A/C NOT FOR ALL
D. Do an idle leak check (Ref. AMM TASK 71-00-00-710-012).
[Rev.10 from 2021] 2026.04.01 13:08:43 UTC