W DOC AIRBUS | AMM A320F

Installation of the VSV Actuating Levers [IAE]


TASK 75-32-42-400-010-B-01
Installation of the VSV Actuating Levers


1. Reason for the Job
This task is for A5 engines only, which have SBE 72-0564 incorporated.
The installation procedure given here is for the installation of one or some of the VSV actuating levers.
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
AR
WARNING NOTICE(S)
No specific
Torque wrench: range to between 105 and 85 lbf.in (1.19 and 0.96 m.daN ) T
 B. 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
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 70-23-11-911-013-A
General Torque Tightening Techniques
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 74-11-38-400-010-A
Installation of the Ignition Exciter
TASK 75-24-52-400-010-A
Installation of the High Pressure Turbine/Low Pressure Turbine (HPT/LPT) Valve Actuator
TASK 75-31-42-400-010-B
Installation of the Low Pressure Compressor (LPC) Bleed-Master Actuator
TASK 75-31-43-400-010-B
Installation of the Low Pressure Compressor (LPC) Bleed-Slave Actuator
TASK 75-32-41-400-010-A-01
Installation of the Variable Stator Vane (VSV) Actuator (SBE 75-0122, Type G4000VSVA Series)
TASK 75-32-42-200-010-B-01
Inspection of the VSV Mechanism
TASK 75-32-42-400-011-B-01
Installation of the VSV System Control Rods
TASK 75-32-42-400-012-B-01
Installation of the VSV System Crankshaft Assembly
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 75-32-42-860-061-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 maintenance panel 50VU, make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
   (3) Make sure that a WARNING NOTICE(S) is in position to tell persons not to energize the FADEC 1(2).
Subtask 75-32-42-010-107-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 75-32-42-040-081-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 75-32-42-420-070-A ** ON A/C NOT FOR ALL
A. Install the VSV Actuating Levers
CAUTION: MAKE SURE THE VANE SPINDLE IS FULLY ENGAGED INTO THE LEVER.
   (1) Put the actuating lever (2) into position on the vane spindle.
   (2) Install the bolt (1).
   (3) TORQUE the bolt (1) to between 105 and 85 lbf.in (1.19 and 0.96 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
Subtask 75-32-42-410-103-A ** ON A/C NOT FOR ALL
B. Install the Drive Brackets, if Removed
   (1) Install the drive bracket VSV3:
     (a) Put the drive bracket (2) into position.
     (b) Install the two bolts (4) and two nuts (3).
     (c) TORQUE the two nuts (3) to between 105 and 85 lbf.in (1.19 and 0.96 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
     (d) Install the tie rod (1) to the drive bracket (2) (Ref. AMM TASK 75-32-42-400-011).
   (2) Install the drive bracket VSV4:
     (a) Put the drive bracket (10) into position.
     (b) Install the two bolts (12) and two nuts (11).
     (c) TORQUE the two nuts (11) to between 105 and 85 lbf.in (1.19 and 0.96 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
     (d) Install the tie rod (9) to the drive bracket (10) (Ref. AMM TASK 75-32-42-400-011).
   (3) Install the drive bracket VSV5:
     (a) Put the drive bracket (6) into position.
     (b) Install the two bolts (8) and two nuts (5).
     (c) TORQUE the two nuts (5) to between 105 and 85 lbf.in (1.19 and 0.96 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
     (d) Install the tie rod (7) to the drive bracket (6) (Ref. AMM TASK 75-32-42-400-011).
Subtask 75-32-42-410-104-A ** ON A/C NOT FOR ALL
C. Install the VSV crankshaft assembly, if removed (Ref. AMM TASK 75-32-42-400-012).
Subtask 75-32-42-410-105-A ** ON A/C NOT FOR ALL
D. Install the VSV actuator, if removed (Ref. AMM TASK 75-32-41-400-010).
Subtask 75-32-42-410-106-A ** ON A/C NOT FOR ALL
E. Install the ignition exciter, if removed (Ref. AMM TASK 74-11-38-400-010).
Subtask 75-32-42-410-107-A ** ON A/C NOT FOR ALL
F. Install the ACC actuator, if removed (Ref. AMM TASK 75-24-52-400-010).
Subtask 75-32-42-410-108-A ** ON A/C NOT FOR ALL
G. Install the LPC bleed master actuator, if removed (Ref. AMM TASK 75-31-42-400-010).
Subtask 75-32-42-410-109-A ** ON A/C NOT FOR ALL
H. Install the LPC bleed slave actuator, if removed (Ref. AMM TASK 75-31-43-400-010).
Subtask 75-32-42-220-062-A ** ON A/C NOT FOR ALL
I. Do a check of the force necessary to move the VSV mechanism (Ref. AMM TASK 75-32-42-200-010).
5. Close-up
Subtask 75-32-42-410-110-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 75-32-42-440-068-A ** ON A/C NOT FOR ALL
B. Activate the thrust reverser HCU (Ref. AMM TASK 78-30-00-440-012).
Subtask 75-32-42-410-111-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 WARNING NOTICE(S).
[Rev.10 from 2021] 2026.04.01 03:12:04 UTC