W DOC AIRBUS | AMM A320F

Installation of the Left Variable Stator Vane (VSV) Actuator [CFML]

TASK 75-32-05-400-802-A
Installation of the Left Variable Stator Vane (VSV) Actuator

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: 4022KS11
FIN: 4022KS12
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 1M(3 FT)
No specific
1
PLIERS - JAWED, SOFT
No specific
AR
WARNING NOTICE(S)
No specific
Torque wrench: range to between 38 and 32 lbf.in (0.43 and 0.36 m.daN ) T
No specific
Torque wrench: range to between 124 and 106 lbf.in (1.40 and 1.20 m.daN ) T
No specific
Torque wrench: range to between 308 and 262 lbf.in (3.48 and 2.96 m.daN ) T
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.CP2442)
engine oil
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL, 438AR, 451AL
FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL, 448AR, 461AL
 D. Expendable Parts
FIG.ITEM
DESIGNATION
IPC-CSN
54
GASKET SEAL
EIPC 73-00-00-20-610
 E. Referenced Information
REFERENCE
DESIGNATION
TASK 70-70-00-910-804-A
Electrical Standard Practices
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 72-24-01-400-801-A
Installation of Segment Shrouds 1 thru 5
TASK 72-24-80-400-801-A
Installation of the Variable Bleed Valve (VBV) Ducts
TASK 73-29-00-740-802-A
Actuators Test (Menu Mode)
TASK 75-31-05-400-801-A
Installation of the Left Variable Bleed Valve (VBV) Actuator
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
TASK 78-36-00-010-806-A
Opening of the Thrust Reverser Cowl Doors
TASK 78-36-00-410-806-A
Closing of the Thrust Reverser Cowl Doors
F Left Variable Stator Vane (VSV) Actuator (PRE and POST SB 72-0268)
3. Job Set-up
Subtask 75-32-05-941-054-A
A. Safety Precautions
   (1) On the center pedestal, on ENG panel 115VU:
     (a) Make sure that the ENG/MODE selector switch is in the NORM position.
     (b) 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.
     (c) Make sure that the 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.
   (2) On the ENG section of maintenance panel 50VU:
     (a) Make sure that the ON legend of the FADEC GND PWR/1(2) pushbutton switch is off.
     (b) Make sure that the WARNING NOTICE(S) is in position to tell persons not to energize FADEC 1(2).
Subtask 75-32-05-010-060-A
B. 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)
437AL 438AR
     (b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL 448AR
   (2) Make sure that the ACCESS PLATFORM 1M(3 FT) is in position.
Subtask 75-32-05-040-055-A
C. Deactivation of the Thrust Reverser System for Ground 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 ground maintenance (Ref. AMM TASK 78-30-00-040-809).
Subtask 75-32-05-010-061-A
D. Get Access
   (1) Make sure that the left thrust-reverser cowl-door is open (Ref. AMM TASK 78-36-00-010-806):
     (a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
451AL
     (b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
461AL
4. Procedure
Subtask 75-32-05-420-051-A
A. Installation of the Left Variable Stator Vane (VSV) Actuator
   (1) Remove all the COVER - PROTECTION and CAP - PROTECTION from the openings, tubes, hoses and connectors.
   (2) Install the sleeve (68) in the left VSV actuator (49).
   (3) Apply engine oil (Material No.CP2442) on the threads of the bolt (58), bolt (59), bolt (66) and bolt (70).
   (4) Put the VSV actuator (49) in position on the bell crank assembly (52).
   (5) Install the bolt (66) and nut (67) that attach left VSV actuator (49) to the bell crank assembly (52) hand-tight.
   (6) Install the bolt (70), spacer (69) and nut (71) that attach the bell crank assembly (52) to the left VSV actuator (49) hand-tight.
   (7) Install the bolt (59), bushing (60), washer (62) and nut (63) that attach the connecting link (61) to the left VSV actuator rod (51) hand-tight.
   (8) Install the bolt (58), bushing (57), washer (65) and nut (64) that attach the connecting link (61) and the left VSV actuator rod (51) to the bell crank assembly (52) hand-tight.
   (9) TORQUE the nut (63), nut (64), nut (67) and nut (71) to between 124 and 106 lbf.in (1.40 and 1.20 m.daN ) T.
   (10) Connect the left Variable Bleed Valve (VBV) connector (79) to the left VBV actuator (78) (Ref. AMM TASK 75-31-05-400-801).
   (11) Install a new EIPC 73-00-00-20-610 GASKET SEAL (54) between the fuel-hydraulic VSV tube-hose (50) and the left VSV actuator (49).
   (12) Apply engine oil (Material No.CP2442) on the threads of the four bolts (55).
   (13) Install the four bolts (55) that attach the fuel-hydraulic VSV tube-hose (50) to the left VSV actuator (49).
   (14) TORQUE the four bolts (55) to between 124 and 106 lbf.in (1.40 and 1.20 m.daN ) T.
   (15) Connect the drain tube (56) B-nut to the left VSV actuator (49).
   (16) TORQUE the drain tube (56) B-nut to between 308 and 262 lbf.in (3.48 and 2.96 m.daN ) T.
   (17) Connect the electrical connector (53) to the left VSV actuator (49). Use PLIERS - JAWED, SOFT, if necessary (Ref. AMM TASK 70-70-00-910-804).
   (18) Connect the T-3 sensor connector (77) to the T-3 sensor (76).
   (19) Connect the Low Pressure Turbine Active Clearance Control (LPTACC) valve connector (74) to the LPTACC valve (75).
   (20) Connect the High Pressure Turbine Active Clearance Control (HPTACC) connector (72) to the HPTACC valve (73).
   (21) Install the bolt (44) that attaches the loop clamp (43) to the support bracket (41).
   (22) TORQUE the bolt (44) to between 38 and 32 lbf.in (0.43 and 0.36 m.daN ) T.
   (23) Install the No. 6 VBV duct (Ref. AMM TASK 72-24-80-400-801).
   (24) Install the engine kit segment shroud 5 (Ref. AMM TASK 72-24-01-400-801).
Subtask 75-32-05-710-052-A
B. Test(s)
   (1) Do the actuators test (menu mode) (Ref. AMM TASK 73-29-00-740-802).
5. Close-up
Subtask 75-32-05-410-054-A
A. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Close the left thrust-reverser cowl-door (Ref. AMM TASK 78-36-00-410-806):
     (a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
451AL
     (b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
461AL
Subtask 75-32-05-440-052-A
B. Do the reactivation of the thrust reverser system after ground maintenance (Ref. AMM TASK 78-30-00-440-809).
Subtask 75-32-05-410-055-A
C. Close Access
   (1) Close the fan cowl doors (Ref. AMM TASK 71-13-00-410-803):
     (a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL 438AR
     (b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL 448AR
   (2) Remove the access platform(s).
   (3) Remove the WARNING NOTICE(S).
[Rev.10 from 2021] 2026.04.01 12:57:46 UTC
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