W DOC AIRBUS | AMM A320F

Removal of the Command Sensor Unit (CSU)

TASK 27-51-17-000-001-A
Removal of the Command Sensor Unit (CSU)

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.
ZONE: 210
FIN: 51CV
1. Reason for the Job
Self Explanatory
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
AR
CAP - BLANKING
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
210
CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 27-50-00-866-009-A
Retraction of the Flaps on the Ground
TASK 27-50-00-866-009-A-01
Retraction of the Flaps/Slats on the Ground
TASK 31-35-22-000-001-A
Removal of the Printer
F Command Sensor Unit (CSU) ** ON A/C NOT FOR ALL
F Command Sensor Unit (CSU) ** ON A/C NOT FOR ALL
3. Job Set-up
Subtask 27-51-17-860-050-A
A. Aircraft Maintenance Configuration
   (1) Make sure that the flaps and slats are in the fully retracted position (Ref. AMM TASK 27-50-00-866-009).
   (2) Make sure that the hydraulic systems are depressurized.
Subtask 27-51-17-865-050-A
B. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/SLT FLP/POS/IND 11CNB12
49VUFLIGHT CONTROLS/FLP/CTL AND MONG/SYS16CVB07
49VUFLIGHT CONTROLS/SLT/CTL AND MONG/SYS15CVB06
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/SLT FLP/POS/IND 11CNB07
49VUFLIGHT CONTROLS/FLP/CTL AND MONG/SYS16CVB02
49VUFLIGHT CONTROLS/SLT/CTL AND MONG/SYS15CVB01
** ON A/C ALL
105VUELEC/HOT BUS/702PP SPLY5PB2D02
105VUELEC/HOT BUS/701PP SPLY5PB1D01
105VUELEC/HOT BUS/702PP SPLY12PB2E02
105VUELEC/HOT BUS/701PP SPLY12PB1E01
** ON A/C NOT FOR ALL
121VUFLIGHT CONTROLS/SLT FLP/2POS/IND2CNP16
** ON A/C ALL
121VUFLIGHT CONTROLS/FLP/CTL AND/MONG/SYS28CVQ21
121VUFLIGHT CONTROLS/SLT/CTL/SYS27CVR21
** ON A/C NOT FOR ALL
121VUFLIGHT CONTROLS/SLT FLP/2POS/IND2CNP21
** ON A/C ALL
122VULIGHTING/INSTL LT/MAIN INST/PNL AND/PED4LFY04
4. Procedure
Subtask 27-51-17-020-054-A
A. Removal of the Printer
   (1) Remove the printer (Ref. AMM TASK 31-35-22-000-001).
Subtask 27-51-17-020-050-A ** ON A/C NOT FOR ALL
B. Removal of the Command Sensor Unit (CSU)
   (1) Remove the screws (1) and the washers (2).
   (2) Lift the control lever (9).
   (3) Disconnect the electrical connectors (7) and (6) from the CSU (5).
   (4) Disconnect the electrical connector (8) from the control lever (9).
   (5) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
   (6) Cut and discard the lockwire from the screws (3).
   (7) Remove the screws (3) and the washers (4).
   (8) Remove the CSU.
Subtask 27-51-17-020-050-B ** ON A/C NOT FOR ALL
B. Removal of the CSU
   (1) Remove the screws (1) and the washers (2).
   (2) Lift the control lever (9).
   (3) Disconnect the electrical connectors (7) and (6) from the CSU (5).
   (4) Disconnect the electrical connector (8) from the control lever (9).
   (5) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
   (6) Cut and discard the lockwire from the screws (3), (10).
   (7) Remove the screws (3), (10) and the washers (4).
   (8) Remove the CSU.
[Rev.10 from 2021] 2026.03.31 23:52:30 UTC
"Aviabrain" 2025