W DOC AIRBUS | AMM A320F

Replace Wing Anti-Icing Filter

TASK 30-11-51-960-001-A
Replace Wing Anti-Icing Filter

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: MAKE SURE THAT THE PNEUMATIC SYSTEM IS DEPRESSURIZED BEFORE YOU START WORK. PRESSURIZED AIR CAN CAUSE INJURY TO PERSONNEL.
WARNING: DO NOT TOUCH THE ANTI-ICE DUCTS UNTIL THEY ARE COOL. THE TEMPERATURE OF THE DUCTS STAYS HIGH FOR SOME TIME AFTER THE ENGINE STOPS.
ZONE: 520
ZONE: 620
1. Reason for the Job
Refer to the MPD TASK: 301151-01
REPLACE WING ANTI-ICING FILTER
NOTE: The wing anti-ice control valve is an interchangeable part.
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
AR
SAFETY BARRIER(S)
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
No specific
AR
WARNING NOTICE(S)
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
520
LEFT WING FIXED LEADING EDGE
620
RIGHT WING FIXED LEADING EDGE
 C. Expendable Parts
FIG.ITEM
DESIGNATION
IPC-CSN
4
FILTER
AIPC 30-11-51-02-180
 D. Referenced Information
REFERENCE
DESIGNATION
TASK 30-11-51-000-002-A
Removal of the Anti-Ice Valve Filter
TASK 30-11-51-400-002-A
Installation of the Anti-Ice Valve Filter
F Anti-Ice Valve Filter (SAS911-002A and SAS912-002A) ** ON A/C NOT FOR ALL
F Anti-Ice Valve Filter (SAS911-002A and SAS912-002A) ** ON A/C NOT FOR ALL
3. Job Set-up
Subtask 30-11-51-941-058-A
A. Safety Precautions
   (1) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
   (2) Before you do work on the ice protection system, put WARNING NOTICE(S) in position to tell persons not to operate the:
  • pneumatic system
  • engines
  • slats
  • APU switch.
   (3) On panel 191DB, put a WARNING NOTICE(S) in position to tell persons not to pressurize the bleed air system.
Subtask 30-11-51-865-056-A
B. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/SLT/CTL AND MONG/SYS15CVB06
** ON A/C ALL
49VUANTI ICE/WING/CTL2DLC02
49VUANTI ICE/WING/MONG1DLC01
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/SLT/CTL AND MONG/SYS15CVB01
** ON A/C ALL
121VUFLIGHT CONTROLS/SLT/CTL/SYS27CVR21
4. Procedure
Subtask 30-11-51-960-050-A
A. Replacement of the Wing Anti-Ice Valve-Filter (for the Part Numbers (PN) SAS911-002A and SAS912-002A)
NOTE: The wing anti-ice control-valve with the PN SAS912-002A is not approved for the Extended Range Operations for Two-Engine Aeroplanes (ETOPS).
   (1) Remove the filter (4) from the wing anti-ice control-valve (Ref. AMM TASK 30-11-51-000-002).
   (2) Install the new AIPC 30-11-51-02-180 FILTER (4) in the wing anti-ice control-valve (Ref. AMM TASK 30-11-51-400-002).
5. Close-up
Subtask 30-11-51-865-057-A
A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/SLT/CTL AND MONG/SYS15CVB06
** ON A/C ALL
49VUANTI ICE/WING/CTL2DLC02
49VUANTI ICE/WING/MONG1DLC01
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/SLT/CTL AND MONG/SYS15CVB01
** ON A/C ALL
121VUFLIGHT CONTROLS/SLT/CTL/SYS27CVR21
Subtask 30-11-51-942-052-A
B. Removal of Equipment
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Remove the safety barriers.
   (3) Remove the WARNING NOTICE(S).
   (4) Remove the access platform(s).
   (5) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
[Rev.10 from 2021] 2026.04.01 00:28:32 UTC
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