Deactivation of the Wing Anti-Ice Control Valve to the CLOSED position

TASK 30-11-00-040-001-A
Deactivation of the Wing Anti-Ice Control Valve to the CLOSED position

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: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

FIN: 10DL
FIN: 9DL
Task Summary

Access	Test	Specific Tools	Mhr	E/T	Nb Men
YES	YES	YES	0.3	0.3	1

1. Reason for the Job
MMEL 30-11-01B
WING ANTI-ICE CONTROL VALVE

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	ACCESS PLATFORM 3M (10 FT)
No specific	AR	ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE
No specific	AR	PLACARD
No specific	AR	SAFETY BARRIER(S)
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	AR	WARNING NOTICE(S)
98D27803500001	1	LOCKING TOOL ZERO POS

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.14QFB1)	Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -
FOR [9DL] (VALVE-WING ANTI ICE CONTROL, L)
(Material No.14QFB1)	Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
FOR [10DL] (VALVE-WING ANTI ICE CONTROL, R)
622WB
622YB
FOR [9DL] (VALVE-WING ANTI ICE CONTROL, L)
522YB
522WB

D. Referenced Information

REFERENCE	DESIGNATION
TASK 31-60-00-860-001-A	EIS Start Procedure
TASK 31-60-00-860-002-A	EIS Stop Procedure
TASK 57-41-37-000-004-A	Removal of the Pressure Relief Panels
TASK 57-41-37-000-008-A	Removal of the Access Panel
TASK 57-41-37-400-002-A	Installation of the Pressure Relief Panels
TASK 57-41-37-400-008-A	Installation of the Access Panel
Wing Anti-Ice Control Valve (SAS 911-002A) - Component Location ** ON A/C NOT FOR ALL
Wing Anti-Ice Control Valve (38E93-X) - Component Location ** ON A/C NOT FOR ALL
Wing Anti-Ice Control Valve (SAS 911-002A) - Component Location ** ON A/C NOT FOR ALL
Wing Anti-Ice Control Valve (38E93-X) - Component Location ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 30-11-00-941-059-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 the WARNING NOTICE(S) in position to tell persons not to operate the:

Pneumatic system
Engines
Slats
APU.

(3) Install a 98D27803500001 LOCKING TOOL ZERO POS on the flap and slat control lever.
(4) On panel 191DB, put the WARNING NOTICE(S) in position to tell persons not to pressurize the bleed air system.

Subtask 30-11-00-860-056-A

B. Aircraft Maintenance Configuration
(1) Do the EIS start procedure (Ref. AMM TASK 31-60-00-860-001).

Subtask 30-11-00-865-052-A

C. Open, safety and tag this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1	5CV	B06
** ON A/C ALL
49VU	ANTI ICE/WING/CTL	2DL	C02
49VU	ANTI ICE/WING/MONG	1DL	C01
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1	5CV	B01
** ON A/C ALL
121VU	APU/APU/CTL	2KD	L42
121VU	FLIGHT CONTROLS/SLT/CTL/SYS2	7CV	R21

Subtask 30-11-00-010-052-B ** ON A/C NOT FOR ALL

D. Get Access
(1) Put an ACCESS PLATFORM 3M (10 FT) in position below zone 522(622).
(2) Remove the applicable access panel (Ref. AMM TASK 57-41-37-000-008):
(a) FOR [9DL] (VALVE-WING ANTI ICE CONTROL, L)

Remove 522WB from panel 522AB

(b) FOR [10DL] (VALVE-WING ANTI ICE CONTROL, R)

Remove 622WB from panel 622AB.

Subtask 30-11-00-010-052-C ** ON A/C NOT FOR ALL

D. Get Access
(1) Put an ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position below zone 522(622).
(2) Remove the applicable access panel (Ref. AMM TASK 57-41-37-000-004):
(a) FOR [9DL] (VALVE-WING ANTI ICE CONTROL, L)

Remove access panel 522YB.

(b) FOR [10DL] (VALVE-WING ANTI ICE CONTROL, R)

Remove access panel 622YB.

4. Procedure
Subtask 30-11-00-040-056-A

A. Deactivation of the Wing Anti-Ice Control-Valve to the CLOSED Position (for part number SAS 911-002A)

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.

(1) Remove and discard the lockwire from the bolt (1).
(2) Manually put the indicator (2) to the CLOSED position. This puts the wing anti-ice control-valve in the closed position.
(3) Remove the bolt (1) from its stowage position.
(4) Install the bolt (1) on the wing anti-ice control-valve through the hole of the indicator (2).
(5) Tighten the bolt (1) and safety with 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.

Subtask 30-11-00-040-057-A

B. Deactivation of the Wing Anti-Ice Control-Valve to the CLOSED Position (for part number 38E93-X)

(1) FOR [9DL] (VALVE-WING ANTI ICE CONTROL, L)
(a) Remove and discard the lockwire from the locking screw (10).
(2) FOR [9DL] (VALVE-WING ANTI ICE CONTROL, L)
(a) Make sure that the indicator (12) is in the CLOSED position.
(b) If necessary, move the indicator (12) to the CLOSED position with hand.
(3) FOR [10DL] (VALVE-WING ANTI ICE CONTROL, R)
(a) Make sure that the bolt (13) is adjacent to the CLOSED indication on the valve body.
(b) If necessary, move the rod (14) so that the bolt (13) is adjacent to the CLOSED indication.
(4) FOR [9DL] (VALVE-WING ANTI ICE CONTROL, L)
(a) Remove the locking screw (10) from its stowage position.
(5) FOR [9DL] (VALVE-WING ANTI ICE CONTROL, L)
(a) Install the locking screw (10) on the wing anti-ice control-valve through the locking hole (11) of the indicator (12).
(b) Safety the locking screw (10) with a 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.
(6) FOR [10DL] (VALVE-WING ANTI ICE CONTROL, R)
(a) Push the locking plate (15) to engage and lock the rod (14).

NOTE: The locking plate (15) has three positions:

When in its middle position, the locking plate (15) is unlocked.
When pushed fully left or fully right, the locking plate (15) locks the rod (14).

(b) Make sure that you hear a click when you put the locking plate (15) in the correct position.

5. Close-up
Subtask 30-11-00-410-052-B ** 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) Install the applicable access panel (Ref. AMM TASK 57-41-37-400-008):
(a) FOR [9DL] (VALVE-WING ANTI ICE CONTROL, L)

Install access panel 522WB.

(b) FOR [10DL] (VALVE-WING ANTI ICE CONTROL, R)

Install access panel 622WB.

Subtask 30-11-00-410-052-C ** 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) Install the applicable access panel (Ref. AMM TASK 57-41-37-400-002):
(a) FOR [9DL] (VALVE-WING ANTI ICE CONTROL, L)

Install access panel 522YB.

(b) FOR [10DL] (VALVE-WING ANTI ICE CONTROL, R)

Install access panel 622YB.

Subtask 30-11-00-865-061-A

B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1	5CV	B06
** ON A/C ALL
49VU	ANTI ICE/WING/CTL	2DL	C02
49VU	ANTI ICE/WING/MONG	1DL	C01
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1	5CV	B01
** ON A/C ALL
121VU	APU/APU/CTL	2KD	L42
121VU	FLIGHT CONTROLS/SLT/CTL/SYS2	7CV	R21

Subtask 30-11-00-860-055-A

C. Aircraft Configuration
(1) Make sure that the ECAM upper DU, on Panel 4VU, does not show the warning message: WING A.ICE L(R) VALVE OPEN. If necessary, on Panel 11VU press the EMER CANC pushbutton switch on the ECAM Control Panel to cancel the message.
(2) Do the EIS stop procedure (Ref. AMM TASK 31-60-00-860-002).
(3) Put a PLACARD in position to tell aircraft crew that one or two of the wing anti-ice control-valves are deactivated.
(4) Make an applicable entry in the aircraft technical log.

Subtask 30-11-00-942-055-A

D. Removal of Equipment
(1) Remove the safety barriers.
(2) Remove the WARNING NOTICE(S).
(3) Remove the access platform(s).
(4) Remove the ground support and maintenance equipment, the special and standard tools and all other items.

[Rev.10 from 2021] 2026.04.01 00:28:14 UTC