Discard Wing Anti Ice Tapping Seals

TASK 36-11-48-960-802-A
Discard Wing Anti Ice Tapping Seals

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 GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING GEAR. THIS WILL PREVENT UNWANTED MOVEMENT OF THE LANDING GEAR, AND THUS POSSIBLE INJURY TO PERSONS AND DAMAGE TO THE AIRCRAFT AND/OR EQUIPMENT.

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

ZONE: 521
ZONE: 621

1. Reason for the Job
Refer to the MPD TASK: 361101-05
DISCARD SEALS 32.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE
No specific	1	LOCALLY MANUFACTURED - BLANKING CAP
No specific	AR	SAFETY BARRIER(S)
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	AR	WARNING NOTICE(S)
No specific	Torque wrench: range to between 5.10 and 3.90 m.N (45.13 and 34.51 lbf.in )
98D27803000000	1	LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.04SAB2)	Varnish Polyurethane-- Marking Structure
(Material No.08BAA9)	Non Aqueous Cleaner-General - -
(Material No.14QAD1)	Wire-- Stainless Steel Braided -
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
521	INBOARD FIXED L.E STRUCTURE
621	INBOARD FIXED L.E STRUCTURE
521AB, 521BB, 521BT, 521CB, 521EB, 621AB, 621BB, 621BT, 621CB, 621EB

D. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
9	SEALS	AIPC 36-11-85-01-440

E. Referenced Information

REFERENCE	DESIGNATION
TASK 20-28-00-912-802-A	Electrical Bonding - General Maintenance Procedure
TASK 27-00-00-080-002-A	Removal of the Flap/Slat Control-Lever Locking Tool (98D27803000000)
TASK 27-00-00-480-002-A	Installation of the Flap/Slat Control-Lever Locking Tool (98D27803000000)
TASK 27-80-00-866-004-A	Extending the Slats on the Ground
TASK 27-80-00-866-005-A	Retracting the Slats on the Ground
TASK 36-11-48-790-001-A	Perform Leak Check on Bleed Air Ducting in Wing Area between Bleed Air Precooler, Wing Anti Ice Valve and Wing/Fuselage Connection
TASK 57-41-37-000-004-A	Removal of the Pressure Relief Panels
TASK 57-41-37-000-005-A	Removal of the NACA Duct Panel
TASK 57-41-37-000-009-A	Removal of the Access Panel
TASK 57-41-37-400-002-A	Installation of the Pressure Relief Panels
TASK 57-41-37-400-005-A	Installation of the NACA Duct Panel
TASK 57-41-37-400-009-A	Installation of the Access Panel
Wing Anti-Ice Tapping-Seal

3. Job Set-up
Subtask 36-11-48-941-066-A

A. Safety Precautions
(1) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
(2) On AIR COND overhead panel 30VU, put the WARNING NOTICE(S) in position to tell persons not to operate the pneumatic systems.

Subtask 36-11-48-860-073-A

B. Aircraft Maintenance Configuration

WARNING: MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS SURFACES ARE CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.

(1) Fully extend the slats (Ref. AMM TASK 27-80-00-866-004).
(2) On center pedestal panel 114VU:
(a) Install the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION in position on the flap/slat control lever (Ref. AMM TASK 27-00-00-480-002).
(b) Put the WARNING NOTICE(S) in position to tell persons not to operate the flap/slat controls.

Subtask 36-11-48-865-082-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
49VU	ENGINE/2/FADEC A/AND EIU 2	2KS2	A05
49VU	ENGINE/1/FADEC A/AND EIU 1	2KS1	A04
49VU	ENGINE/1 AND 2/IGN/SYS A	1JH	A03
49VU	FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1	5CV	B01
49VU	AIR BLEED/ENG 1/CTL	2HA1	D11
121VU	ENGINE/IGN/ENG2/SYS B	3JH2	P42
121VU	ENGINE/IGN/ENG1/SYS B	3JH1	P41
121VU	ENGINE/ENG2/FADEC B/AND EIU2	4KS2	R41
121VU	ENGINE/ENG1/FADEC B/AND EIU 1	4KS1	R40
121VU	FLIGHT CONTROLS/SLT/CTL/SYS2	7CV	R21
122VU	AIR BLEED/ENG 2/CTL	2HA2	Z22

Subtask 36-11-48-010-064-A

D. Get Access
(1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position below the applicable access panels.
(2) Remove the applicable access panels:
(a) For the left wing:

(b) For the right wing:

4. Procedure
Subtask 36-11-48-020-097-A

A. Removal of the Wing Anti-Icing Tapping-Seals

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) Cut, remove and discard the Wire-- Stainless Steel Braided - (Material No.14QAD1) from the insulation muff (11).
(2) Remove the insulation muff (11).
(3) Remove the nut (2), the washer (3) and the screw (5).
(a) Disconnect the bonding lead (6) from the duct assembly (4).
(4) Remove the clamp (7) from the bleed air duct (8).
(5) Remove the duct assembly (4) and the flexible connector (10) from the duct assembly (1).
(6) Remove and discard the seals (9).
(7) Install a LOCALLY MANUFACTURED - BLANKING CAP on the bleed air duct (8).

Subtask 36-11-48-420-116-A

B. Preparation for Installation
(1) Remove the LOCALLY MANUFACTURED - BLANKING CAP from the bleed air duct (8).
(2) Clean the component interfaces and the adjacent area with a Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) .
(3) Make sure that the parts retained from the removed component are clean and in the correct condition.
(4) Do an inspection of the component interfaces and the adjacent area.

Subtask 36-11-48-420-117-A

C. Installation of the Wing Anti-Icing Tapping-Seals
(1) Put the new AIPC 36-11-85-01-440 SEALS (9) at the correct installation positions.
(2) Install the flexible connector (10) and the duct assembly (4) on the duct assembly (1).
(3) Install the clamp (7) on the bleed air duct (8).
(4) TORQUE the clamp (7) to between 5.10 and 3.90 m.N (45.13 and 34.51 lbf.in )

.
(5) Make sure that the clamp (7) is installed in the correct position.
(6) Use Varnish Polyurethane-- Marking Structure (Material No.04SAB2) to make a mark 2.00 mm (0.08 in.) wide and 8.00 mm (0.31 in.) long on the clamp (7).
(7) Connect the bonding lead (6) with the screw (5), the washer (3) and the nut (2) on the duct assembly (4).
(8) Do a check of the electrical bonding (Ref. AMM TASK 20-28-00-912-802).
(9) Install the insulation muff (11) on the bleed air duct (8).

(10) Safety the insulation muff (11) with Wire-- Stainless Steel Braided - (Material No.14QAD1) .
(a) Cut unwanted ends of the Wire-- Stainless Steel Braided - (Material No.14QAD1) to approximately 20 mm (0.79 in.).

Subtask 36-11-48-865-083-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
49VU	AIR BLEED/ENG 1/CTL	2HA1	D11
121VU	ENGINE/IGN/ENG2/SYS B	3JH2	P42
121VU	ENGINE/IGN/ENG1/SYS B	3JH1	P41
122VU	AIR BLEED/ENG 2/CTL	2HA2	Z22

Subtask 36-11-48-790-067-A

E. Leak Test
(1) Do a leak test of the bleed air duct (8) (Ref. AMM TASK 36-11-48-790-001).

5. Close-up
Subtask 36-11-48-410-065-A

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the removed access panels:
(a) For the left wing:

(b) For the right wing:

Subtask 36-11-48-865-084-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 ALL
49VU	ENGINE/2/FADEC A/AND EIU 2	2KS2	A05
49VU	ENGINE/1/FADEC A/AND EIU 1	2KS1	A04
49VU	ENGINE/1 AND 2/IGN/SYS A	1JH	A03
49VU	FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1	5CV	B01
121VU	ENGINE/ENG2/FADEC B/AND EIU2	4KS2	R41
121VU	ENGINE/ENG1/FADEC B/AND EIU 1	4KS1	R40
121VU	FLIGHT CONTROLS/SLT/CTL/SYS2	7CV	R21

Subtask 36-11-48-860-074-A

C. Aircraft Maintenance Configuration
(1) Remove the WARNING NOTICE(S).
(2) Remove the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION (Ref. AMM TASK 27-00-00-080-002).

WARNING: MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS SURFACES ARE CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.

(3) Retract the slats (Ref. AMM TASK 27-80-00-866-005).

Subtask 36-11-48-942-061-A

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

[Rev.10 from 2021] 2026.04.01 01:09:49 UTC