Replacement of the Nose Landing-Gear Aft-Doors Seals

TASK 32-22-13-300-002-A
Replacement of the Nose Landing-Gear Aft-Doors Seals

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 3M (10 FT)- ADJUSTABLE
No specific	1	CLOTH-EMERY, FINE
No specific	AR	SAFETY BARRIER(S)
No specific	AR	WARNING NOTICE(S)
No specific	Torque wrench: range to between 0.12 and 0.10 m.daN (10.62 and 8.85 lbf.in )
No specific	Torque wrench: range to between 0.21 and 0.18 m.daN (18.58 and 15.93 lbf.in )
No specific	Torque wrench: range to between 0.385 and 0.315 m.daN (34.07 and 27.88 lbf.in )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.06AAB1)	Polysulfide Sealant-General Purpose Fillet -

C. Referenced Information

REFERENCE	DESIGNATION
TASK 32-22-00-010-001-A	Nose Gear Doors - Ground Doors Opening
TASK 32-22-00-410-001-A	Nose Gear Doors - Ground Doors Closing
TASK 32-30-00-867-001-A	Retraction of the Landing Gears for Maintenance
NLG Aft Door - Position of the Seals ** ON A/C NOT FOR ALL
NLG Aft Door - Seals
NLG Aft Door - Position of the Seals ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 32-22-13-941-056-A

A. Safety Precautions
(1) Put the WARNING NOTICE(S) in position to tell persons not to operate the landing gear.

Subtask 32-22-13-010-053-A

B. Get Access
(1) Open the nose gear doors (Ref. AMM TASK 32-22-00-010-001).
(2) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position.
(3) Put the SAFETY BARRIER(S) in position.

4. Procedure
Subtask 32-22-13-020-053-A

A. Removal of the Seals
(1) Remove the six nuts (1) and the six bolts (18).
(2) Remove the seal retainer (2), the seal (3) and the lightning arrestor strip (4).
(3) Remove the two screws (12) and the seal retainer (6).
(4) Remove the seal (5).
(5) Remove the four screws (13) and the seal retainer assembly (7).
(6) Remove the two screws (14) and the seal retainer assembly (8).
(7) Remove the two screws (15) and the seal retainer assembly (10).
(8) Remove the seal (9).
(9) Remove the three screws (16) and the seal retainer assembly (11).
(10) Remove the seal (17).

Subtask 32-22-13-420-055-A ** ON A/C NOT FOR ALL

B. Installation of the Seal
(1) Rub the zone C on which you apply the sealant with CLOTH-EMERY, FINE.
(2) Apply a layer of Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) on the door zone C.
(3) Put the seal (17) and the seal retainer assembly (11) in position.
(4) Make sure that the end of the seal (17) is 10 +2.5 mm or -2.5 mm (0.3937 +0.0984 in. or -0.0984 in.) from the edge of the door.
(5) Install the three screws (16).
(6) TORQUE the screws (16) to between 0.385 and 0.315 m.daN (34.07 and 27.88 lbf.in )

.
(7) Put the seal (9) and the seal retainer assemblies (7), (8) and (10) in position.
(8) Make sure that the end of the seal (9) is 10 +2.5 mm or -2.5 mm (0.3937 +0.0984 in. or -0.0984 in.) from the edge of the door.
(9) Install the eight screws (13), (14) and (15).
(10) TORQUE the screws (13), (14) and (15) to between 0.385 and 0.315 m.daN (34.07 and 27.88 lbf.in )

.
(11) Put the seal (5) and the seal retainer assemblies (6) in position.
(12) Make sure that the end of the seal (5) is 10 +2.5 mm or -2.5 mm (0.3937 +0.0984 in. or -0.0984 in.) from the edge of the door.
(13) Install the two screws (12).
(14) TORQUE the screws (12) to between 0.385 and 0.315 m.daN (34.07 and 27.88 lbf.in )

.
(15) Put the lightning arrestor strip (4), the seal (3) and the seal retainer (2) in position.
(16) Make sure that the end of the lightning arrestor strip (4) is 2 mm (0.0787 in.) from the edge of the door.
(17) Install the six bolts (18) and the six nuts (1).
(18) TORQUE the nuts (1) to between 0.385 and 0.315 m.daN (34.07 and 27.88 lbf.in )

Subtask 32-22-13-420-055-B ** ON A/C NOT FOR ALL

B. Installation of the Seal
(1) Rub the zone C on which you apply the sealant with CLOTH-EMERY, FINE.
(2) Apply a layer of Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) on the door zone C.
(3) Put the seal (17) in position to get the dimension U to 0 mm (0.0000 in.).
(4) Install the seal retainer assembly (11) and the screws (16).
(5) Tighten but do not torque the screws (16).
(6) Put the seal (9) in position to get the dimension S to 0 mm (0.0000 in.).
(7) Install the seal retainer assemblies (7), (8) and (10) and the screws (13), (14) and (15).
(8) Tighten but do not torque the screws (13), (14) and (15).
(9) Put the seal (5) in position to get the dimension S to 0 mm (0.0000 in.).
(10) Install the seal retainer assemblies (6) and the screws (12).
(11) Tighten but do not torque the screws (12).
(12) Put the lightning arrestor strip (4), the seal (3) and the seal retainer (2) in position.
(13) Make sure that the dimension W is 2 mm (0.0787 in.) from the end of the lightning arrestor strip (4) to the edge of the door.
(14) Install the six bolts (18) and the six nuts (1).
(15) TORQUE the nuts (1) to between 0.385 and 0.315 m.daN (34.07 and 27.88 lbf.in )

Subtask 32-22-13-420-055-C ** ON A/C NOT FOR ALL

B. Installation of the Seal
(1) Rub the zone C on which you apply the sealant with CLOTH-EMERY, FINE.
(2) Apply a layer of Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) on the door zone C.
(3) Put the seal (17) in position to get the dimension U to 0 mm (0.0000 in.).
(4) Install the seal retainer assembly (11) and the screws (16).
(5) Tighten but do not torque the screws (16).
(6) Put the seal (9) in position to get the dimension S to 0 mm (0.0000 in.).
(7) Install the seal retainer assemblies (7), (8) and (10) and the screws (13), (14) and (15).
(8) Tighten but do not torque the screws (13), (14) and (15).
(9) Put the seal (5) in position to get the dimension S to 0 mm (0.0000 in.).
(10) Install the seal retainer assemblies (6) and the screws (12).
(11) Tighten but do not torque the screws (12).
(12) Put the lightning arrestor strip (4), the seal (3) and the seal retainer (2) in position.
(13) Make sure that the dimension W is 2 mm (0.0787 in.) from the end of the lightning arrestor strip (4) to the edge of the door.
(14) Install the six bolts (18) and the six nuts (1).
(15) TORQUE the nuts (1) to between 0.21 and 0.18 m.daN (18.58 and 15.93 lbf.in )

Subtask 32-22-13-420-055-D ** ON A/C NOT FOR ALL

B. Installation of the Seal
(1) Rub the zone C on which you apply the sealant with CLOTH-EMERY, FINE.
(2) Apply a layer of Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) on the door zone C.
(3) Put the seal (17) in position to get the dimension U to 0 mm (0.0000 in.).
(4) Install the seal retainer assembly (11) and the screws (16).
(5) Tighten but do not torque the screws (16).
(6) Put the seal (9) in position to get the dimension S to 0 mm (0.0000 in.).
(7) Install the seal retainer assemblies (7), (8) and (10) and the screws (13), (14) and (15).
(8) Tighten but do not torque the screws (13), (14) and (15).
(9) Put the seal (5) in position to get the dimension S to 0 mm (0.0000 in.).
(10) Install the seal retainer assemblies (6) and the screws (12).
(11) Tighten but do not torque the screws (12).
(12) Put the lightning arrestor strip (4), the seal (3) and the seal retainer (2) in position.
(13) Make sure that the dimension W is 2 mm (0.0787 in.) from the end of the lightning arrestor strip (4) to the edge of the door.
(14) Install the six bolts (18) and the six nuts (1).
(15) TORQUE the nuts (1) to between 0.12 and 0.10 m.daN (10.62 and 8.85 lbf.in )

Subtask 32-22-13-867-052-B ** ON A/C NOT FOR ALL

C. Retract the NLG
(1) Retract the nose landing gear as slowly as possible (Ref. AMM TASK 32-30-00-867-001).

5. Close-up
Subtask 32-22-13-942-056-A

A. Removal of Equipment
(1) Remove the access platform(s).
(2) Remove the ground support and maintenance equipment, the special and standard tools and all other items.

Subtask 32-22-13-410-053-A

B. Close Access
(1) Close the nose gear doors (Ref. AMM TASK 32-22-00-410-001).

Subtask 32-22-13-942-057-A

C. Safety Precautions
(1) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.01 00:43:17 UTC