Installation of the Seal at FR1

TASK 53-15-11-400-006-A
Installation of the Seal at FR1

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

ZONE: 110

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	ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE
No specific	1	SCRAPER - NON METALLIC
No specific	AR	WARNING NOTICE(S)

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.06AAC1)	Polysulfide Sealant-General Purpose Interfay -
(Material No.06CMD9)	Silicone Adhesive Sealant-General Purpose One part legacy
(Material No.08BAA9)	Non Aqueous Cleaner-General - -
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
110	RADOME (NOSE CONE TO FR 1)

D. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
2	SEAL	AIPC 53-15-11-01-160

E. Referenced Information

REFERENCE	DESIGNATION
TASK 53-15-11-010-001-A	Opening of the Radome
TASK 53-15-11-400-001-A	Installation of the Radome
TASK 53-15-11-400-001-A-01	Installation of the Radome
Seal at FR1

3. Job Set-up
Subtask 53-15-11-869-057-A

A. Aircraft Maintenance Configuration
(1) Make sure that the WARNING NOTICE(S) is(are) in position to tell persons not to operate the radar system on the center pedestal.
(2) Make sure that the ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE is in position at zone 110.
(3) Make sure that the radome is open (Ref. AMM TASK 53-15-11-010-001).

Subtask 53-15-11-865-073-A

WARNING: MAKE SURE THAT THE CIRCUIT BREAKERS RELATED TO THE WEATHER RADAR ARE OPENED, SAFETIED AND TAGGED.

B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
121VU	COM NAV/RADAR/1	5SQ1	K13
** ON A/C NOT FOR ALL
121VU	COM NAV/RADAR/2	5SQ2	K14

Subtask 53-15-11-160-054-A

C. Removal of the Sealant
(1) Use the SCRAPER - NON METALLIC to remove the sealants from the retainer (1) and the structure.
(2) Clean the retainer (1) and the structure with Non Aqueous Cleaner-General - - (Material No.08BAA9) and the Textile-Lint free Cotton - (Material No.14SBA1) .

4. Procedure
Subtask 53-15-11-420-061-A

A. Installation of the Seal at FR1
(1) Apply Polysulfide Sealant-General Purpose Interfay - (Material No.06AAC1) (4) on the retainer (1) and the mating surface of the structure.
(2) Let the sealant cure.
(3) Clean the mating surface with Non Aqueous Cleaner-General - - (Material No.08BAA9) and the Textile-Lint free Cotton - (Material No.14SBA1) .
(4) Cut the seal (2) as one continuous piece to the necessary length.
(5) Apply Silicone Adhesive Sealant-General Purpose One part legacy (Material No.06CMD9) (5) on the mating surface of the structure.
(6) Put the new AIPC 53-15-11-01-160 SEAL (2) in the correct position on the structure.
(7) Make sure that:

Dimension A is 6 -2 mm or +2 mm (0.24 -0.08 in. or +0.08 in.).
Dimension B is 22 -3 mm or +3 mm (0.87 -0.12 in. or +0.12 in.).
Dimension D is 53 -3 mm or +3 mm (2.09 -0.12 in. or +0.12 in.).

(8) Install the retainer (1) on the structure.
(9) Install the nuts (3).
(10) Tighten the nuts (3).
(11) Make the shims (7) from the Polysulfide Sealant-General Purpose Interfay - (Material No.06AAC1) .
(12) Make sure that dimension C is 15 mm (0.59 in.).
(13) Install the shims (7) at the ends of the seal (2).
(14) Apply Polysulfide Sealant-General Purpose Interfay - (Material No.06AAC1) (6) along the length of the seal (2).

5. Close-up
Subtask 53-15-11-942-061-A

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the radome (Ref. AMM TASK 53-15-11-400-001).
(3) Remove the WARNING NOTICE(S).
(4) Remove the access platform(s).

Subtask 53-15-11-865-074-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
121VU	COM NAV/RADAR/1	5SQ1	K13
** ON A/C NOT FOR ALL
121VU	COM NAV/RADAR/2	5SQ2	K14

[Rev.10 from 2021] 2026.04.02 06:28:51 UTC