Repair of the Moisture Barrier Foil (MYLAR)

TASK 25-20-00-350-004-A
Repair of the Moisture Barrier Foil (MYLAR)

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

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	CUTTER - THIN BLADE
No specific	1	SCRAPER - NON METALLIC

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.05RMM9)	Adhesive Film Tape-Liquid Barrier Transparent Foil -

C. Referenced Information

REFERENCE	DESIGNATION
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 24-42-00-862-001-A	De-energize the Ground Service Network Supplied from the External Power
TASK 25-28-43-400-001-A	Installation of the Moisture Barrier Foil (MYLAR)

3. Job Set-up
Subtask 25-20-00-861-059-A

A. Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).

4. Procedure
Subtask 25-20-00-350-054-A

A. Repair of the Moisture Barrier Foil (MYLAR)
(1) Use the CUTTER - THIN BLADE and carefully cut and remove the damaged area of the MYLAR.
(2) Use the SCRAPER - NON METALLIC to help the removal procedure.
(3) Make sure that the MYLAR cutout is in a circular shape. This is necessary to make the repair easy.
(4) Cut a patch of Adhesive Film Tape-Liquid Barrier Transparent Foil - (Material No.05RMM9) to the correct dimension.
(5) Make sure that the repair patch has an overlap of 15 mm (0.59 in.) at all edges.
(6) Install the repair patch (Ref. AMM TASK 25-28-43-400-001).

5. Close-up
Subtask 25-20-00-942-050-A

A. Close-up
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the ground support and maintenance equipment, the special and standard tools and all other items.

Subtask 25-20-00-862-059-A

B. De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).

[Rev.10 from 2021] 2026.03.31 23:29:54 UTC