Cleaning of the Light Alloy and Steel Components

TASK 12-21-12-100-006-A
Cleaning of the Light Alloy and Steel Components

ZONE: 200

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	CAP - PROTECTION

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.08BPA1)	Non Aqueous Cleaner-Non structural use - -
(Material No.14EEA1)	Polishing Paste-Aluminium Alloys - -
(Material No.14SBA1)	Textile-Lint free Cotton -
No specific	warm clean water

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
200	UPPER HALF FUSELAGE

D. 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
Linings and Furnishings - Lavatory

3. Job Set-up
Subtask 12-21-12-861-059-A

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

4. Procedure
Subtask 12-21-12-160-074-A

A. Cleaning of Light Alloy and Stainless Steel Components

Linings and Furnishings - Lavatory

(1) Put CAP - PROTECTION on the electrical outlets so that they do not get wet.
(a) Apply Non Aqueous Cleaner-Non structural use - - (Material No.08BPA1) to the surface with a lint-free cotton cloth Textile-Lint free Cotton - (Material No.14SBA1) .
(b) Clean the surface with a lint-free cotton cloth Textile-Lint free Cotton - (Material No.14SBA1) and warm clean water.
(c) Dry the surface with a lint-free cotton cloth Textile-Lint free Cotton - (Material No.14SBA1) .
(d) Remove the protection caps from the electrical outlets.

Subtask 12-21-12-160-081-A

B. Intensive Cleaning (Polishing) of Light-Alloy Components

CAUTION: USE ONLY THE SPECIFIED MATERIALS AND OBEY THE INSTRUCTIONS FROM THE MATERIAL MANUFACTURERS. OTHER MATERIALS CAN CAUSE DAMAGE TO THE SURFACE PROTECTION OF THE COMPONENTS AND THE RELATED AREA.

(1) Apply Polishing Paste-Aluminium Alloys - - (Material No.14EEA1) to the area you will clean and wipe it with a lint-free cotton cloth Textile-Lint free Cotton - (Material No.14SBA1) .
(2) Polish the surface with a lint-free cotton cloth Textile-Lint free Cotton - (Material No.14SBA1) .

5. Close-up
Subtask 12-21-12-862-059-A

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

[Rev.10 from 2021] 2026.03.31 22:56:18 UTC