Removal of the Insulation Blankets

TASK 25-80-00-000-001-A
Removal of the Insulation Blankets

1. Reason for the Job
Removal for access to the fuselage structure (skin panels, frames, stringers etc.).
Removal for the maintenance of the air conditioning ducts etc.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 2M (6 FT)
No specific	1	ACCESS PLATFORM 4M (13 FT)
No specific	1	GLOVES - RUBBER
No specific	1	GOGGLES - PROTECTIVE
No specific	1	PROTECTIVE BREATHING EQUIPMENT

B. Referenced Information

REFERENCE	DESIGNATION
TASK 25-23-41-000-001-A	Removal of the Ceiling Panels
TASK 25-23-42-000-001-A	Removal of the Ceiling Panels - Forward Utility Area
TASK 25-23-43-000-001-A	Removal of the Upper Sidewall Panel
TASK 25-23-44-000-001-A	Removal of the Lower Sidewall Panels (Dado Panels)
TASK 25-23-45-000-005-A	Removal of the Door Frame Linings from the Left Forward Passenger/Crew Door
TASK 25-24-41-000-001-A	Removal of the Overhead Stowage Compartments (OHSC)
Typical Removal/Installation of an Insulation Blanket ** ON A/C NOT FOR ALL
Typical Removal/Installation of an Insulation Blanket ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 25-80-00-010-050-A

A. Get Access
(1) Put the ACCESS PLATFORM 4M (13 FT) in position at the FWD passenger/crew door.
(2) Put the ACCESS PLATFORM 2M (6 FT) in position at the FWD and/or AFT cargo compartment door(s).
(3) Open the appropriate access door.
(4) Remove the parts given subsequently only where necessary to remove the insulation blankets:

the upper and lower sidewall panels (Ref. AMM TASK 25-23-41-000-001) (Ref. AMM TASK 25-23-42-000-001) (Ref. AMM TASK 25-23-43-000-001) (Ref. AMM TASK 25-23-44-000-001) (Ref. AMM TASK 25-23-45-000-005) (Ref. AMM TASK 25-24-41-000-001),
the cargo compartment linings
the circuit breaker panels,
the air conditioning ducts
the electrical cable fasteners,
the bonding straps,
the screwed brackets.

4. Procedure
Subtask 25-80-00-020-050-A ** ON A/C NOT FOR ALL

A. Removal of the Insulation Blankets

WARNING: YOU MUST ALWAYS WEAR RUBBER GLOVES WHEN YOU DO THIS PROCEDURE.

(1) If you remove a damaged insulation blanket, put on the GOGGLES - PROTECTIVE, the GLOVES - RUBBER and use the correct PROTECTIVE BREATHING EQUIPMENT.
(2) Record the position of the insulation blanket(s) or the insulation foam sheet(s) for the installation procedure.
(3) Remove the frame insulation blanket(s):
(a) Remove the brackets (2), the washers (5) and the studs (6).
(b) Remove the insulation blanket(s) (1).
(4) Remove the skin insulation (blanket(s) or foam sheet(s)):
(a) Remove the washers (5) from the studs (4) and/or the supports (7).
(b) Remove the insulation (3).

Subtask 25-80-00-020-050-B ** ON A/C NOT FOR ALL

A. Removal of the Insulation Blankets

WARNING: YOU MUST ALWAYS WEAR RUBBER GLOVES WHEN YOU DO THIS PROCEDURE.

(1) If you remove a damaged insulation blanket, put on the GOGGLES - PROTECTIVE, the GLOVES - RUBBER and use the correct PROTECTIVE BREATHING EQUIPMENT.
(2) Record the position of the insulation blanket(s) for the installation procedure.
(3) Remove the washers (4) and/or the brackets (2) from the frame insulation blanket(s) (1).
(4) Remove the frame insulation blanket(s) (1).
(5) Remove the washers (8) from the skin insulation blanket(s) (3).
(6) Remove the skin insulation blanket(s) (3).
(7) Do not remove the TERUL 18 foil (11) from the TERFLAME 29 film (9).
(8) Remove the studs (5) and (6) and/or the stringer clips (7) and the washers (12).

[Rev.10 from 2021] 2026.04.01 04:58:24 UTC