25-21-05
 ALL  ú ú 01 Page 403 ú Dec 15/83
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 S 014-005
 (4)  
For the ceiling insulation, remove the lowered ceiling panels (AMM 25-22-02/401).

 S 014-006

 (5)  
For the aft pressure bulkhead insulation, remove the aft galley G4B (AMM 25-31-04/401).

 S 014-007

 (6)  
If you remove more than one blanket or capstrip, identify the blankets and capstrips with location tags for subsequent installation.

 S 024-031

 (7)  
Remove the disk fasteners from the studs.

 S 024-032

 (8)  
Pull the blanket away from the velcro tape at the edges (View A-A).

 S 014-010

 (9)  
Remove the blanket and the capstrip.

 TASK 25-21-05-404-011
 3.  Install the Insulation______________________
 NOTE:____For the sidewall insulation, refer to Fig. 401. For the aft pressure bulkhead insulation, refer to Fig. 402.
 A. Consumable Materials
 (1)  G00134 Tape - General 3M No. 474, 2-inches wide
 B. References
 (1)  
AMM 25-21-02/401, Sidewall Panels

 (2)  
AMM 25-22-01/401, Sculptured Ceiling Panels

 (3)  
AMM 25-22-02/401, Lowered Ceiling Panels

 (4)  
AMM 25-28-02/401, Overhead Stowage Bin

 (5)  
AMM 25-31-04/401, Aft Galley

 C. Access
 (1)  Location Zone
 200 Upper Half of Fuselage

 D. Procedure
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 25-21-05
 ALL  ú ú 01 Page 404 ú Jan 20/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL

 S 414-028
 CAUTION: DO NOT GET CORROSION-INHIBITING COMPOUNDS (CIC) ON THE
_______ INSULATION BLANKETS. APPLY CIC (BMS 3-23, BMS 3-26, BMS 3-29, OR EQUIVALENT) ONLY TO METALLIC AIRPLANE COMPONENTS. DO NOT ALLOW CIC TO CONTAMINATE NON-METALLIC MATERIALS. CIC WILL HAVE AN ADVERSE AFFECT ON THE FLAMMABILITY CHARACTERISTICS OF INSULATION BLANKETS.
 (1)  If Corrosion-inhibiting Compounds (CIC) contamination of insulation blankets occurs, adhere to the following steps:
 (a)  
Replace the insulation blanket if CIC contamination occurs along a seam.

 (b)  
For all areas except along seams, remove the CIC with Biogenic SE377C, Alphatic Naphtha, Citra-Safe, or equivalent.

 NOTE: If the CIC can not be removed, replace the blanket.
____
 S 414-029
 (2)  In order to prevent Corrosion-inhibiting compounds (CIC) contamination of insulaton blankets, obey the following steps prior to blanket installation:
 NOTE: Adjust the following steps ventilation times upward to
____ achieve satisfactory drying depending on the temperature, humidity, and quantity of CIC.
 (a)  
Ventilate areas, after application of CIC such as BMS 3-23, for a minimum of one hour.

 (b)  
Ventilate areas treated with CIC such as BMS 3-26 or BMS 3-29 for a minimum of four hours.

 S 414-017
 (3)  
Install the capstrip and the applicable blanket in the sidewall area.

 (4)  
Install the capstrip and the applicable blanket in the ceiling area.

 S 414-019

 (5)  
Install the capstrip and the applicable blanket in the aft pressure bulkhead area.

 (6)  
Replace the studs if the studs are damaged or broken.

 S 214-013

 (7)  
Make sure the blanket makes an overlap at the edges as shown in Fig. 401.

 S 414-018
 S 424-033
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 25-21-05
 ALL  ú ú 01 Page 405 ú Jan 20/99
　
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