Pneumatic Duct Insulation - Installation
Figure 401

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 D. Remove the Duct Insulation
 S 034-005
 (1)
Turn the duct insulation until you can see the square knots.

 S 034-006

 (2)  
Untie the square knots.

 NOTE: If you cannot untie the square knots, you can use a knife to
____
 cut the tape.

 S 024-007
 (3)  Remove the insulation blanket from the pneumatic ducts.
 TASK 36-19-25-404-008
 3. Install the Pneumatic Duct Insulation
_____________________________________
 A. References
 (1)  
12-31-01/201, Zone Diagrams

 (2)  
12-31-21/201, Body Section 43 Access Doors and Panels

 (3)  
12-31-31/201, Body Section 46 Access Doors and Panels

 (4)  
12-31-41/201, Body Section 48 Access Doors and Panels

 (5)  
24-22-00/201, Electrical Power

 B. Access
 (1)  
Location Zones
 208 Forward Cargo Compartment
 210 Air Conditioning Distribution Bay
 211 Left Ram Air Duct
 216 Left Main Wheel Well
 218 Aft Cargo Compartment

 (2)  
Access Panels (Ref 12-31-21/201, 12-31-31/201, 12-31-41/201) 3303/3403 Air Conditioning Access Panel 3804 APU Cowl Door 4405/4406 Forward Cargo Door Access Panel 4505/4506 Aft Cargo Door Access Panel

 C. Install the Insulation
 S 424-009
 (1)  Install the insulation blanket on the applicable ducts (Fig. 401).
 (a)  Make an overlap of approximately 2.00 inches along the length of the insulation blanket.
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 S 434-010
 (2)  
Make a square knot with the fiberglass tape to hold the insulation blanket on the duct.

 S 434-011

 (3)  
Put the ends of the tape under the overlap of the insulation blanket.

 D. Put the Airplane Back to Its Usual Condition
 S 414-012
 (1)  
Close the access doors.

 S 864-013

 (2)  
Remove the electrical power if it is not necessary (Ref
 24-22-00/201).

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 PNEUMATIC DUCT INSULATION - APPROVED REPAIRS
____________________________________________
 1.  General_______
 A.  This procedure contains one task. It gives a temporary repair procedure for the insulation blanket on the pneumatic ducts.
 TASK 36-19-25-308-001
 2.  Pneumatic Duct Insulation Repair________________________________
 A.  Consumable Materials
 (1)  G01996 - OT-6C Repair Tape (OT-5 optional) (Orcotape) - BMS 5-149, Type XI, Class 1, Grade C, Form 1 - Orcon Corporation, 1570 Atlantic Street, Union City, CA. 94587-3299, Tel: 800-228-2781
 B.  References
 (1)  
24-22-00/201, Manual Control

 (2)  
36-05-00/201, Pneumatic System

 (3)  
36-19-25/401, Pneumatic Duct Insulation

 C.  Access
 (1)  
Location Zones
 208 Forward Cargo Compartment
　
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