(1) Cut the seal at a minimum distance of 50.0 mm (1.97 in.) from the next inflation hole to remove the damaged section of the seal.
NOTE : The minimum repair length of the replacement section is:
____
-
for a straight section, 200.0 mm (7.87 in.)
-
for a curved section, 200.0 mm (7.87 in.) measured from the edge of the corner.
(2) For the straight and the curved section, cut a section of the replacement seal to the same length as the removed section.
NOTE : Make sure that the quantity of the inflation holes are the
____
same as in the removed section.
(3)
Carefully remove the first layer of tissue reinforcement from the ends of the seal and the replacement sections over a length of 25.4 mm (1.0 in.) (repair area).
(4)
Prepare the surfaces of the repair areas with emery cloth.
(5)
Carefully degrease the surface with CLEANING AGENTS (Material No. 11-016) and a lint-free cloth.
(6)
Apply a thin layer of BONDING AND ADHESIVE COMPOUNDS (Material No. 08-004) or BONDING AND ADHESIVE COMPOUNDS (Material No. 08-026) to the ends of the seal and the replacement sections.
(7)
Press and hold the ends of the replacement section and the seal together and let them dry for some minutes.
(8)
Cut a piece of SPECIAL MATERIALS (Material No. 05-024) to a size of the repair areas.
(9)
Apply a layer of BONDING AND ADHESIVE COMPOUNDS (Material No. 08-004) or BONDING AND ADHESIVE COMPOUNDS (Material No. 08-026) to the contact surface of the replacement tissue and the repair areas.
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Splice Repair
Figure 802/TASK 52-31-18-991-004
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1 1 Feb 01/98
1 1
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Wooden Bonding Block
Figure 803/TASK 52-31-18-991-005
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1 1 Feb 01/98
1 1
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(10)
Wind the replacement tissue around the repair areas.
(11)
Cover the repair area with a layer of foil SPECIAL MATERIALS (Material No. 05-023) and put the seal in the wooden bonding block.
(12)
Compress the seal over a period of 24 hours in the wooden bonding block with a clamp.
(13)
Remove the wooden bonding block and the foil from the repair area of the seal.
(14)
Prepare the repair area with very fine emery cloth to get a smooth surface on the seal.
5. Close-up
________ Subtask 52-31-18-410-052
A. Close Access
(1)
Install the repaired door seal (Ref. TASK 52-31-18-400-001).
(2)
Close the applicable cargo compartment door (Ref. TASK 52-30-00-860-002).
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R TASK 52-31-18-300-002
R Reinforcement of Door Seal
R 1. Reason for the Job__________________
R Self Explanatory
R 2. Job Set-up Information______________________
R A. Fixtures, Tools, Test and Support Equipment
R -------------------------------------------------------------------------------
R REFERENCE QTY DESIGNATION
R -------------------------------------------------------------------------------
R No specific additional silicon tube (Spec: NSA 3629-8-12)
R No specific very fine emery cloth
R No specific wooden bonding block
R B. Consumable Materials
R -------------------------------------------------------------------------------
R REFERENCE DESIGNATION
R -------------------------------------------------------------------------------
R Material No. 05-023 USA MIL-I-631
R POLYTEREPTHALATE (Ref. 20-31-00)
R Material No. 08-004 USA MIL-A-25457
R ADHESIVE SEALANT (Ref. 20-31-00)
R Material No. 08-026
R ADHESIVE/SEALANT ONE PART,RTV SILICONE RUBBER
R (Ref. 20-31-00)
R C. Referenced Information
R -------------------------------------------------------------------------------
R REFERENCE DESIGNATION
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