-there are not more than three punctures in a length of 200.0 mm
(7.87 in.) and not in the area where the door seal touches. In all other cases prepare a splice repair of the door seal (refer to para: "Repair of Large Damaged Areas").
(1)
Drill stop holes of 2.0 mm (0.0787 in.) dia. at each end of the cut.
(2)
Push the seal to open the cut and very carefully prepare the surfaces of the cut or the puncture with a very fine emery cloth.
(3)
Carefully remove the first layer of the reinforced tissue from the door seal for a distance of 10.0 mm (0.3937 in.) around the cut.
(4)
Prepare the surface of the repair area with a very fine emery cloth.
(5)
Carefully degrease the repair area with the CLEANING AGENTS (Material No. 11-016) and a lint-free cotton cloth MISCELLANEOUS (Material No. 19-003).
(6)
Apply a thin coat of the BONDING AND ADHESIVE COMPOUNDS (Material No. 08-004) or BONDING AND ADHESIVE COMPOUNDS (Material No. 08-026) to the opposite surfaces of the cut.
(7)
Press the surfaces of the cut/puncture together and leave them to dry for some minutes.
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(8)
Cut a piece of the SPECIAL MATERIALS (Material No. 05-024) to the size of the repair area.
(9)
Apply a thin layer of BONDING AND ADHESIVE COMPOUNDS (Material No. 08-004) or BONDING AND ADHESIVE COMPOUNDS (Material No. 08-026) to the repair area and fill the stop holes.
(10)
Put the prepared replacement tissue onto the repair area so that it is as smooth as the seal surface.
(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.
Subtask 52-22-18-330-051
C. Repair of Large Damaged Areas (Splice Repair)
(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.
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(5)
Carefully degrease the surface with the CLEANING AGENTS (Material No. 11-016) and a lint-free cotton cloth MISCELLANEOUS (Material No. 19-003).
(6)
Apply a thin layer of the 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 the SPECIAL MATERIALS (Material No. 05-024) to the size of the repair area.
(9)
Apply a layer of the BONDING AND ADHESIVE COMPOUNDS (Material No. 08-004) or BONDING AND ADHESIVE COMPOUNDS (Material No. 08-026) to the surface of the replacement tissue and the repair areas.
(10)
Wind the replacement tissue around the repair areas.
(11)
Put a layer of foil SPECIAL MATERIALS (Material No. 05-023) over the repair area 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 52-22-18-860-052
A. Close Access
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