3. Job Set-up
__________
Subtask 52-32-18-010-051
A. Get Access
(1)
Open the AFT cargo compartment door and safty it with the support struts (Ref. TASK 52-30-00-860-001).
(2)
Remove the damaged door seal (Ref. TASK 52-32-18-000-001).
4. Procedure
_________
Subtask 52-32-18-330-050
A. Repair of Minor Cuts and Small Punctures
(Ref. Fig. 801/TASK 52-32-18-991-004)
NOTE : A repair of the minor cuts are only permitted if the cuts are not
____ longer than 25.4 mm (1.0 in.). A repair of the small punctures are only permitted if:
-the punctures are less than 6.4 mm (0.25 in.) and the distance between each punctere is more than 25.4 mm (1.0 in.),
-there are not more than three punctures within a section of
200.0 mm (7.87 in.). R In all other cases prepare a splice repair of the door seal R (refer to para: "Repair of Heavily Damaged Areas").
(1) Drill stop holes of dia. 2.0 mm (0.08 in.) at the ends of the cuts.
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Repair of Minor Cuts and small Punctures
Figure 801/TASK 52-32-18-991-004
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(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)
Prepare the surface of the repair area with a very fine emery cloth .
(4)
Carefully degrease the repair area with CLEANING AGENTS (Material No. 11-016) and a lint-free cloth.
(5)
Apply a thin coat of BONDING AND ADHESIVE COMPOUNDS (Material No. 08-004) or BONDING AND ADHESIVE COMPOUNDS (Material No. 08-026) to the opposite surfaces of the cut.
(6)
Press the surfaces of the cut puncture together and leave them to dry for some minutes.
(7)
Cut a piece of SPECIAL MATERIALS (Material No. 05-024) to the size of the repair area.
(8)
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.
(9)
Put the prepared replacement tissue onto the repair area so that it is as smooth as the seal surface.
(10)
Cover the repair area with a layer of foil SPECIAL MATERIALS (Material No. 05-023) and put the seal in the wooden bonding block.
(11)
Compress the seal over a period of 24 hours in the wooden bonding block with a clamp.
(12)
Remove the wooden bonding block and the foil from the repair area of the seal.
(13)
Prepare the repair area with very fine emery cloth to get a smooth surface of the seal.
Subtask 52-32-18-330-051
B. Repair of Heavily Damaged Areas (Splice Repair)
(Ref. Fig. 802/TASK 52-32-18-991-005, 803/TASK 52-32-18-991-006)
(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.)
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Splice Repair
Figure 802/TASK 52-32-18-991-005
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Wooden Bonding Block
Figure 803/TASK 52-32-18-991-006
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-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.
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