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Note: This repair is quite common. If the canopy is inspected regularly, the beginnings of the damage
will be noticed and a simple restitching will solve the problem. However, many times it is not
and the resultant damage is quite extensive requiring repair of the rib as well as the top panel.
1.0 DISASSEMBLY:
1.1 Inspect the damaged area to determine the extent of the damage [Figure A]. If the stitching
that holds the attachment point to the canopy is simply coming loose, restitch as per the
original.
1.2 If the canopy fabric is damaged, then turn the canopy inside out. The center rib should have
a reinforced area that brackets the attachment point [Figure B].
1.3 Detach the top of the
rib from the top surface
of the cell where the
attachment point is
located [Figure C]. If
the rib is damaged,
then a rib repair will be
needed.
1.4 Usually the top skin of
the cell will need to be
repaired. Again, depending on the extent of the damage, either perform a patch on the
panel or a partial panel replacement.
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2.0 REASSEMBLY:
2.1 After the top skin is repaired, a new reinforcement patch will need to be installed on the
center of the cell so that it is centered over the attachment point.
2.2 Take the pre-cut reinforcement panel and sew it in place with two rows of the single needle
machine. The corners should be folded in at a 45 degree angle to eliminate any point loading
on the corners [Figure D].
2.3 Reattach the rib to the top surface of the canopy as per the original configuration.
2.4 Install a new pilot chute attachment tape and ring at the appropriate location [Figure E].
3.0 INSPECTION:
3.1 Check that rib and panel repairs have been made as needed.
3.2 Verify the new top reinforcing panel is in place with two rows of single needle stitching.
3.3 Check the new attachment tape and ring for the appropriate stitch pattern.
Parachute Repair Procedure
TITLE: 7.1.8 Round Canopy – Noncontinuous Line Replacement
NUMBER OF PAGES: 2
APPLICABLE PRODUCTS: Round canopies; main and reserve.
DESCRIPTION: Replacement of a suspension line on a round canopy with noncontinuous line
configuration.
AUTHORIZED REPAIRMEN: FAA Master Parachute Rigger
MATERIALS: E thread
Suspension line—type and color to match
MACHINES: 308 Zigzag—Medium Duty 7-11 SPI
1" x 42 stitch bar tack [Optional]
EQUIPMENT:
Packing table
Scissors
Seam ripper or scalpel
Marking pencil
6" ruler
60 pound fish scale or equivalent
Finger-trapping needle
PROCEDURE
Note: The most common need for this type of repair today is as a result of the suspension line of the
reserve being damaged during packing or occasionally during use after landing. The newer, lightweight
braided lines are very susceptible to being snagged on the hook portion of Velcro® closures
on the container if care is not taken by the rigger.
1.0 DISASSEMBLY:
1.1 Lay the canopy out on the packing table. Straighten the canopy ensuring the apex is straight
and even tension on the lines.
1.2 Remove the damaged line from the canopy.
2.0 REASSEMBLY:
2.1 Cut a new line from the same material as the original
approximately 36" longer than the damaged line.
2.2 Pre-stretch the line by applying approximately 10 percent
of its rated strength for a minimum of 15 minutes.
2.3 Attach the line to the connector link in the same manner
as the original. Most of the newer canopies use braided
line and a finger-trap attachment technique [Figure A].
Zigzag or bar tack the line, whichever is appropriate.
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2.4 Run the free end of the line to the canopy. If the canopy utilizes a V-tab configuration, route
the line through the V-tab [Figure B].
2.5 Pull the V-tab down until it is even with the rest of the skirt. Mark the line at the edge of the
skirt and pin in place [Figure C].
2.6 Sew the line to the canopy with the zigzag machine duplicating the original manufacture
[Figure D]. Trim the excess line from the canopy.
2.7 Return the canopy to the packing table, straighten, and apply tension. Check the trim of the
replaced line against the others.
3.0 INSPECTION:
3.1 Verify the line length is the same as the original with the same tension.
3.2 The connector link and canopy ends must be sewn correctly.
Parachute Repair Procedure
TITLE: 7.1.9 Square Canopy – Main Line Replacement
NUMBER OF PAGES: 2
APPLICABLE PRODUCTS: Square main canopies.
DESCRIPTION: Replacement of main suspension lines of square canopies.
AUTHORIZED REPAIRMEN: FAA Senior or Master Parachute Rigger
　
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本文鏈接地址：Parachute Rigger Handbook(75)