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2.3 Sew 1" Ty-4 tape at the outside mouth location.
At the same time, sew down the two side stow
band tapes and the three mouth stow band tapes
[Figure F].
2.4 Bind the mouth of the bag with the double needle
binding machine. Leave the tapes long at the ends.
2.5 With the bag inside out, match the edge of the mouth with the alignment marks on the tongue
[Figure G].
2.6 Trim the excess tapes at the edge of the bag.
2.7 Starting at the inside corner of the bag, bind the inside seam [Figure H].
Figure C
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2.8 Trim the inside ends of the binding leaving a 2" tail. [Figure J]
Double the tail back and bar tack.
2.9 Bar tack the stow loops at the appropriate locations [Figure
K].
2.10 Install a #5 grommet at the top center of the bag. Orient the
grommet from the inside with the washer on the outside
[Figure L].
2.11 Install the three #3 grommets in the tongue of the bag with
the grommets from the outside and the washers on the
inside [Figure M].
3.0 INSPECTION:
3.1 Sewing should be straight.
3.2 Binding should be secure.
3.3 Verify all bar tacks are in place.
3.4 Grommets should be oriented correctly and secure.
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Parachute Repair Procedure
TITLE: 7.6.3 Bottom of Container (BOC) Pocket
NUMBER OF PAGES: 2
APPLICABLE PRODUCTS: All containers that have a BOC pocket configuration.
DESCRIPTION: Fabrication of a BOC pocket.
AUTHORIZED REPAIRMEN: FAA Senior or Master Parachute Rigger
MATERIALS: E thread
Para-pak fabric
Spandex® or equivalent elastic fabric
5/8" elastic tape
Ty-3 3/4" binding tape
MACHINES: 301 Straight Stitch—Medium Duty 7-11 SPI
301 Double needle with tape folder 7-11 SPI
1" x 42 stitch bar tack
EQUIPMENT:
Scissors
Marking pencil
18" ruler
Carpenter’s square
Hot knife
PROCEDURE
1.0 LAYOUT:
1.1 Draw the shape of the BOC pocket on the para-pak fabric to the size required to fit the pilot
chute. This will be the base panel.
1.2 Fold the Spandex® fabric in half and cut to the same size as the base panel. This will be the
pocket panel. Make sure the grain of the fabric is parallel with the length of the pocket for
stretch. Trim 1/2" off the end opposite the fold [Figure A].
2.0 ASSEMBLY:
2.1 Open the sides of the pocket at the folded end and insert the length of elastic tape. Sew the
tape in place with the single needle on both sides.
2.2 Mark the center of the mouth and bar tack the elastic reinforcing as shown [Figure B].
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7-114
2.3 Lay the pocket on the para-pak base and sew in place [Figure C]. (Hint—Sewing with the
Spandex® on the bottom and the para-pak on top will minimize stretch from the presser foot.)
2.4 Bind the pocket, starting at the bottom corner opposite the mouth of the pocket [Figure D].
2.5 Bar tack the mouth of the pocket securing the elastic reinforcing on both sides [Figure E].
2.6 The pocket is now complete and ready for installation.
3.0 INSPECTION:
3.1 Verify that the size is correct.
3.2 Binding should be secure.
3.3 Verify the bar tacks are in place at the center of the pocket and at the sides.
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7.7 The following are miscellaneous procedures
used in repairs and alterations found in Section 7
of this chapter.
7.7.1 Hand tacking techniques
7.7.2 Cleaning and washing procedures
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7-117
Parachute Repair Procedure
TITLE: 7.7.1 Hand Tacking Techniques
NUMBER OF PAGES: 2
APPLICABLE PRODUCTS: Any systems requiring hand tacking.
DESCRIPTION: Securing housings, hardware, etc., with hand tackings.
AUTHORIZED REPAIRMEN: FAA Senior or Master Parachute Rigger
MATERIALS: Nylon supertack tacking thread
MACHINES: None
EQUIPMENT:
Scissors
Assorted hand tacking needles
Modified navy end tab
PROCEDURE
Note: Hand tacking is an integral part of rigging skills. There are numerous places where components
or parts are joined. Hardware, housings, cones, and other parts require hand tacking to secure
them to their positions. The following examples show typical tacking techniques.
1.0 PILOT CHUTE:
1.1 Take the needle and supertack and pass it through the
reinforcing tape at the bottom of the pilot chute mesh
capturing the spring coil [Figure A].
1.2 Cross over the radial seam reinforcing tape and again
pass the needle through the reinforcing tape and capturing
the spring coil as before [Figure B].
1.3 Secure the ends of the supertack with a surgeon’s knot
and locking knot [Figure C]. Trim to a 3/4" tail.
2.0 HOUSING:
　
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