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Parachute Rigger Handbook

FAA-H-8083-17A Version 2015 (Change 1)

Chapter 7

Repairs, Alterations, and Manufacture

  1. Remove the lower MLW. [Figure C]

Reassembly

  1. Measure the webbing for the lower main lift web. [Figure D]
  2. Zigzag the bowtie folds as marked including the Type-4 buffers. [Figure E]
  3. Glue the MLW in place. Make sure that the open end of the webbing is on the rear and oriented up towards the chest strap.
  4. Mark the stitch pattern on the MLW and sew with the harness machine. Use a 3 inch W-W pattern at the top as shown in Figure F. Include a box pattern on the lower section of the MLW.
  5. Reattach the ripcord pocket/MLW cover. [Figure G]

Inspection

  • Check that the new harness dimensions are correct and symmetrical.
  • Verify the harness stitching is correct for SPI and tension.
  • The ripcord pocket/MLW cover must be reattached.

Leg Pad Resizing

  • Applicable products: Most harness leg pad configurations
  • Description: Shortening the length of the leg pad
  • Authorized repairmen: FAA Senior or Master Parachute Rigger
  • Materials: E thread
  • Machines: 301 straight stitch—medium duty 7–11 SPI, 301 double needle with tape folder 7–11 SPI, and 1 inch × 42 stitch bar tack
  • Equipment: Scissors, seam ripper or scalpel, marking pencil, 6-inch ruler, and hot knife
Leg Pad Resizing, procedure photograph 3 (source page 7-75).
Leg Pad Resizing, procedure photograph 3 (source page 7-75).
Leg Pad Resizing, procedure photograph 4 (source page 7-75).
Leg Pad Resizing, procedure photograph 4 (source page 7-75).
Leg Pad Resizing, procedure photograph 1 (source page 7-75).
Leg Pad Resizing, procedure photograph 1 (source page 7-75).
Leg Pad Resizing, procedure photograph 2 (source page 7-75).
Leg Pad Resizing, procedure photograph 2 (source page 7-75).
Leg Pad Resizing, procedure photograph 5 (source page 7-75).
Leg Pad Resizing, procedure photograph 5 (source page 7-75).

Procedure

Disassembly

  1. Measure the amount that the pad is to be shortened and mark on the sleeve of the pad. [Figure A]
  2. Remove all bar tacks or zigzag stitching from the binding.
  3. Using the hot knife, remove the binding from the pad. [Figure B]
  4. Unpick the sleeve from the body of the pad. Fold the pad under and using the hot knife, shorten the sleeve by the required amount.
Leg Pad Resizing, procedure photograph 6 (source page 7-76).
Leg Pad Resizing, procedure photograph 6 (source page 7-76).
Leg Pad Resizing, procedure photograph 9 (source page 7-76).
Leg Pad Resizing, procedure photograph 9 (source page 7-76).
Leg Pad Resizing, procedure photograph 7 (source page 7-76).
Leg Pad Resizing, procedure photograph 7 (source page 7-76).
Leg Pad Resizing, procedure photograph 10 (source page 7-76).
Leg Pad Resizing, procedure photograph 10 (source page 7-76).
  1. Measure the pad and mark. Trim with the hot knife. [Figure C]