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When sewing the rib, pull tension on the bottom or top skin as required; however, let the rib material lay naturally to ensure the rib and the nose of the canopy fit correctly. Make adjustments as required using the guide marks made in step 1., above. 

## NOTE 

8. If the rib being replaced is a loaded rib, start at the tail of the rib, fold and sew a second double row of stitching using a double needle sewing machine, size E nylon thread and 7 to 11 stitches per inch. 

9. Starting at the tail end of the rib, fold and sew the top skin with a double needle sewing machine, size E nylon thread and 7 to 11 stitches per inch. 

10. If the rib being replaced is a loaded rib, start at the tail end of the rib, fold and sew a second row of stitching using a double needle sewing machine, size E nylon thread and 7 to 11 stitches per inch. 

<img src='content_image/527404.jpg'>

<img src='content_image/527403.jpg'>

<img src='content_image/527405.jpg'>

11. Re-sew the tail seam as required, in accordance with original construction and stitch formation. 

12. Re-sew any reinforcement tapes as required, in accordance with original construction and stitch formation. 

When re-sewing the rib to the bottom skin, ensure that the reinforcement tapes on the rib are centered on the reinforcement tape running span wise. Ensure that the guide marks on the rib are aligned with the guide marks on the bottom skin in the case of the unloaded rib. 

## NOTE 

