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Step 2Procedure 1 - Funnel Section
1) Insert the funnel snugly into your air mattress inlet hole. Mark the funnel where it contacts the mattress inlet hole. Remove the funnel.
2) Cut out a section of funnel about 1" (25cm) on either side of the mark. Wear safety glasses.
3) Carefully remove any fuzz and deburr sharp edges. Use utility knife, file, or sandpaper.
4) Optionally, cut a short narrow groove near the large end of funnel section. This will help retain the copper wire used in a later step.
2) Cut out a section of funnel about 1" (25cm) on either side of the mark. Wear safety glasses.
3) Carefully remove any fuzz and deburr sharp edges. Use utility knife, file, or sandpaper.
4) Optionally, cut a short narrow groove near the large end of funnel section. This will help retain the copper wire used in a later step.
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