Harbor Freight Tools 3914

Page 25For technical questions, please call 1-800-444-3353.SKU 3914

B - Main ShaFt aSSeMBly drawing

reV 10b

Contents

Main Single needle induStrial Sewing Machine Model 3914 Save this Manual SaFety warningS and precautiOnS SpeciFicatiOnS Page Sewing Safety precautions grOunding grounded tools: tools with three prong plugs extension cords Symbology V~ a unpacKing aSSeMBly Page Page Page Page OperatiOn BaSic SettingS attaching the needle Bobbin winder Operation winding thread Onto the Bobbin Setting the Bobbin into the Bobbin case and into the Machine threading the top thread adjusting the Stitch length adjusting the needle thread tension adjusting the Bobbin thread tension raising the presser Foot Setting the presser Foot pressure adVanced SettingS adjusting the Feed timing adjusting Feed dog height adjusting needle-to-hook timing adjusting the presser Bar height adjusting the thread take-up Stroke adjusting the height of the Knee lifter adjusting Sewing Speed with pulleys (sold separately) Maintenance Page Page 22 For technical questions, please call 1-800-444-3353. SKU 3914 a - arM Bed partS liSt Page Page 24 For technical questions, please call 1-800-444-3353. SKU 3914 B - Main ShaFt partS liSt Page Page 26 For technical questions, please call 1-800-444-3353. SKU 3914 c- Stitch driVe partS liSt Page Page 28 For technical questions, please call 1-800-444-3353. SKU 3914 d - preSSer Bar partS liSt Page Page 30 For technical questions, please call 1-800-444-3353. SKU 3914 e - Feed cOntrOl partS liSt Page Page 32 For technical questions, please call 1-800-444-3353. SKU 3914 F - luBricatiOn partS liSt Page g - BaSe aSSeMBly drawing and partS liSt h - acceSSOrieS partS liSt and aSSeMBly drawing Page 36 For technical questions, please call 1-800-444-3353. SKU 3914 i - BOBBin winder & thread Stand unit partS liSt Page Page 38 For technical questions, please call 1-800-444-3353. SKU 3914 J - MOtOr partS liSt Page liMited 90 day warranty pleaSe read the FOllOwing careFully