{"product_id":"juki-11999307-lower-looper","title":"JUKI 11999307 Lower Looper","description":"\u003ch2\u003eJUKI 11999307 Lower Looper\u003c\/h2\u003e\n\u003cp\u003eJUKI spare part 11999307: Lower Looper. This is a curved thread carrier of overlock and chainstitch machines. JUKI includes it in its parts kit for the JUKI MO-6704, MO-6714 and MO-6716.\u003c\/p\u003e\n\u003cp\u003eUpper and lower loopers move in step with the needles and the knives and lay the looper thread to form the stitch. A smooth looper of the right shape lets the thread run freely, and wear or damage here shows up directly in the seam. The lower looper lays the lower looper thread under the fabric edge in the overlock stitch.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eJUKI part number: \u003cstrong\u003e11999307\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Lower Looper\u003c\/li\u003e\n\u003cli\u003eType: Loopers\u003c\/li\u003e\n\u003cli\u003eQuantity in the JUKI kit \u003ca href=\"\/products\/spare-parts-kit?variant=45911281500325\"\u003e40181182\u003c\/a\u003e (MO-6704, MO-6714 and MO-6716): 2\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFits these JUKI machines\u003c\/h3\u003e\n\u003cp\u003eJUKI's parts kit sheets list part 11999307 for: JUKI MO-6704, MO-6714 and MO-6716.\u003c\/p\u003e\n\u003cp\u003eThe machine names are written the way JUKI writes them.\u003c\/p\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSkipped stitches or uneven loops\u003c\/li\u003e\n\u003cli\u003eThe thread breaks or frays at the looper eye or point\u003c\/li\u003e\n\u003cli\u003eGrooves, burrs or a bent tip are visible\u003c\/li\u003e\n\u003cli\u003eThe needle strikes the looper or leaves marks on it\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSkipped stitches and thread breaks have many causes. Before you replace a part, check that the needle is new, the right size and system and fully inserted, and check the threading and the tension.\u003c\/p\u003e\n\u003cp\u003eSet looper timing and clearance to the needle after installing, as described in the JUKI Engineer's Manual for your model. Switch the machine off and unplug it before you start, and turn the handwheel by hand through a full stitch before the first run.\u003c\/p\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eLoopers differ by machine model and by position (upper, lower, left, right, chain).\u003c\/p\u003e\n\u003ch3\u003eIncluded in these JUKI kits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/spare-parts-kit?variant=45911281500325\"\u003eSpare Parts Kit - JUKI MO-6704\/6714\/6716\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":50685070442661,"sku":"JUK-11999307","price":40.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/looper_v2.png?v=1792259085","url":"https:\/\/prizzisewing.com\/products\/juki-11999307-lower-looper","provider":"PRIZZI SEWING MACHINE CO.","version":"1.0","type":"link"}