{"product_id":"juki-12384400-chain-looper","title":"JUKI 12384400 Chain Looper","description":"\u003ch2\u003eJUKI 12384400 Chain Looper\u003c\/h2\u003e\n\u003cp\u003eJUKI spare part 12384400: Chain Looper. This is a curved thread carrier of overlock and chainstitch machines. In the official JUKI parts list it appears for MOJ, MOG and MO series machines.\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 chain looper forms the chainstitch on the underside of the seam.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eJUKI part number: \u003cstrong\u003e12384400\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name in the JUKI catalog: Chain Looper\u003c\/li\u003e\n\u003cli\u003eType: Loopers\u003c\/li\u003e\n\u003cli\u003eListed in 4 model groups of the official JUKI parts list\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFits these JUKI machines\u003c\/h3\u003e\n\u003cp\u003ePart 12384400 is used on these JUKI machines: MOJ-3900; MOG-3700; MO-6904G-0F6\/MO-6914G-CH6\/MO-6916G-FH6; MO-6904J-0F6\/MO-6914J-CH6\/MO-6916J-FH6.\u003c\/p\u003e\n\u003cp\u003eThe list follows the official JUKI WebPartsList. Machine names are written the way JUKI writes them; one entry can cover several related models.\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). Spare parts are supplied to order; contact us for current availability.\u003c\/p\u003e\n\u003ch3\u003eMore JUKI parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/juki-13102603-oil-reservoir-gasket\"\u003eJUKI 13102603 Oil Reservoir Gasket\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/juki-13143300-oil-gauge\"\u003eJUKI 13143300 Oil Gauge\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/juki-b1646704000a-differential-feed-hinge-screw\"\u003eJUKI B1646704000A Differential Feed Hinge Screw\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/juki-11565504-upper-knife-presser-plate\"\u003eJUKI 11565504 Upper Knife Presser Plate\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/juki-11565702-washer\"\u003eJUKI 11565702 Washer\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eQuestions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWill JUKI 12384400 fit my machine?\u003c\/strong\u003e\u003cbr\u003eFind your model in the list above. If it is not there, or your machine is a variant, send us the model and we will check it against the JUKI parts list before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I order the right part?\u003c\/strong\u003e\u003cbr\u003eOrder by the JUKI part number 12384400. Part numbers in the JUKI catalog are exact, so the number identifies the part.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":50679655956645,"sku":"JUK-12384400","price":63.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/looper.png?v=1792170881","url":"https:\/\/prizzisewing.com\/products\/juki-12384400-chain-looper","provider":"PRIZZI SEWING MACHINE CO.","version":"1.0","type":"link"}