{"product_id":"juki-21389408-clamp-spring","title":"JUKI 21389408 Clamp Spring","description":"\u003ch2\u003eJUKI 21389408 Clamp Spring\u003c\/h2\u003e\n\u003cp\u003eJUKI spare part 21389408: Clamp Spring. This is a spring that supplies the force for a specific movement or setting. JUKI includes it in its parts kit for the JUKI LU-2810\/X73178.\u003c\/p\u003e\n\u003cp\u003eSprings in a sewing machine return levers and hold tensions and pressures at a set value. They lose force over time, and a weak spring changes how the mechanism around it behaves.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eJUKI part number: \u003cstrong\u003e21389408\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Clamp Spring\u003c\/li\u003e\n\u003cli\u003eType: Springs\u003c\/li\u003e\n\u003cli\u003eQuantity in the JUKI kit \u003ca href=\"\/es\/products\/juki-40202815-parts-kit-lu-2810-x73178-ja\"\u003e40202815\u003c\/a\u003e (LU-2810\/X73178): 1\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 21389408 for: JUKI LU-2810\/X73178.\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\u003eA setting no longer holds or the movement feels weak\u003c\/li\u003e\n\u003cli\u003eThe spring is stretched, bent, kinked or broken\u003c\/li\u003e\n\u003cli\u003eTension or pressure drifts even after adjustment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstall it in the same position and hook it the same way as the original, and check the adjustment that depends on it afterwards.\u003c\/p\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eSprings differ in length, wire thickness and force even when they look alike, so match the JUKI number rather than the look.\u003c\/p\u003e\n\u003ch3\u003eIncluded in these JUKI kits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/es\/products\/juki-40202815-parts-kit-lu-2810-x73178-ja\"\u003eJUKI 40202815 Parts Kit LU-2810\/X73178 (JA)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eQuestions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan I stretch or shorten a spring to adjust it?\u003c\/strong\u003e\u003cbr\u003eNo. A modified spring will not give the force the mechanism was designed for. Replace it with the correct part.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":50685074309285,"sku":"JUK-21389408","price":15.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/spring_v2.png?v=1792259085","url":"https:\/\/prizzisewing.com\/es\/products\/juki-21389408-clamp-spring","provider":"PRIZZI SEWING MACHINE CO.","version":"1.0","type":"link"}