{"title":"Harken MKIII Jib Reefing \u0026 Furling Unit 4 — Installation Manual","description":"\u003clink rel=\"stylesheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/om-manual-v1.css?v=1790893904\"\u003e\u003cdiv class=\"mpom\"\u003e\n\u003cdiv class=\"om-head\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"om-tag\"\u003eINSTALLATION MANUAL\u003c\/span\u003e\u003cp class=\"om-lead\"\u003eThe original Harken installation manual for the MKIII Jib Reefing \u0026amp; Furling Unit 4, with every part in it that we carry, matched by Harken part number.\u003c\/p\u003e\n\u003cdiv class=\"om-box\"\u003e\n\u003cdiv class=\"om-doc\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eInstallation Manual\u003c\/b\u003e\u003csmall\u003ePDF · 32 pages · 1.4 MB\u003c\/small\u003e\n\u003c\/div\u003e\n\u003ca class=\"om-btn dl\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/Harken-MKIII-Jib-Reefing-Furling-Unit-4-Installation-Manual.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDownload PDF\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ca class=\"om-btn buy\" href=\"\/products\/har1549\"\u003eBuy\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-img\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HAR1549.jpg?v=1747147718\" alt=\"MKIII Jib Reefing \u0026amp; Furling Unit 4\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"om-h\"\u003eParts in this Manual We Carry\u003c\/h2\u003e\n\u003cp\u003eHarken part numbers as printed in the installation manual, matched to the genuine parts in our store.\u003c\/p\u003e\n\u003cdiv class=\"om-tbl\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eHarken part no.\u003c\/th\u003e\n\u003cth\u003eOur part\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1549\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/har1549\"\u003eBlock - Classic Midrange HexaRatchet 76mm Single\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2670\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/har2670\"\u003eBlock - Carbo Power3 Switchable 75mm Single - Swivel \/ Standard Grip (Black)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2660\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/har2660\"\u003eBlock - Carbo 75mm Single - Swivel\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"om-note\"\u003eNeed a part that isn't listed? \u003ca href=\"\/pages\/contact\"\u003eAsk us to source it\u003c\/a\u003e and quote the part number from the PDF.\u003c\/p\u003e\n\u003ch2 class=\"om-h\" id=\"om-products\"\u003eProducts in this Manual\u003c\/h2\u003e\n\u003c\/div\u003e","products":[{"product_id":"har1549","title":"Harken Block - Classic Midrange HexaRatchet 76mm Single","description":"\u003cp\u003eThe Classic Midrange HexaRatchet 76mm Single #1549 is perfect for sailors who want control and efficiency when handling sheets. It's designed to grip loaded sheets tightly, while still allowing quick trim for ease and precision. With a simple switch on the side, you can effortlessly engage or disengage the ratchet mechanism.\u003c\/p\u003e \u003cp\u003e\u003cb\u003eBenefits\u003c\/b\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eEfficient ratchet mechanism for smooth trimming\u003c\/li\u003e \u003cli\u003eSimple switch for easy engagement and disengagement\u003c\/li\u003e \u003cli\u003eReliable grip on loaded sheets\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eCrafted with durable materials, this block features a 76mm diameter, making it ideal for midrange applications. It's compatible with various sailing setups, ensuring versatility and performance on the water. Engineered to meet the demands of avid sailors, this block offers technical reliability you can count on.\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":50016287392050,"sku":"HAR1549","price":239.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HAR1549.jpg?v=1747147718"},{"product_id":"har2660","title":"Harken Block - Carbo 75mm Single - Swivel","description":"\u003cp\u003eThe Harken Block - Carbo 75mm Single - Swivel #2660 is your go-to for smooth, effortless sailing. It's all about reliability and ease, making your trimming tasks a breeze without breaking the bank. You’ll appreciate how this harken block combines lightweight strength with high load capacity, ensuring a safe sailing experience.\u003c\/p\u003e \u003cp\u003e\u003cb\u003eBenefits\u003c\/b\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eLightweight and compact design.\u003c\/li\u003e \u003cli\u003eHigh working load capacity for increased safety.\u003c\/li\u003e \u003cli\u003eLow-friction swivel functionality for easy trimming.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eCrafted with advanced Carbo material, this block is both durable and feather-light, perfect for sailors who need dependable gear. The 75mm size makes it versatile for various applications, while maintaining compatibility with a wide range of sailing equipment. Designed to withstand the rigors of the sea, its low-friction mechanism ensures smooth operation and long-term performance.\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":50016296993074,"sku":"HAR2660","price":98.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HAR2660.jpg?v=1747147749"},{"product_id":"har2670","title":"Harken Block - Carbo Power3 Switchable 75mm Single - Swivel \/ Standard Grip (Black)","description":"\u003cp\u003eThe Carbo Power3 Switchable 75mm Single - Swivel \/ Standard Grip (Black) #2670 is perfect for sailors who need reliable line control. It's designed to help you hold loaded lines comfortably, offering an excellent balance between grip and ease of release. This harken block is a trusty companion for sailing enthusiasts looking for quality and performance.\u003c\/p\u003e \u003cp\u003e\u003cb\u003eBenefits\u003c\/b\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eSwitchable ratchet system for adjustable holding power\u003c\/li\u003e \u003cli\u003eSwivel feature for optimal line alignment\u003c\/li\u003e \u003cli\u003eStandard grip ensures comfort during use\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eMade from durable composite materials, this block features a 75mm sheave diameter. It's compatible with a variety of line sizes and is designed for easy integration into your existing sailing setup. Engineered to withstand the tough marine environment, it ensures longevity and consistent performance.\u003c\/p\u003e \u003cp\u003e\u003cb\u003eUsage\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003eIdeal for use in dinghy and small keelboat applications where precise line handling is crucial.\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":50016297386290,"sku":"HAR2670","price":104.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HAR2670.jpg?v=1747147749"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/collections\/HAR1549.jpg?v=1790895393","url":"https:\/\/www.mauripro.com\/collections\/owners-manuals-harken-mkiii-jib-reefing-furling-unit-4.oembed","provider":"MAURIPRO Sailing","version":"1.0","type":"link"}