{"title":"Muir Easyweigh VC800 Vertical Inline Capstan — Owner's Manual","description":"\u003clink rel=\"stylesheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/om-manual-v2.css\"\u003e\u003cstyle\u003e.mpom .om-tbl.nw td+td{white-space:nowrap}.mpom details.om-dd{position:relative;margin:0}.mpom details.om-dd\u003esummary{list-style:none;cursor:pointer}.mpom details.om-dd\u003esummary::-webkit-details-marker{display:none}.mpom .om-dd-menu{position:absolute;left:0;top:calc(100% + 6px);min-width:100%;width:max-content;max-width:360px;background:#fff;border:1px solid #e3e5e8;border-radius:6px;box-shadow:0 8px 24px rgba(0,0,0,.14);z-index:30;padding:6px}.mpom .om-dd-menu a{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:10px 12px;border-radius:4px;font-size:14px;font-weight:600;color:#2a2b2a!important;text-decoration:none!important}.mpom .om-dd-menu a:hover{background:#f5f6f8}.mpom .om-dd-menu small{font-weight:400;color:#5f6368;white-space:nowrap}\u003c\/style\u003e\u003cdiv class=\"mpom\"\u003e\n\u003cdiv class=\"om-head\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"om-tag\"\u003eOWNER'S MANUAL\u003c\/span\u003e\u003cp class=\"om-lead\"\u003eInstallation, wiring, operation, servicing schedule and deck template for the Muir Easyweigh VC800 vertical inline capstan, the mooring capstan that runs clockwise only.\u003c\/p\u003e\n\u003cdiv class=\"om-box\"\u003e\n\u003cdiv class=\"om-row\"\u003e\n\u003cspan\u003eDocument\u003c\/span\u003e\u003cb\u003eMuir Easyweigh VC800 Vertical Inline Capstan Owner's Manual\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-row\"\u003e\n\u003cspan\u003eFormat\u003c\/span\u003e\u003cb\u003ePDF · 21 pages · 1.4 MB\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-row\" style=\"border-bottom:0\"\u003e\n\u003cspan\u003eLanguage\u003c\/span\u003e\u003cb\u003eEnglish\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-acts\"\u003e\n\u003cdetails class=\"om-dd\"\u003e\u003csummary class=\"om-btn dl\"\u003e\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M12 4v11\"\u003e\u003c\/path\u003e\u003cpath d=\"m7 10 5 5 5-5\"\u003e\u003c\/path\u003e\u003cpath d=\"M5 20h14\"\u003e\u003c\/path\u003e\u003c\/svg\u003e Download PDF ▾\u003c\/summary\u003e\u003cdiv class=\"om-dd-menu\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/Muir-Easyweigh-VC800-Capstan-Owners-Manual.pdf\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan\u003eOwner's Manual\u003c\/span\u003e\u003csmall\u003ePDF · 21 p.\u003c\/small\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/Muir-Easyweigh-VC800-Capstan-Deck-Template.pdf\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan\u003eVC800 deck template (1:1)\u003c\/span\u003e\u003csmall\u003ePDF · 1 p.\u003c\/small\u003e\u003c\/a\u003e\n\u003c\/div\u003e\u003c\/details\u003e\u003ca class=\"om-btn buy\" href=\"\/products\/mui-mc80012i\"\u003eBuy\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-toc\"\u003e\n\u003ca href=\"#om-specs\"\u003eKey Facts\u003c\/a\u003e\u003ca href=\"#om-install\"\u003eInstallation\u003c\/a\u003e\u003ca href=\"#om-electric\"\u003eLocation \u0026amp; Wiring\u003c\/a\u003e\u003ca href=\"#om-use\"\u003eOperation \u0026amp; Service\u003c\/a\u003e\u003ca href=\"#om-trouble\"\u003eTroubleshooting\u003c\/a\u003e\u003ca href=\"#om-warranty\"\u003eWarranty\u003c\/a\u003e\u003ca href=\"#om-products\"\u003eProducts\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\/MUIR_-_2025-12-04T115447.236.jpg?v=1764867296\" alt=\"Muir Easyweigh VC800 Vertical Inline Capstan — Owner's Manual\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-specs\"\u003e\n\u003ch2 class=\"om-h\"\u003eKey Facts\u003c\/h2\u003e\n\u003cdiv class=\"om-tbl nw\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eVC800\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eVertical inline mooring capstan (Easyweigh series)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRotation\u003c\/td\u003e\n\u003ctd\u003eClockwise only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor wiring\u003c\/td\u003e\n\u003ctd\u003eTwo-terminal motor, single direction: battery + to motor A1(+), battery − to motor A2(−)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDeck template (1:1)\u003c\/td\u003e\n\u003ctd\u003eBase ø140, cut-out ø104; drill 3 holes ø10 for M8 at PCD ø126\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiring components on the diagram\u003c\/td\u003e\n\u003ctd\u003eCircuit breaker P\/N F80-CB, deck switch P\/N F80-DS, isolating switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"om-note\"\u003eWired the wrong way round, the VC800 motor is damaged and the warranty is void. Always connect battery positive to the motor positive terminal and battery negative to the motor negative terminal.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-install\"\u003e\n\u003ch2 class=\"om-h\"\u003eInstallation\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003ePick a spot with a clear lead for the rope, as close to perpendicular to the rope source as possible, and room below deck for the cables or hydraulic lines.\u003c\/li\u003e\n\u003cli\u003eOn an angled or curved deck, fit a shaped mounting block so the base sits level; a spacer below deck may be needed depending on deck thickness.\u003c\/li\u003e\n\u003cli\u003eMark the mounting centres with the template and drill. Disassemble the capstan for installation.\u003c\/li\u003e\n\u003cli\u003eBed the base plate (and block) in sealant. On aluminium or steel hulls insulate with a non-conductive gasket, also below deck under bolts, nuts and washers. On light or foam-sandwich decks fit a plywood stiffener of at least 16mm (5\/8\") under the deck.\u003c\/li\u003e\n\u003cli\u003eFit the base mounting screws and check there is enough thread through the spacer below deck.\u003c\/li\u003e\n\u003cli\u003eWith the shaft in place for alignment, slide the motor\/gearbox on, fit washer and nut on each bolt and tighten. Check the shaft turns freely and is not jammed on the gearbox key. Remove excess sealant.\u003c\/li\u003e\n\u003cli\u003eFit a spacer on the shaft below the gearbox, then the two washers and the fixing bolt.\u003c\/li\u003e\n\u003cli\u003eGrease shaft and key, slide the capstan on with the key aligned and screw it to the shaft. The shaft should have approximately 0.5mm up\/down movement and the capstan must not bind on the base.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp class=\"om-note\"\u003eThe deck template is in the PDF downloads: print it at 100% (scale 1:1) and check it against the printed cm scale bar before drilling.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block om-grid2\" id=\"om-electric\"\u003e\n\u003cdiv\u003e\n\u003ch2 class=\"om-h\"\u003eCapstan Location\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenerally near the aft quarter, close to bollards or cleats and suitable fairleads.\u003c\/li\u003e\n\u003cli\u003eAlign it so the mooring line leads from the fairlead onto the bottom of the drum, for 3 or 4 wraps.\u003c\/li\u003e\n\u003cli\u003eOnce the line is in, unwrap it from the drum and cleat it off nearby: full wind loads on the mooring lines must not go onto the capstan. Leaving the line loaded on the drum voids the warranty.\u003c\/li\u003e\n\u003cli\u003eUse stretchy mooring rope (nylon or polyester), not non-stretch rope such as Dyneema: the give reduces peak loads, and Dyneema slips easily on the drum. Size the rope so it is flexible enough to grip the drum.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2 class=\"om-h\"\u003eElectrical\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCircuit breaker: must be fitted to keep the warranty. It cuts power if the capstan is overloaded or stalled; do not use it as an isolating switch.\u003c\/li\u003e\n\u003cli\u003eIsolating switch: accessible, ideally close to the battery or switches. It is not a circuit breaker.\u003c\/li\u003e\n\u003cli\u003eDeck switches: to port, starboard or directly behind the unit, where you can reach them with foot or knee.\u003c\/li\u003e\n\u003cli\u003eBattery as close to the motor as possible; larger cables cut voltage drop and heat.\u003c\/li\u003e\n\u003cli\u003eSolenoid (required for deck switches): mount it upright, out of sea water and close to the motor. Single or dual direction wiring; toggle switch, hand pendant or auto-anchor control packages are available.\u003c\/li\u003e\n\u003cli\u003eIncorrect wiring can cause failure and a fire hazard: follow the wiring diagrams in the PDF.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"height:16px\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"om-tbl nw\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eDistance battery to motor\u003c\/th\u003e\n\u003cth\u003eCable size\u003c\/th\u003e\n\u003cth\u003eAWG\u003c\/th\u003e\n\u003cth\u003eCable core diameter\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u0026lt; 7 m (23')\u003c\/td\u003e\n\u003ctd\u003e16 mm²\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e5 mm (13\/64\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8–11 m (26'–36')\u003c\/td\u003e\n\u003ctd\u003e25 mm²\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e7 mm (17\/64\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12–16 m (39'–53')\u003c\/td\u003e\n\u003ctd\u003e35 mm²\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e8 mm (5\/16\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block om-grid2\" id=\"om-use\"\u003e\n\u003cdiv\u003e\n\u003ch2 class=\"om-h\"\u003eOperating\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eWrap the rope round the drum 3 or 4 times and run the switch while keeping load on the tail. Light loads (small anchors, sails) need three or four turns; heavier loads need more turns.\u003c\/li\u003e\n\u003cli\u003eTo ease the line out, reduce the tail load and let it slip round the drum; for faster pay-out, unwrap it.\u003c\/li\u003e\n\u003cli\u003eManage the load by varying the pull on the tail; if the capstan labours, ease the tail and let the rope slip a little.\u003c\/li\u003e\n\u003cli\u003eNever run the capstan stalled or overloaded, and never use it as a mooring bollard.\u003c\/li\u003e\n\u003cli\u003eDo not press the UP and DOWN switches at the same time: reversing a running motor can damage it.\u003c\/li\u003e\n\u003cli\u003eIf the capstan recovers an anchor on a small boat, do not let the anchor chain wrap round the drum.\u003c\/li\u003e\n\u003cli\u003eIn high wind or heavy seas use engine or thrusters to move the boat towards the load instead of relying on the capstan alone.\u003c\/li\u003e\n\u003cli\u003eThe VC800 only works clockwise.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2 class=\"om-h\"\u003eServicing\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThe gear drive is filled and sealed at the factory with long-life synthetic oil; no regular oil change is needed.\u003c\/li\u003e\n\u003cli\u003eRinse all deck gear with fresh water after every trip.\u003c\/li\u003e\n\u003cli\u003ePleasure boats: strip yearly, clean all moving parts and grease with a marine, Teflon or lithium based grease (e.g. Shell Gadus S220). Work and charter boats: more often.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"height:16px\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"om-tbl nw\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eWhen\u003c\/th\u003e\n\u003cth\u003eProcedure\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAt installation\u003c\/td\u003e\n\u003ctd\u003eSee the installation section\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6 months\u003c\/td\u003e\n\u003ctd\u003eCheck all bolts are tight; check grease tape \/ anti-corrosion film on the motor and gear drive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12 months, 2 years, 3 years\u003c\/td\u003e\n\u003ctd\u003eStrip, clean, fully grease and lubricate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4 years\u003c\/td\u003e\n\u003ctd\u003eFull winch service: all of the above, plus drain and refill the gearbox with 320 grade gear oil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block om-grid2\" id=\"om-trouble\"\u003e\n\u003cdiv\u003e\n\u003ch2 class=\"om-h\"\u003eElectrical\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eCheck the circuit breaker and that the isolating switch is on.\u003c\/li\u003e\n\u003cli\u003eCheck the battery is charged (12 or 24 volts).\u003c\/li\u003e\n\u003cli\u003eCheck the foot switch plunger is contacting.\u003c\/li\u003e\n\u003cli\u003eCheck the solenoid is contacting; if it only clicks, suspect low voltage, a faulty solenoid or a loose wire.\u003c\/li\u003e\n\u003cli\u003eCheck the wiring between controls, solenoid and motor.\u003c\/li\u003e\n\u003cli\u003eIf the motor still will not turn, check the motor brushes are not worn or sticking.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2 class=\"om-h\"\u003eMechanical\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eCheck the drive key between gearbox and motor input.\u003c\/li\u003e\n\u003cli\u003eCheck the drive key on the main shaft to the capstan.\u003c\/li\u003e\n\u003cli\u003eCheck the drive key on the main shaft to the gearbox output.\u003c\/li\u003e\n\u003cli\u003eHydraulic motor problems: refer to a Muir service agent.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-warranty\"\u003e\n\u003ch2 class=\"om-h\"\u003eWarranty\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3 years for the first owner, from the date of purchase, against defects in material and workmanship; effective on receipt of the warranty registration with the serial number.\u003c\/li\u003e\n\u003cli\u003eCharter or hire vessels: 1 year. Limited to twelve months for electric motors\/controls, hydraulic pumps\/controls\/valves, weather seals and use on charter\/hire\/commercial boats.\u003c\/li\u003e\n\u003cli\u003eVoid if the boat lies directly on the windlass without a chain stopper, or if mooring ropes load the capstan directly instead of a bollard; no circuit breaker also voids it.\u003c\/li\u003e\n\u003cli\u003eNot covered: normal wear, neglect, lack of maintenance, improper installation or service by anyone other than an authorised Muir representative, use outside the performance specification. Defective product must be returned to Muir for inspection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp class=\"om-note\"\u003eThis document covers the Muir models named above, as printed in the PDF. The Muir windlasses we stock today are listed below; motor ratings and parts can differ between generations, so check the model plate and \u003ca href=\"\/pages\/contact\"\u003eask us\u003c\/a\u003e before ordering spares.\u003c\/p\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":"mui-mc80012i","title":"Muir Vertical Capstan, 800W, 12V","description":"\u003cp\u003eThe Muir Vertical Capstan (MC800i) provides reliable line-handling power in a compact, space-saving design suitable for a variety of vessels. This 12V model features an 800W motor, offering ample strength for docking and mooring assistance. Its durable construction and polished finish ensure long-lasting performance and a clean look on deck. The vertical configuration is ideal for installations where space is at a premium.\u003c\/p\u003e\n\u003cp\u003eOur Part # \u003cspan\u003eMUI-MC80012I\u003c\/span\u003e | Mfr. Part # \u003cspan\u003eMC80012I\u003c\/span\u003e\u003c\/p\u003e","brand":"Muir","offers":[{"title":"Default Title","offer_id":50621407396146,"sku":"MUI-MC80012I","price":974.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/MUIR_-_2025-12-04T115447.236.jpg?v=1764867296"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/collections\/MUIR_-_2025-12-04T115447.236.jpg?v=1792709589","url":"https:\/\/www.mauripro.com\/collections\/owners-manuals-muir-easyweigh-vc800-capstan.oembed","provider":"MAURIPRO Sailing","version":"1.0","type":"link"}