{"title":"Selden Sealing of Keel-Stepped Masts — Service 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\"\u003eSERVICE MANUAL\u003c\/span\u003e\u003cp class=\"om-lead\"\u003eCuring leaks at deck level on a Selden keel-stepped mast with the 312-322-10 sealing kit: mast coat sealing, internal epoxy sealing of conventional (C156-C304) and furling (F176-F305) sections, plus the older procedures for pre-2002 masts and open cable conduits.\u003c\/p\u003e\n\u003cdiv class=\"om-box\"\u003e\n\u003cdiv class=\"om-row\"\u003e\n\u003cspan\u003eDocument\u003c\/span\u003e\u003cb\u003eSelden Sealing of Keel-Stepped Masts Service Manual\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-row\"\u003e\n\u003cspan\u003eFormat\u003c\/span\u003e\u003cb\u003ePDF · 8 pages · 0.6 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\/Selden-Mast-Sealing-Kit-Manual.pdf\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan\u003eService Manual\u003c\/span\u003e\u003csmall\u003ePDF · 8 p.\u003c\/small\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/Selden-Internal-Sealing-of-Masts.pdf\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan\u003eInternal sealing of masts\u003c\/span\u003e\u003csmall\u003ePDF · 8 p.\u003c\/small\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/Selden-Sealing-of-Open-Conduits.pdf\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan\u003eSealing of open conduits, E and D sections\u003c\/span\u003e\u003csmall\u003ePDF · 2 p.\u003c\/small\u003e\u003c\/a\u003e\n\u003c\/div\u003e\u003c\/details\u003e\u003ca class=\"om-btn buy\" href=\"\/products\/selden-sealing-kit-2-comp\"\u003eBuy\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-toc\"\u003e\n\u003ca href=\"#om-prep\"\u003ePreparation\u003c\/a\u003e\u003ca href=\"#om-coat\"\u003eMast Coat\u003c\/a\u003e\u003ca href=\"#om-internal\"\u003eInternal Sealing\u003c\/a\u003e\u003ca href=\"#om-older\"\u003eOlder Masts\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\/SEL312-322-10.jpg?v=1787764329\" alt=\"Selden Sealing of Keel-Stepped Masts — Service Manual\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block om-grid2\" id=\"om-prep\"\u003e\n\u003cdiv\u003e\n\u003ch2 class=\"om-h\"\u003eBefore You Start\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFirst check the leak is not external: poor sealing between mast coat and mast wall, or holes in the coat.\u003c\/li\u003e\n\u003cli\u003eWork in dry weather. Mask deck, mast, collar and the keelson area – the compound tends to flow out. Divert halyards and lines.\u003c\/li\u003e\n\u003cli\u003eRead the safety data sheet supplied with the epoxy compound.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWarning:\u003c\/b\u003e start with a small amount (\u0026lt;100 ml) and watch inside the mast and at the heel below deck. If it leaks through, pour small amounts and let each set before the next.\u003c\/li\u003e\n\u003cli\u003eWhen drying the mast, never heat it above 100˚C – overheating can reduce its structural integrity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2 class=\"om-h\"\u003eNot in the Kit\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMethylated spirits (ethanol), acetone\u003c\/li\u003e\n\u003cli\u003eA scale, containers for mixing, stirring pins\u003c\/li\u003e\n\u003cli\u003eØ8-10 mm drill bit, Ø25 mm hole saw, knife\u003c\/li\u003e\n\u003cli\u003eCleaning cloth, heavy steel wire (internal cleaning)\u003c\/li\u003e\n\u003cli\u003eSmall torch, hair drier\u003c\/li\u003e\n\u003cli\u003eMasking material, measuring tape, transparent adhesive tape\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-coat\"\u003e\n\u003ch2 class=\"om-h\"\u003eSealing the Mast Coat\u003c\/h2\u003e\n\u003cp\u003eRemove the lower hose clamp, turn the collar inside out by lifting it (upper clamp or tape left in place), clean the mast with ethanol and lay a string of the enclosed SIKAFLEX between mast and collar. Pull the collar down and refit the lower clamp over collar and deck ring.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block om-grid2\" id=\"om-internal\"\u003e\n\u003cdiv\u003e\n\u003ch2 class=\"om-h\"\u003eConventional Masts\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eDrill one Ø25 mm hole approximately 50 mm directly above the existing drain hole on one side.\u003c\/li\u003e\n\u003cli\u003eClean inside with steel wire, cloth and ethanol; dry with a hair drier.\u003c\/li\u003e\n\u003cli\u003eTape over all drain holes. For the sail slide compartment, tape the sail groove between collar and kicker fitting leaving a ~5 mm gap; plug the lower kicker rivets with the enclosed plastic plugs if needed.\u003c\/li\u003e\n\u003cli\u003ePour a little at a time to a total of 5-10 mm.\u003c\/li\u003e\n\u003cli\u003eRemove tape and clean with acetone while the compound is semi-set (not fully cured).\u003c\/li\u003e\n\u003cli\u003eWhen cured, re-drill drainage at an angle with an 8-10 mm bit through the old drain holes, right through the epoxy; drain the sail slide compartment just below the kicker fitting if needed.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2 class=\"om-h\"\u003eFurling Masts\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eDrill a Ø25 mm hole into one or both compartments, approximately 50 mm above the drain hole(s).\u003c\/li\u003e\n\u003cli\u003eClean and dry as above.\u003c\/li\u003e\n\u003cli\u003eTape the drain holes and the aft face opening; plug the lower pop-rivet holes in the kicker fitting.\u003c\/li\u003e\n\u003cli\u003ePour to a total of 5-10 mm; clean off with acetone while semi-set.\u003c\/li\u003e\n\u003cli\u003eWhen cured, re-drill drainage at an angle (8-10mm). Remove the tape, leave the plugs.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp class=\"om-note\"\u003eAlternative: inject through the existing ~10 mm drain holes with the enclosed plastic bottle instead of drilling Ø25 mm holes; tape one side, inject on the other, fill 5-10 mm and tape the injection hole quickly. Masts produced between 2002 and 2014 have a different drain hole pattern but usually take the same procedure.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-older\"\u003e\n\u003ch2 class=\"om-h\"\u003eMasts Before 2002 and Open Conduits\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003ch3 class=\"om-h3\"\u003eInternal sealing of masts (595-814-E)\u003c\/h3\u003e\n\u003cp\u003eLocate the leak before contacting Selden: between coat and mast wall (aft part), in the sail groove (on some older sections the groove is also a cable conduit – sealing it prevents retrofitting cables), inside the section, or in the sail compartment \/ cable conduits of in-mast furling masts. Properly applied, the compound is approx. 30 mm thick. Check the internal sealing block has not moved; if the leak is wide, start with ~200ml.\u003c\/p\u003e\n\u003cdiv class=\"om-tbl nw\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart No.\u003c\/th\u003e\n\u003cth\u003eSealing kit 312-322-10 contents (595-814-E)\u003c\/th\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e312-411\u003c\/td\u003e\n\u003ctd\u003eNM hardener 1348\u003c\/td\u003e\n\u003ctd\u003e\u003ca class=\"om-ask\" href=\"\/pages\/contact\"\u003eAsk us to source it →\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e312-412\u003c\/td\u003e\n\u003ctd\u003eNM ME 52 T Tix\u003c\/td\u003e\n\u003ctd\u003e\u003ca class=\"om-ask\" href=\"\/pages\/contact\"\u003eAsk us to source it →\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e590-190\u003c\/td\u003e\n\u003ctd\u003ePlastic bottle, 1000 ml\u003c\/td\u003e\n\u003ctd\u003e\u003ca class=\"om-ask\" href=\"\/pages\/contact\"\u003eAsk us to source it →\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e319-511\u003c\/td\u003e\n\u003ctd\u003ePlastic plugs to kicker bracket (18x)\u003c\/td\u003e\n\u003ctd\u003e\u003ca class=\"om-ask\" href=\"\/pages\/contact\"\u003eAsk us to source it →\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e592-050\u003c\/td\u003e\n\u003ctd\u003eDisposable gloves (4x)\u003c\/td\u003e\n\u003ctd\u003e\u003ca class=\"om-ask\" href=\"\/pages\/contact\"\u003eAsk us to source it →\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e312-307\u003c\/td\u003e\n\u003ctd\u003eSikaflex tube, 70 ml\u003c\/td\u003e\n\u003ctd\u003e\u003ca class=\"om-ask\" href=\"\/pages\/contact\"\u003eAsk us to source it →\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3 class=\"om-h3\"\u003eSealing of open conduits (595-548-E)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMasts with open conduits carry a red warning label above the mast coat. Fit any additional cables before sealing.\u003c\/li\u003e\n\u003cli\u003eSealing pack 2 (312-301-02): 1 tube silicone rubber, 1 bottle with glue (100 ml) for secondary sealing, 1 piece of foamed plastics.\u003c\/li\u003e\n\u003cli\u003eInject silicone into the two holes, then the sail groove; cover holes and groove above the coat with tape; push the lower cushion up until silicone squeezes out. Clearance between the cushions not less than ca 7 mm (= hole diameter). Remove the warning label.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\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":"selden-sealing-kit-2-comp","title":"Selden Secondary Sealing of a Keel-stepped Mast","description":"\u003cp\u003eThe sealing kit is intended for masts with internal leakage in halyard and sail compartments (in-mast furling masts). Careful attention to instructions in the link below will improve the overall results The sealing kit includes\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":51564860047666,"sku":"SEL312-322-10","price":290.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL312-322-10.jpg?v=1787764329"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/collections\/SEL312-322-10.jpg?v=1792518262","url":"https:\/\/www.mauripro.com\/collections\/owners-manuals-selden-mast-sealing.oembed","provider":"MAURIPRO Sailing","version":"1.0","type":"link"}