{"title":"Selden Furling Mast Type RA — 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\"\u003eOwner's manual for the Selden type RA furling mast (extrusions 190\/94, 213\/104, 235\/116): luff-extrusion tension, cockpit and at-mast operation, hoisting and furling the main, sail requirements, maintenance and dismantling the gear and halyard swivel.\u003c\/p\u003e\n\u003cdiv class=\"om-box\"\u003e\n\u003cdiv class=\"om-row\"\u003e\n\u003cspan\u003eDocument\u003c\/span\u003e\u003cb\u003eSelden Furling Mast Type RA Owner's Manual\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-row\"\u003e\n\u003cspan\u003eFormat\u003c\/span\u003e\u003cb\u003ePDF · 16 pages · 1.0 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\u003ca class=\"om-btn dl\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/Selden-Furling-Mast-Type-RA-Owners-Manual.pdf\" target=\"_blank\" rel=\"noopener\"\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\/a\u003e\u003ca class=\"om-btn buy\" href=\"\/products\/selden-linedriver-assy-fln-ra\"\u003eBuy\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-toc\"\u003e\n\u003ca href=\"#om-product\"\u003eProduct\u003c\/a\u003e\u003ca href=\"#om-tension\"\u003eLuff Extrusion\u003c\/a\u003e\u003ca href=\"#om-rig\"\u003eLine Layout\u003c\/a\u003e\u003ca href=\"#om-operation\"\u003eOperation\u003c\/a\u003e\u003ca href=\"#om-sail\"\u003eSail \u0026amp; Mast\u003c\/a\u003e\u003ca href=\"#om-maint\"\u003eMaintenance\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\/SEL540-054.jpg?v=1787842874\" alt=\"Selden Furling Mast Type RA — Owner's Manual\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-product\"\u003e\n\u003ch2 class=\"om-h\"\u003eThe RA Furling Mast\u003c\/h2\u003e\n\u003cp class=\"om-note\"\u003eDiscontinued model — documents and spare parts as printed. Spare parts list: see the RB\/RC page (RA–RC list).\u003c\/p\u003e\n\u003cp\u003eA main reefing and furling system whose roller mechanism is based on Furlex. The halyard swivel bearing spreads load over the whole ball race; the whole reefing mechanism can be removed for service, and all screws go into stainless inserts. An extra luff groove takes a storm trysail, spare main or a rope-luff foresail. Components: luff extrusion in the sail compartment, cable conduit, reefing winch and roller mechanism at the foot, upper and lower greasing holes, sail feeder, clew outhaul car, halyard swivel, masthead bearing, 2:1 topping lift and an extra sheave box for a furling-jib halyard.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-tension\"\u003e\n\u003ch2 class=\"om-h\"\u003eLuff Extrusion Tension\u003c\/h2\u003e\n\u003cp\u003eCorrectly tensioned at manufacture and normally needs no adjustment; re-tension only if it seems slack. Do not over-tension – you may overload the system.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eMainsail removed. Lift off the covers: press in one of the buttons and push, lift the opposite end and pull.\u003c\/li\u003e\n\u003cli\u003eLoosen the lock screw enough to free the locking sleeve.\u003c\/li\u003e\n\u003cli\u003ePush the locking sleeve up level with the upper opening; put in your left hand and grip it firmly.\u003c\/li\u003e\n\u003cli\u003eTurn the tensioning screw with a winch handle in the drive unit (reefing winch). When the locking sleeve slips in your hand, the luff extrusion is acceptably tensioned.\u003c\/li\u003e\n\u003cli\u003eAdjust the turn so the locking sleeve can be drawn down over the bottom of the luff extrusion.\u003c\/li\u003e\n\u003cli\u003ePull the locking sleeve down to the locking position.\u003c\/li\u003e\n\u003cli\u003eTighten the lock screw to hold it.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cdiv class=\"om-tbl nw\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSystem\u003c\/th\u003e\n\u003cth\u003eExtrusion\u003c\/th\u003e\n\u003cth\u003eMeasured force P with 10\" winch handle\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType RA\u003c\/td\u003e\n\u003ctd\u003e190\/94, 213\/104, 235\/116\u003c\/td\u003e\n\u003ctd\u003e16 N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-rig\"\u003e\n\u003ch2 class=\"om-h\"\u003eOperating Lines\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eReef with a reefing line plus the outhaul, from the cockpit or at the mast (then also lead the outhaul to the boom or mast near the gooseneck).\u003c\/li\u003e\n\u003cli\u003eFrom the cockpit: an endless reefing loop on a self-tailing winch, with surplus length to lift it off the winch and the tail belayed on a cleat or clam cleat (aluminium clam cleats CL 238 with spring gate shown). Use 10 mm diameter double-plaited line for the loop. A rope-stopper must be one you can open to feed a pre-spliced loop.\u003c\/li\u003e\n\u003cli\u003eSet the reefing winch to \"free\" when reefing from the cockpit. The mast turning block has removable sheaves and a slit so a pre-spliced loop fits; use these turning blocks for reefing control lines only. Deck lead blocks with removable sheaves: 538-809-01 (three sheaves) or 538-810-01 (4 sheaves). Alternative clew-outhaul lead: part no. 508-124.\u003c\/li\u003e\n\u003cli\u003eOuthaul: self-tailing winch and a stopper that allows controlled paying out. Topping lift and kicker best led to the cockpit on stoppers; topping lift with a figure-of-eight stopper knot where it leaves the boom, set so the boom can't drop below its lowest necessary level (not needed with a rod kicker).\u003c\/li\u003e\n\u003cli\u003eBecause the endless line runs through the same turning block both ways, watch for chafe and friction against the kicker's mast attachment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-operation\"\u003e\n\u003ch2 class=\"om-h\"\u003eOperation\u003c\/h2\u003e\n\u003cdiv class=\"om-grid2\"\u003e\n\u003cdiv\u003e\n\u003ch3 class=\"om-h3\"\u003eUnfurling\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFree both sides of the endless loop from the winch and clam cleat so it slides on the reefing winch.\u003c\/li\u003e\n\u003cli\u003ePull the sail out with the outhaul.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"om-h3\"\u003eFurling \/ reefing\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKeep the leech fairly taut (adjust with the topping lift) so the sail rolls tightly on the luff extrusion.\u003c\/li\u003e\n\u003cli\u003eEase the outhaul carefully and, still easing with slight tension, take in the endless loop on the winch – especially with the wind abaft the beam or in light air.\u003c\/li\u003e\n\u003cli\u003eAt the reef you want, stretch the foot with the outhaul. From the cockpit make both sides of the reefing line fast, then tension the outhaul. At the mast, set the reefing-winch lock to \"in\" before reefing.\u003c\/li\u003e\n\u003cli\u003eAlways lock the reefing winch when leaving the boat, and when reefing in heavy wind.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"om-note\"\u003eNever leave the handle in the reefing winch – it spins very fast when the sail is unfurled.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3 class=\"om-h3\"\u003eFitting \u0026amp; hoisting the sail\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eCheck tack and head are made as illustrated – a wrong tack causes wrinkles and stiff furling.\u003c\/li\u003e\n\u003cli\u003eRemove the covers (press a button and push, lift the other end).\u003c\/li\u003e\n\u003cli\u003eHead to the halyard swivel.\u003c\/li\u003e\n\u003cli\u003eOuthaul block to the clew.\u003c\/li\u003e\n\u003cli\u003eHoist until about 700 mm (2'3\") remains between foot and the top of the sail feeder, checking the luff feeds correctly.\u003c\/li\u003e\n\u003cli\u003eFeed the bottom of the luff in below the feeder and hook on the tack.\u003c\/li\u003e\n\u003cli\u003eTension the halyard until horizontal folds disappear and lock it; adjust under sail for draft.\u003c\/li\u003e\n\u003cli\u003eFurl the sail in until only the clew shows. The extrusion is asymmetric: always roll the sail onto its starboard side – turn the reefing winch clockwise.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eBefore sailing: check the sail is on the starboard side of the extrusion and furl \/ unfurl a couple of times on the mooring.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-sail\"\u003e\n\u003ch2 class=\"om-h\"\u003eSail Requirements \u0026amp; Mast Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eLuff must fold easily round the extrusion – no heavy cloth in the luff. Luff foam may be used but no closer than 50 mm (2\") to the luff edge.\u003c\/li\u003e\n\u003cli\u003eLuff tape max 5 mm (13\/64\"), max 4 mm hard line. Head and tack tapes soft, no metal eyelets. Clew cringle max 14 mm thick to fit the outhaul block.\u003c\/li\u003e\n\u003cli\u003eSpare main: the sail groove on the aft face of the mast takes a reserve sail; a Furlex-type foresail with luff tape can be used.\u003c\/li\u003e\n\u003cli\u003eAnti-vibration strip (optional): hoisted in the spare groove, it stops the longitudinal oscillation (3–6 cycles per second in 4–12 knots abeam) and reduces wind noise.\u003c\/li\u003e\n\u003cli\u003eCables: every extrusion has a cable conduit (through to the foot on keel-stepped masts) with a factory messenger – always pull a new messenger through with any cable. Cables enter by the head box (leave them long enough to lift the head box without disconnecting) and exit in the heel casting. Retro-fitted cables at the front of the mast go through the halyard chamber, pulled tight.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-maint\"\u003e\n\u003ch2 class=\"om-h\"\u003eMaintenance \u0026amp; Dismantling\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAt least once a year grease all bearings with Selden grease 312-501 (a tube comes with the mast): halyard swivel (best when opposite the sail-feed inspection hole); upper bearing of the roller mechanism (remove the upper oval plug, lift the rubber boot); bevel gears and ball bearing (lower oval plug level with the reefing winch).\u003c\/li\u003e\n\u003cli\u003eIf the gear gets stiff after several years, dismantle, clean out old grease and re-lubricate.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"om-grid2\"\u003e\n\u003cdiv\u003e\n\u003ch3 class=\"om-h3\"\u003eRemoving the gear (mast horizontal)\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eRemove the upper plug.\u003c\/li\u003e\n\u003cli\u003eFree the extrusion from the reefing unit through the greasing aperture: lower split pin and clevis pin out.\u003c\/li\u003e\n\u003cli\u003eUnbolt the reefing unit (4 bolts) and remove it – possible with the mast rigged.\u003c\/li\u003e\n\u003cli\u003eRemove the nuts on top of the head box and lift it off.\u003c\/li\u003e\n\u003cli\u003ePull the luff extrusion out a little and remove the split pins holding the plastic bushing.\u003c\/li\u003e\n\u003cli\u003eSlide the halyard swivel off the extrusion.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3 class=\"om-h3\"\u003eDismantling bearing units\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWork on a clean unbroken surface and lay parts out in order – the bearings contain many small parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGear\u003c\/b\u003e (5 mm (3\/16\") punch, Phillips screwdriver): drive out the spring cotter of the upper bevel gear, draw the shaft out; drive out the lower bevel-gear cotter and pull the gear; remove the four bolts and the reefing-winch cover. Clean bearings, races, gears and ratchets in white spirit; grease the ratchets and bevel teeth; a layer of grease in the cupped race holds the balls on reassembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHalyard swivel\u003c\/b\u003e (2 small screwdrivers): press two diagonally opposite snap-locks outwards, turn the component 90°, slide it about 10 mm (3\/8\") over the bayonet, turn back 90° and lift off with one ball race, then the other. Clean, reassemble in reverse, check the snap-locks are fully home.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"om-note\"\u003eRemember: roll the sail onto the starboard side (winch clockwise), keep the leech tight with the topping lift, lock the winch in heavy wind and when leaving the boat, and keep a stopper knot in the topping lift.\u003c\/p\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-lubricating-grease-tube-90-g","title":"Selden Lubricating Grease (90 g) - for Furlex, Winches and Furling Masts","description":"\u003cp\u003eThe original water resistant grease for Furlex, gears and swivels on furling masts and winches. Clean and grease and your equipment will operate like clock work Name: Grease Info: Grease used to lubricate winch gears, bearing surfaces etc\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":51564860211506,"sku":"SEL312-501","price":20.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/312-501.jpg?v=1786463639"},{"product_id":"selden-linedriver-assy-fln-ra","title":"Selden Line Driver Wheel for Ra Furling Masts","description":"\u003cp\u003eSpare line driver for size RA furling masts. Spring pin included - do not reuse the old one\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":51565047284018,"sku":"SEL540-049-01","price":218.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL540-049-01.jpg?v=1787842863"},{"product_id":"selden-ratchet-controller-o100x3-st","title":"Selden Ratchet Controller for Furling Mast, Ra","description":"\u003cp\u003eSpring loaded plunger to select FREE or RATCHET mode Used for size RA furling masts\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":51565047415090,"sku":"SEL540-054","price":160.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL540-054.jpg?v=1787842874"},{"product_id":"selden-tack-assy-fln-ra-flx-main","title":"Selden Spare Tack Assembly, Furling Mast Type Ra, Sections 190\/94, 213\/104, 235\/116 (Model Year 1996 and Later)","description":"\u003cp\u003eThe tack assembly of a furling mast is where you attach the tack of the sail. This part is by purpose the weakest part of the furling system because it is easy to replace if something goes wrong. One way to ruin a day on the water is to forget to release the outhaul while trying to furl the sail in with a winch or a powered line driver. This will twist and finally break the tack assembly Check the sparepart list and select the right model for your mast. You need to know which mast section and also what boom section you have\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":51565056295218,"sku":"SEL540-710-11","price":385.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL540-710-11.jpg?v=1787843134"},{"product_id":"selden-tack-assy-fln-ra-hvy-dty","title":"Selden Spare Tack Assembly, Furling Mast Type Ra, Sections 190\/94, 213\/104, 235\/116 (Model Year, Prior to 1996)","description":"\u003cp\u003eThe tack assembly of a furling mast is where you attach the tack of the sail. This part is by purpose the weakest part of the furling system because it is easy to replace if something goes wrong. One way to ruin a day on the water is to forget to release the outhaul while trying to furl the sail in with a winch or a powered line driver. This will twist and finally break the tack assembly Check the sparepart list and select the right model for your mast. You need to know which mast section and also what boom section you have\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":51565056327986,"sku":"SEL540-710-12","price":260.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL540-710-12.jpg?v=1787843145"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/collections\/SEL540-054.jpg?v=1792517183","url":"https:\/\/www.mauripro.com\/collections\/owners-manuals-selden-furling-mast-ra.oembed","provider":"MAURIPRO Sailing","version":"1.0","type":"link"}