{"title":"Max-Prop Ecowind 4 Blade — Instruction 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\"\u003eINSTALLATION MANUAL\u003c\/span\u003e\u003cp class=\"om-lead\"\u003eInstalling the Max-Prop Ecowind 4 blade self-pitching propeller, setting its basic pitch on the regulation ring, choosing the reverse insert, feathering, removal and maintenance.\u003c\/p\u003e\n\u003cdiv class=\"om-box\"\u003e\n\u003cdiv class=\"om-row\"\u003e\n\u003cspan\u003eDocument\u003c\/span\u003e\u003cb\u003eMax-Prop Ecowind 4 Blade Instruction Manual\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-row\"\u003e\n\u003cspan\u003eFormat\u003c\/span\u003e\u003cb\u003ePDF · 8 pages · 1.3 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\u003ca class=\"om-btn dl\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/Max-Prop-Ecowind-4-Blade-Instruction-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\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-toc\"\u003e\n\u003ca href=\"#om-install\"\u003eInstallation\u003c\/a\u003e\u003ca href=\"#om-pitch\"\u003eBasic Pitch\u003c\/a\u003e\u003ca href=\"#om-reverse\"\u003eReverse Inserts\u003c\/a\u003e\u003ca href=\"#om-use\"\u003ePropeller Use\u003c\/a\u003e\u003ca href=\"#om-service\"\u003eService\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\/Max-Prop-Ecowind-4-Blade-Instruction-Manual-Cover.png\" alt=\"Max-Prop Ecowind 4 Blade — Instruction Manual\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-install\"\u003e\n\u003ch2 class=\"om-h\"\u003eInstallation\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/Max-Prop-Ecowind-Exploded-View.png\" alt=\"Max-Prop Ecowind exploded view: regulation ring, shaft, key, propeller, nut, nut screws, zinc and zinc screws\" style=\"width:100%;height:auto;border:1px solid #e3e5e8;border-radius:6px;margin:0\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSupplied assembled for right or left rotation. On the Ecowind the rotation is chosen at order and cannot be changed (unlike the Classic and Fast models).\u003c\/li\u003e\n\u003cli\u003eParts are NOT interchangeable: with more than one propeller, never swap parts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003col\u003e\n\u003cli\u003eFit the propeller onto the shaft like a fixed propeller. A properly fitted key has almost no side clearance and a very small clearance on top. If unsure, remove the key, slide the propeller on and mark where the front of the hub stops; refit the key and check it reaches the mark, otherwise file the sides or top of the key.\u003c\/li\u003e\n\u003cli\u003eTighten the nut and secure it with the two Allen head screws.\u003c\/li\u003e\n\u003cli\u003eFill the propeller with the supplied marine grease through the holes marked \"GREASE\" using the supplied grease fitting. The central body must be completely full, with grease oozing from the rotating joints. Use only a grease approved by Max-Prop.\u003c\/li\u003e\n\u003cli\u003eMove the blades into the feathered position with the rounded trailing edges aft (Fig. 2).\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eBefore Launching\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHold the propeller shaft and check that the blades rotate freely from forward to reverse with a light effort.\u003c\/li\u003e\n\u003cli\u003eIn the feathered position the blades must be perfectly lined up.\u003c\/li\u003e\n\u003cli\u003eConfirm the propeller body is full of grease.\u003c\/li\u003e\n\u003cli\u003eProtect the propeller from galvanic corrosion with sacrificial anodes on the propeller and on the shaft.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-pitch\"\u003e\n\u003ch2 class=\"om-h\"\u003ePitch Range Adjustment in Forward\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThe Ecowind needs no pitch setting: the blades rotate automatically to the pitch the load demands, within an adjustable range.\u003c\/li\u003e\n\u003cli\u003eIt is delivered with a \"basic pitch\": the blade angle at zero load (no torque opposing rotation). The best basic pitch is generally between 50º - 60º, depending on diameter.\u003c\/li\u003e\n\u003cli\u003eUnder power the blade angle decreases automatically and keeps changing with conditions and throttle (wind and waves, tank level, clean or dirty bottom).\u003c\/li\u003e\n\u003cli\u003eAdjust the basic pitch if at full throttle the engine cannot reach the manufacturer's maximum RPM, or reaches it too easily.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSetting the Regulation Ring (Fig. 3)\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eRemove the set screw from the hub reference hole in front of the regulation ring.\u003c\/li\u003e\n\u003cli\u003ePull the regulation ring towards the bow and turn it to increase or decrease the number.\u003c\/li\u003e\n\u003cli\u003eLine up the hub reference hole with the chosen number on the ring. Two screws in the threaded holes of the ring give leverage.\u003c\/li\u003e\n\u003cli\u003eLet the ring snap back in place, then lock it with the set screw in the hub reference hole.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-reverse\"\u003e\n\u003ch2 class=\"om-h\"\u003ePitch Regulation in Reverse\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSet reverse only after finding the ideal forward setting.\u003c\/li\u003e\n\u003cli\u003eThe propeller is delivered with the most common insert fitted. There are 7 inserts, each of a different thickness; each gives a specific reverse pitch.\u003c\/li\u003e\n\u003cli\u003eTo change: remove the two screws, take out the insert, fit the new one in the slot (the number is marked on the insert) and lock it with the two screws.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"om-tbl nw\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eType of insert\u003c\/th\u003e\n\u003cth\u003e7\u003c\/th\u003e\n\u003cth\u003e6\u003c\/th\u003e\n\u003cth\u003e5\u003c\/th\u003e\n\u003cth\u003e4\u003c\/th\u003e\n\u003cth\u003e3\u003c\/th\u003e\n\u003cth\u003e2\u003c\/th\u003e\n\u003cth\u003e1\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDifference in blade angle, forward vs reverse\u003c\/td\u003e\n\u003ctd\u003e22\u003c\/td\u003e\n\u003ctd\u003e28\u003c\/td\u003e\n\u003ctd\u003e34\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e46\u003c\/td\u003e\n\u003ctd\u003e52\u003c\/td\u003e\n\u003ctd\u003e58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cdiv style=\"height:16px\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"om-tbl nw\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eInsert ↓ \/ Forward angle →\u003c\/th\u003e\n\u003cth\u003e42\u003c\/th\u003e\n\u003cth\u003e45\u003c\/th\u003e\n\u003cth\u003e48\u003c\/th\u003e\n\u003cth\u003e51\u003c\/th\u003e\n\u003cth\u003e54\u003c\/th\u003e\n\u003cth\u003e57\u003c\/th\u003e\n\u003cth\u003e60\u003c\/th\u003e\n\u003cth\u003e63\u003c\/th\u003e\n\u003cth\u003e66\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003ctd\u003e23\u003c\/td\u003e\n\u003ctd\u003e26\u003c\/td\u003e\n\u003ctd\u003e29\u003c\/td\u003e\n\u003ctd\u003e32\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003ctd\u003e17\u003c\/td\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003ctd\u003e23\u003c\/td\u003e\n\u003ctd\u003e26\u003c\/td\u003e\n\u003ctd\u003e29\u003c\/td\u003e\n\u003ctd\u003e32\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e11\u003c\/td\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003ctd\u003e17\u003c\/td\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003ctd\u003e23\u003c\/td\u003e\n\u003ctd\u003e26\u003c\/td\u003e\n\u003ctd\u003e29\u003c\/td\u003e\n\u003ctd\u003e32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e11\u003c\/td\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003ctd\u003e17\u003c\/td\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003ctd\u003e23\u003c\/td\u003e\n\u003ctd\u003e26\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e11\u003c\/td\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003ctd\u003e17\u003c\/td\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e11\u003c\/td\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"om-note\"\u003eFig. 4: blade angle in reverse for each forward blade angle and insert type. Blank cells are combinations the chart does not give.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-use\"\u003e\n\u003ch2 class=\"om-h\"\u003ePropeller Use\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThe propeller works automatically: put the transmission in gear and the blades engage in forward or reverse; they feather from the forward position when you stop the engine and lock the shaft.\u003c\/li\u003e\n\u003cli\u003eBest way to feather: power at 2 to 3 knots in forward, then kill the engine while still engaged in forward. A properly greased propeller feathers in a fraction of a second once the shaft stops freewheeling.\u003c\/li\u003e\n\u003cli\u003eDo NOT kill the engine in reverse: the blades stay in the reverse position and cannot feather. You can use this to drive a shaft alternator.\u003c\/li\u003e\n\u003cli\u003eMechanical transmission: stop the shaft freewheeling by engaging reverse, only after the engine has stopped completely.\u003c\/li\u003e\n\u003cli\u003eHydraulic transmission: shut off the engine while still engaged in forward; the remaining hydraulic pressure locks the shaft for a few moments, enough for the propeller to feather.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"om-note\"\u003eNever shift between forward and reverse at high RPM. Idle down and shift at low RPM, or the shock load can damage the teeth of the blade gears and cone gear.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block om-grid2\" id=\"om-service\"\u003e\n\u003cdiv\u003e\n\u003ch2 class=\"om-h\"\u003eMaintenance\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThe propeller must always be completely filled with the recommended grease and greased at least once a year.\u003c\/li\u003e\n\u003cli\u003eKeep the zinc anodes in good condition and replace them at least once a year, even if they still look OK. Use a zinc on the shaft as well when possible.\u003c\/li\u003e\n\u003cli\u003eWhen replacing a zinc, clean the contact surfaces so it has good electrical contact.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2 class=\"om-h\"\u003eRemoval\u003c\/h2\u003e\n\u003cp\u003eRemove the zinc and the nut, then fit a long-armed gear puller over the front of the propeller. Tightening the puller's centre bolt releases the propeller from the shaft. If the puller bolt is too short to reach the shaft end inside the propeller, loosen the nut and leave it in place: the puller bolt then pushes against the back of the nut.\u003c\/p\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":[],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/collections\/Max-Prop-Ecowind-4-Blade-Instruction-Manual-Cover.png?v=1792708954","url":"https:\/\/www.mauripro.com\/collections\/owners-manuals-max-prop-ecowind.oembed","provider":"MAURIPRO Sailing","version":"1.0","type":"link"}