Sailboat boom Prindle 16:Attach main hal-yard shackle intohole at head ofmainsail.Place forwardedge of sail intocurf of mast for boats.With one hand,feed the curf andpull on rope for boats tailof halyard withthe other. Pullfrom directly for-ward of mast andnot off to eitherside. This helpsto prevent hal-yard from jump-ing out of masthead sheaves.When the sailreaches the sailboat top ofmast, you mustsecure the secondmetal stop on thehalyard wire intothe halyard lockon the mast. DOthis by leadingwire betweenteeth on lock andpulling down onsail to put tensionon the metal stop.The other stop,further down onthe halyard wire,is for a reefed main only.Cleat main halyard off and stow extra line. Remove clevis sailboat pin from gooseneck assemblyattached to forward end of boom. Connectboom to the bracket on the mast using thisclevis pin and cotter ring for boats. Remove clevis in from outhaul car on aft endof boom and lift for boats boom to aft end of mainsail.Clew ring of sail goes in between sides ofouthaul car. Reinsert clevis pin through sailand outhaul car. Install cotter ring in end ofclevis pin. Mast Rotator (previously installed onto mast) Tie rotator line 3/16” x 5’) to fairlead builtinto the aluminum clam cleat, down throughthe eye in the rotator wishbone and backthrough the cleat. This provides a 2:1 pur-chase for adjusting mast rotation. 45 to 75degrees rotation is considered normal formost navigational. 19