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420 Instruction Manual – 2008 Edition
Introduction
The boat comes with all gear ready to sail, however there is a certain amount of assembly which we hope we can
cover in this instruction manual and through the tuning guide, that will make it much quicker to assemble and get your
S|C 420 on the water ready for sailing or racing.
All the parts come in the boats except the masts, which will be located in the container together. So after you find the
mast you must then open up your boat a
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Boom One boom is supplied as shown below, all gear should be on or in the boom. Set the vang slide to 625mm to the centre of the slide from the back of the mast track. Set the front main sheet slide to 1385mm to the centre of the slide from the back of the mast track, also have the second mainsheet slide set just behind the first one at the 1385mm point. Pole One pole is supplied with the ends facing up. From the rope bag tie the pole rope on as the picture below shows, so the rope hang
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Mast Base th rd The mast step bolt should be in the 6 hole from the back. The rig tension bolt should be in the 3 hole from the back. Spreader Length and Marks th The spreader length should be 505mm from side of mast to centre of shroud wire, this is the 5 pin hole position. Mark the spreaders every two cm’s from the centre of the shroud wire, this can be used for the jib trim with regard to the leech settings. Trapeze System The trapeze ropes and blocks are pre assembled, in the fi
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Rope Bag In the rope bag is a list of all the ropes on the boat. This list shows which ropes are already on the boat and also which ropes come in the bag. Also listed is the size and length of each rope. All the ropes in the bag come with a label attached, so you can quickly assemble them as required. Fitting Bag In the fitting bag are all the fittings that are not fixed on the yacht or loose with a system that must be put on after you receive the boat. We have also provided a list of
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Vang Have the rope strops and vang blocks attached as shown above to the mast collar. The other end should be attached as the below illustration shows. There are 3 vang ropes in the rope bag, a 2.5m which is used from through the cleat nd and hull at each end and has a single Harken sheave on it. The 2 vang rope which is 2m long and this goes from the single block though the single block with a becket up to another single block and then back down to the becket. The rd 3 vang rope is tied
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Plastic Rope Balls These two rope balls should be used on the pole downhaul system in front of the knot (see picture under mast base) and also on the spinnaker halyard before the knot (see picture below). The balls will be found in the fitting bag. Pole Hook The picture above shows how to tie on the pole hook, a bowline through the ring and two half hitches below around the hook arm. Also if your pole is coming out of these hooks too easily, close the ring up at the opening with a pair of
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Centreboard Fastening The centerboard comes with an alloy blue bush, this should be positioned in the CB pivot hole prior to inserting into the case. Insert the centerboard into case and then use the centre board bolt and washers to locate and bolt the foil through the centre case. You should use the two foam washers on the inside of the bolt to prevent water coming into the hull from the case whilst sailing. Sponge and Bailer A sponge and bailer is provided as shown in the picture bel
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Wind Indicator We have provided a complimentary High Performance New Zealand made wind indicator, this comes in it’s own box and has instruction manuals of how to assemble. The wind indicator should be fastened to the top of the rig via duck tape or by drilling a hole through the top of the mast just big enough for the wind indicator to go into. Then drill another small hole through the side of the top of the mast bracket. Through this hole you should use whipping twine to attach the indi
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Rudder Stock One rudder stock is supplied with the boat and can be taken on and off the boat by removing the top safety pin through the gudgeon pintle. The rudder stock also comes with a tiller extension that can be added or removed easily by snapping together the two parts at the base of the tiller extension universal joint. For fastening the rudder into the stock there is a 6mm bolt with two wing nuts on each side and also a plastic pin for locking the rudder down. The bolt goes in the
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Sails One main, jib and spinnaker are supplied inside the boat and will be ready to sail including numbers and country code if known at the time of manufacture. For sail tuning information see tuning guide. Tuning See tuning guide. We hope this Instruction Manual was helpful to assemble and put together your S|C 420 Yacht. We also trust you will be very satisfied with the quality and design of your new boat which we hope brings you a lot of success on the race course.
