J/70 Owner Guide
Page
© Copyright 2012, J Boats, Inc. All Rights Reserved
15
Rigging Your J/70
Tools & Supplies
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Phillips head screwdriver
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Flat head screwdriver
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Adjustable wrench
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Portable Drill with ¾” dia. long socket
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Needle nose pliers
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Knife/scissors
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Black rigging tape
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White rigging tape
Before Stepping the Mast
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Set mast up on two padded saw horses
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Install spreaders to spreader brackets… (refer to the included Southern Spars J70 Guide).
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Install an optional Windex to top of mast.
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Attach backstay to masthead crane.
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Assemble top of headstay by attaching loose Harken swivel to T-‐bar fitting and top of wire
headstay.
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Measure the headstay length. We recommend a starting length of 8432mm from the bearing
point of the Gibb fitting at the top of the assembled headstay (with upper swivel in place) to the
pin centerline of the bottom turnbuckle. Consult your sailmaker for a more specific
recommendation.
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Install headstay.
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Install all side shrouds.
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Be sure that the five black rubber plugs are inserted into the shroud-‐to-‐mast terminals so that
the shrouds and headstay don’t pop out or become mis-‐aligned during stepping operations.
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Install upper shrouds into spreader end retaining fittings.
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Tape spreader ends and all exposed pins.
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Add contrasting tape calibration marks on spreaders (per sailmaker recommendation) for visual
gauge of jib leech location.
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Install three halyards using the pre-‐fed messenger lines.
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Tie stopper knots in the lower ends of all halyard tails.
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Remove vang lug bolt and lug and store in safe place.
Stepping the Rig
DANGER! CONTACT WITH OVERHEAD ELECTRICAL WIRES COULD BE FATAL!
PLEASE USE EXTREME CAUTION WHILE STEPPING THE RIG, LAUNCHING AND
SAILING! THE CARBON FIBER MAST WILL CONDUCT ELECTRICITY
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Align the mast such that the mast step is in proximity to the SS fitting on deck being careful to
support and pad the mast at aft end of boat.
