J/Boats J/70 Owner'S Manual Download | Manualshive

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J/70 Owner Guide

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© Copyright 2012, J Boats, Inc. All Rights Reserved

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Summary of Contents for J/70

Page 1: ...Yacht Name Owner Name...

Page 2: ...J 70 Owner Guide Page Copyright 2012 J Boats Inc All Rights Reserved 2...

Page 3: ...alyard System 13 Jib Furling System 13 Cockpit Safety Lines 13 Running Rigging 14 Rigging Your J 70 15 Mainsheet Traveler 17 Backstay System 18 Boom Vang Cunningham 19 Halyard Mast Base Layout 20 Head...

Page 4: ...porting outfitting the vessel with proper safety equipment and the safe operation of the vessel Your J Boats Dealer will be happy to refer you to Boating Safety Courses or other seminars available Ple...

Page 5: ...uble shooting guide In case of difficulty refer to the boat dealer builder or its representative Always use trained and competent people for maintenance fixing or modifications Modifications that may...

Page 6: ...turer s Recommended Maximum Total Load 530 kg 1 168 lbs Includes crew This assessment has been made assuming that all standard equipment is aboard and that the boat in light craft condition has a mass...

Page 7: ...l Area OD Class 16 07 sq m 173 sq ft Spinnaker Area OD Class 45 61 sq m 491 sq ft I 8 159m 26 77 ISP 9 189m 30 15 J 2 341m 7 68 P 7 973m 26 16 E 2 877m 9 44 Headstay Pin to Pin Length 05 14 12 8432 mm...

Page 8: ...info jboats com www jboats com 401 846 8410 Manufacturer C C Fiberglass Components Inc 75 Ballou Blvd Bristol RI 02809 info ccfci com www ccfci com 401 254 4342 J 70 Suppliers Phone Web Global BSI In...

Page 9: ...on air dry gelcoat finish Interior Structure J 70 interior structure includes several transverse bulkheads a V berth platform reinforced keel trunk and longitudinal hull support members Each of these...

Page 10: ...front end of cockpit until the cutting blade hits the G 10 composite cutting block that s molded into the hull Once the cutter has been used several times a narrow groove will develop in the G 10 bloc...

Page 11: ...e keel bulb to the trailer keel tie downs may be enough to keep the boat and keel braced together to the trailer Please refer to the Triad Trailer owner manual for more specific information and traile...

Page 12: ...d and hasp is mated with the drop board hasp eye and boat can then be locked For the covered position the cover should be installed to its hinges and the shock cord attached to the SS eye mounted to t...

Page 13: ...e inboard end of an optional owner supplied clew reef line IMPORTANT CARE SHOULD BE TAKEN WHEN HOISTING AND LOWERING THE MAST TO FIRST REMOVE THE VANG LUG AND TO PROPERLY SUPPORT AND PAD THE MAST AT A...

Page 14: ...lifeline pad s and reinsert the thimble it will be somewhat loose Take the lashing the shorter thinner piece with the eye splice in one end and luggage tag it through the bale on the stern pushpit Pas...

Page 15: ...rnbuckle Consult your sailmaker for a more specific recommendation Install headstay Install all side shrouds Be sure that the five black rubber plugs are inserted into the shroud to mast terminals so...

Page 16: ...stern rails in order not to overstress the SS loop on the mast deck plate when lowering the mast Lift the mast while a helper pulls the extended spinnaker or main halyard from the front of the boat O...

Page 17: ...dle Block 2621 Harken Carbo Ratchet Block 2135 Harken Cam Base for 57mm 144 3 16 5 1 Mainsheet J 70 Mainsheet Layout 2 C 9 2 C 9 Harken Micro Cam Cleat w fairlead 468 424 Harken 29mm fixed block 348 o...

Page 18: ...y System 5mm DYNEX 75 Backstay Forged Shackle Soft Eye Splice One Side Harken 29mm Fixed Block 348 on SS Eye Strap 073 P S Harken 29mm Cheek Block 350 P S Harken Micro Cam Cleat w fairlead 468 424 P S...

Page 19: ...Harken 150 Cam w 425 Fairlead Port Stbd Harken 40mm Carbo T2 Loop Blocks 2148 one on vang lug one each on mast strap eyes P S J 70 Boom Vang Layout J 70 Cunningham Cunningham 3mm D12 Dyneema through s...

Page 20: ...on Ronstan SS Hook 4 1 Jib Halyard Purchase Line Harken 291 Mast Mounted Harken 40mm T2 Loop Block 2148 for Jib halyard tail Jib Halyard Purchase Strop Harken 40mm T2 Loop Block 2148 Harken 29mm T2 Lo...

Page 21: ...Harken 207 Top Swivel T Bar Eye Custom SS 316 Southern Spars w 5mm marine eye Headstay Wire 5mm 1 x 19 SS with 5mm marine eye termination Head of Jib Antal Halyard Sheave Top of Headstay Detail Botto...

Page 22: ...Car with S40 Orbit Block Ronstan RC72581 Series 25 Track End Stop 2 1 Jib Sheet terminates on front of Car J 70 Jib Sheet Layout C 2 9 Antal Clew Reef Sheave Clew Reef Exit Clew Reef Jam Cleat Harken...

Page 23: ...J 70 Owner Guide Page Copyright 2012 J Boats Inc All Rights Reserved 23 J 70 Deck Layout...

Page 24: ...Reserved 24 J 70 Bow Sprit Furler Controls 0 4 C Ronstan Fairleads for jib furler control Ronstan SS Lined Fairleads for jib furler control Ronstan SS Lined Fairlead pole control line Pole Control Lin...

Page 25: ...Owner Guide Page Copyright 2012 J Boats Inc All Rights Reserved 25 J 70 Bow Drainage Locker Access Sealed Removable Access hatch Sprit Furler Drainage Locker Drain Hole starboard side Harken Furler D...

Page 26: ...19 Twist Shackle attached to Harken 308 Wire Block Black Anodized Custom Aluminum Fabrication Harken 310 Thru Deck Wire Block Dutton Lainson WG1500 w HEX drive Black Dedicated keel stop plate to preve...

Page 27: ...battery charge for outboard Remove all trailer tie down straps except for bow winch strap Rig the keel crane and lift keel off the keel support tray Extend optional trailer extension if necessary Laun...

Page 28: ...ed on either side of the keel below the keel cover Both padeyes are designed for use along with a secured lifting strap for hauling and or launching operations with yacht club or boatyard single point...

Page 29: ...with the upper backstay This shroud setting is a good all around starting point In sea trialing the J 70 with several sailmakers we arrived at the following general grid using a LOOS PT 2 tension gau...

Page 30: ...ouds J 22 J 80 style it s a lot of extra distance to travel and one risks dragging the tack foot of the spinnaker in the water Always remember to tape the halyard shackle after attaching It can otherw...

Page 31: ...therwise left entirely to the owner to determine when a survey should occur KEEL KEEL FLOORS Overview One of the most critical areas of a modern fin keeled composite boat is the keel and keel floor ar...

Page 32: ...ere is ingress through cracks in the paint gelcoat in the bilge The process of hydrolysis is persistent and invisible it s water that chemically degrades the quality and strength of the laminate over...

Page 33: ...ntered over the boat and such that the mast is in column or straight as you site up the mast groove on the aft side Proper tuning for all conditions usually means maintaining enough tension on the shr...

Page 34: ...an integral bulkhead housing support The system can easily be damaged particularly when struck laterally or vertically at the end of the pole with any force e g when rounding marks hitting sterns hit...

Page 35: ...ly encourage all owners to start by inspecting their boats now to best ensure a long productive life FOOTNOTE The contents of this article are thought to be accurate but do not necessarily include all...

Page 36: ...b Halyard Purchase strop 1 3 Excel D12 Black 25mm soft eye 25mm soft eye 3 0 Jib Sheet 2 1 1 8 MB12 Red Grey whip whip 47 9 Spinnaker Halyard 1 6 8 Plait Prestretch Blue Splice on shackle ball whip 75...

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