Summary of J/145
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J/145 owner guide copyright © j/boats, inc., 2001.
Page 2: Introduction
J/145 owner guide 2 introduction welcome aboard and welcome to the j/boats family of owners. Your boat is designed and engineered to be the strongest, best performing, easiest-to-use, and most comfortable sailing boat of its type. Sailing involves risk, most of which can be minimized with advance pl...
Page 3: Introduction 2
J/145 owner guide 3 introduction 2 specifications.................................................................................................................................................................... 5 important contacts.....................................................................
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J/145 owner guide 4 galley stove lpg system............................................................................................................................................ 46 safety .............................................................................................................
Page 5: Specifications
J/145 owner guide 5 specifications loa 48.1' lwl 42.5' beam 13.0' draft 8.9' ballast 8,350 lb. Ballast type nickel aluminum bronze fin w/lead bulb displacement (std boat) 19,000 lbs. 100% sail area 1,295 sq ft i 63.0' isp 65.0’ j 18.0' p 58.25' e 20.5' engine yanmar ® 56hp diesel w/saildrive (4-cyli...
Page 6: Commissioning Checklist
J/145 owner guide 7 commissioning checklist pre-launch ___ read equipment owner manuals ___ pre-rig mast and check installation of: • halyards • blocks • electronics • shrouds • spreader chafe guards • lifeline pins ___ pre-rig boom ___ bottom painted or touched up ___ check propeller/strut/zinc ___...
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J/145 owner guide 8 getting started with your j/145 generally, your dealer or commissioning yard will help you prepare your boat before launching. And in most instances with a boat this size they will undertake the entire commissioning job. They are experts in the field and are capable of completing...
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J/145 owner guide 9 • finish off the job by tightening the turnbuckles, adjusting the lifeline gate pendants for the proper length, and taping off the turnbuckle “split rings” (or cotter pins) for a finished appearance. Skylight ventilation hatches: are made of extruded anodized aluminum frames and ...
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J/145 owner guide 10 single boom block, back down to the second block on the traveler car, and out to the other deck block and finally to the other winch. The system is designed to allow extremely easy adjustments of the mainsheet by any size or age person. The self-tailing winch feature also facili...
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J/145 owner guide 11 **special builder instructions for installing additional deck hardware the following instructions should be provided to owners / dealers when installing additional deck hardware on j/145's: 1. Drill oversize holes in deck for hardware fasteners, minimum of twice the fastener dia...
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J/145 owner guide 12 diagrams, layouts, & schematics mainsheet & traveler diagram.
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J/145 owner guide 13 halyard layout.
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J/145 owner guide 14 reefing system diagram.
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J/145 owner guide 15 checkstay system.
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J/145 owner guide 16 jib & genoa hardware layout.
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J/145 owner guide 17 deck hardware layout.
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J/145 owner guide 18 engine & exhaust system layout.
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J/145 owner guide 19 fuel system layout.
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J/145 owner guide 20 thru-hull locations.
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J/145 owner guide 21 fresh water system layout.
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J/145 owner guide 22 head sump layout.
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J/145 owner guide 23 bilge pump layout.
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J/145 owner guide 24 head plumbing system.
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J/145 owner guide 25 main ac/dc distribution panel.
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J/145 owner guide 26 ac/dc component layout.
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J/145 owner guide 27 standard battery wiring schematic f u s e 3 0 0 a m p h o u s e b a n k 1 p a r a l l e l b a t t e r y f u s e 3 0 0 a m p a g m 1 0 5 a m p h r 3 1 l if e l in e h o u s e b a n k 2 a g m 3 1 l if e l in e 1 0 5 a m p h r 2 /0 r e d s w it c h # 1 /# 2 /b o t h /o f f f u s e ...
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J/145 owner guide 28 optional battery upgrade wiring schematic 5 6 a m p h r 1 0 5 a m p h r 1 0 5 a m p h r 1 0 5 a m p h r 1 0 5 a m p h r h o u s e b a n k 1 h o u s e b a n k 2 (o p t io n a l ) u n d e r g a l l e y (o p t io n a l ) e n g in e b a t t e r y b r e a k e r (o p t io n a l ) 1 5 ...
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J/145 owner guide 29 dc fan layout.
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J/145 owner guide 30 ac layout with forward head only.
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J/145 owner guide 31 ac layout with aft head only.
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J/145 owner guide 32 ac layout with both forward & aft heads.
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J/145 owner guide 33 optional inverter wiring.
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J/145 owner guide 34 propane system layout.
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J/145 owner guide 35 bonding system.
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J/145 owner guide 36 rudder shaft detail.
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J/145 owner guide 37 keel installation instructions.
Page 37: Tuning The Rig
J/145 owner guide 38 tuning the rig tuning the mast please refer to special manufacturer instructions for the hall carbon fiber mast included at the end of this guide. • the standard headstay length is designed to allow sufficient rake for good upwind balance with either small or large jib. The hark...
Page 38: Engine System
J/145 owner guide 39 engine system the engine and fuel system is engineered to be conveniently accessible for repairs and general maintenance. Located aft of the companionway ladder. There is access to the front, sides and the back of the engine from which all important functions can be reached; inc...
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J/145 owner guide 40 • the filler cap for the fresh water (closed) cooling system is located on top of the engine manifold, and looks like a radiator cap. Check the level in the manifold frequently (ensure engine is cool). If additional liquid is necessary, add only a mixture of anti-freeze/fresh wa...
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J/145 owner guide 41 engine safety precautions due to high temperatures it is recommended that after running the diesel for more than two hours you reduce speed to idle and allow excess heat to dissipate for five to ten minutes. The most common cause of trouble is contaminated or dirty fuel. Your bo...
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J/145 owner guide 42 • it is best to keep fuel tank 1/2 full (diesel #2) to avoid debris intake and air locks. Turning engine off • place throttle lever in idle position (vertical). • let engine cool down 5-10 minutes. • push engine stop button on engine instrument panel until engine stops. • when a...
Page 42: Plumbing Systems
J/145 owner guide 43 plumbing systems general the plumbing systems in your j/145 consist of fresh water system, head systems, and manual and electrical bilge pumps. This section will describe their locations and how they operate. Fresh water system water tanks: are made of both rotationally molded p...
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J/145 owner guide 44 • bilge pumps are both electrical and manual. Two pump intakes are located in the bilge under the main cabin floor just forward of the galley, with a third intake attached to a coiled hose in the aft cabin area or head depending on the layout. This is long enough to reach the bi...
Page 44: Electrical System
J/145 owner guide 45 electrical system the following section describes the electrical systems aboard the boat, how they operate, where they lead, and how to avoid trouble. Please read this section over more than once. For wiring code information please refer to the color code diagram. Dc electrical ...
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J/145 owner guide 46 master to repair the shore plug. Note- even though the switches are in the appropriate position, the shore power system in no way assures personal safety using electrical apparatus. • water heater: switch supplies power to the water heater 110 ac element for hot water while dock...
Page 46: Safety
J/145 owner guide 47 safety lightning protection the j/145 is completely grounded in accordance with industry practice. The mast, shroud chainplates, stemhead fitting, backstay fitting, stanchion bases, engine, and electrical system are grounded to the keel. In spite of this grounding, there can be ...
Page 47: Maintenance Tips
J/145 owner guide 48 maintenance tips even though modern construction has helped reduce upkeep, regular attention should be given to the maintenance of your boat. This includes the fiberglass exterior surfaces, the interior wood surfaces, and the mechanical and electrical systems. A well maintained ...
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J/145 owner guide 49 deck hatches hatches need lubrication on their hinges once a year a silicone based grease will work well. Also check the seals to see they are not unduly cracked, or are losing their ability to seal correctly. To increase traction on the plastic hatch covers, apply a non-skid ta...
Page 49: Annual Maintenance Checklist
J/145 owner guide 50 annual maintenance checklist running rigging ___ check running rigging lines for wear at splice, turning blocks, etc. ___ inspect blocks and shackles for wear . Clean and lubricate or replace as necessary. ___ service winches, check for free spinning operation(bearings) and ratc...
Page 50: Storage Tips
J/145 owner guide 51 storage tips many of the maintenance problems surrounding boats can be pinpointed during the end-of-season haul-out. This is the time when a careful inspection will reveal the ravages of a long summer. If you live in colder climates, it is also the time to prepare the boat for w...
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J/145 owner guide 52 interior & ventilation clean the cabin thoroughly with a damp rag, for any salt left behind will breed mildew. Clean out the head and sinks. Any paper items (books, toilet paper, notepads) should be taken off so they don’t mildew and rot. Leave the dorade vents in place and open...