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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 audible alarm sounds, turn key off.  DO NOT use key to stop engine.  Do not stop engine with 
decompression lever except in extreme emergency.  If decompression lever is used to stop engine, 
fuel will spray out and accumulate on top of pistons, creating danger of explosion the next time engine 
is started. 

Fueling the Diesel Tanks 

When preparing to take on fuel, the following safety precautions should be followed at all times: Properly 
secure the boat to the dock using bow, stern and spring lines. 

 

Shut off all equipment:  Engine, Battery Switch, Radios, Lights, Etc. 

 

Remove fuel fill plug and clean threads of both plug and deck plate carefully so no dirt falls into filler 
opening. Place the fuel hose nozzle into the fill pipe.   

 

Fill slowly.  DO NOT OVERFILL.  Marine fuel expands with an increase in temperature.  Thus, fill only 
to 95% capacity. If you cannot see the fuel pump, ask the attendant or a crew member to call out the 
total gallons. 

 

If fuel tank is overfilled, fuel will leak out the tank vent located on the transom.  This spillage should be 
cleaned up immediately. 

 

After fueling, replace fill plate and wash up any spillage.  Go below deck and check for fumes or 
leakage.  Check bilge.  

IF EITHER FUMES OR LIQUID FUEL ARE PRESENT, CORRECT THE 

SITUATION BEFORE PROCEEDING.

 Open all hatches and ports to facilitate ventilation. 

 

Only after you are totally satisfied that no potentially dangerous condition exists, leave the fuel dock.  
Be considerate of fellow yachtsmen. 

 

In the event of a serious spillage, 

STOP FUELING IMMEDIATELY

.  Replace fill plate, notify attendant 

so he may warn others and wash down thoroughly all traces of fuel or source of fumes. 

Engine Maintenance 

Check the engine, batteries, and engine mounts once a month.  Ensure the engine is fastened securely to 
the engine mount frames and look for any problems, such as fuel or oil spillage.  If you need help, consult 
a professional marine mechanic or a Yanmar licensed repair mechanic. 

Run the engine frequently and at occasional high speeds, even if it is not in gear.  One reason why 
sailboat engines may burn out within a few years is that they are run infrequently and lubricating oil is not 
thoroughly and evenly distributed on all moving parts.  Be sure to check oil and coolant levels often.  If you 
have any doubts about the purity of the fuel you are buying, use a strainer to filter out water and dirt.  If you 
experience problems, contact your nearest Yanmar Service Representative. 

Summary of Contents for J/145

Page 1: ...J 145 Owner Guide COPYRIGHT J BOATS INC 2001...

Page 2: ...ration of the vessel J Boats is happy to refer the owner to Boating Safety Courses or other seminars available This guide is prepared to help owners understand proper rigging tuning and operation of t...

Page 3: ...t Layout 26 Standard Battery Wiring Schematic 27 Optional Battery Upgrade Wiring Schematic 28 DC Fan Layout 29 AC Layout with Forward Head Only 30 AC Layout with Aft Head Only 31 AC Layout with Both F...

Page 4: ...J 145 OWNER GUIDE 4 Galley Stove LPG System 46 Safety 47 Maintenance Tips 48 Annual Maintenance Checklist 50 Storage Tips 51...

Page 5: ...Engine Alternator 115 amp Battery Capacity 266 amp hours add l 210 amps optional Water Capacity 96 US gallons Interior Cabin Headroom 6 5 Limit of Positive Stability 130 degrees Ice Box Capacity 6 5 c...

Page 6: ...ooling water flow ___ Check oil press water temp charging gauges ___ Check transmission forward reverse ___ Check shaft seal Step Mast ___ Remove interior headliner at mast opening ___ Hoist spar and...

Page 7: ...al bulkhead and is anchored directly to it with staggered bolts The backstay chainplate is also 316 grade and through bolts directly to a reinforced area of the transom Stemhead Fitting is a custom po...

Page 8: ...int Rudder is made of unidirectional glass carbon fiber with two halves bonded together and a highly reinforced carbon fiber rudder shaft from Advanced Composites which extends to 80 of the depth of t...

Page 9: ...Halyard Layout Diagram Jib Genoa Sheets are attached to the headsail with large J Lock shackles For a small jib lead the sheet inboard of the shrouds through the jib or genoa car on the track then aft...

Page 10: ...ners minimum of twice the fastener diameter e g drill min 3 4 hole for 3 8 diameter fastener 2 Fill oversize fastener holes with epoxy putty and allow to cure 3 Redrill fastener holes through cured ep...

Page 11: ...J 145 OWNER GUIDE 12 Diagrams Layouts Schematics Mainsheet TravelerDiagram...

Page 12: ...J 145 OWNER GUIDE 13 HalyardLayout...

Page 13: ...J 145 OWNER GUIDE 14 ReefingSystemDiagram...

Page 14: ...J 145 OWNER GUIDE 15 CheckstaySystem...

Page 15: ...J 145 OWNER GUIDE 16 Jib GenoaHardwareLayout...

Page 16: ...J 145 OWNER GUIDE 17 DeckHardwareLayout...

Page 17: ...J 145 OWNER GUIDE 18 Engine ExhaustSystemLayout...

Page 18: ...J 145 OWNER GUIDE 19 FuelSystemLayout...

Page 19: ...J 145 OWNER GUIDE 20 Thru HullLocations...

Page 20: ...J 145 OWNER GUIDE 21 FreshWaterSystemLayout...

Page 21: ...J 145 OWNER GUIDE 22 HeadSumpLayout...

Page 22: ...J 145 OWNER GUIDE 23 BilgePumpLayout...

Page 23: ...J 145 OWNER GUIDE 24 HeadPlumbingSystem...

Page 24: ...J 145 OWNER GUIDE 25 MainAC DCDistributionPanel...

Page 25: ...J 145 OWNER GUIDE 26 AC DCComponentLayout...

Page 26: ...2 0 RED SWITCH 1 2 BOTH OFF FUSE 300 AMP 2 0 RED 4 GA RED BREAKER 100 AMP 2 0 RED 2 0 RED 2 0 RED 16 GA BLACK SWITCH 16 GA BLACK BATT MAXX ENGINE BATTERY AGM M 1000 56 AMP HR ON OFF SWITCH MOTOR START...

Page 27: ...R WINDLASS OPTIONAL POWER UPGRADE FUSE 300 AMP 16 GA BLACK 16 GA BLACK BATT MAXX 1 2 BOTH OFF SWITCH 2 0 RED FUSE 300 AMP FUSE 300 AMP AGM 31 LIFELINE 2 0 RED AGM 31 LIFELINE 2 0 BLACK 31 LIFELINE 31...

Page 28: ...J 145 OWNER GUIDE 29 DCFanLayout...

Page 29: ...J 145 OWNER GUIDE 30 ACLayoutwithForwardHeadOnly...

Page 30: ...J 145 OWNER GUIDE 31 ACLayoutwithAftHeadOnly...

Page 31: ...J 145 OWNER GUIDE 32 ACLayoutwithBothForward AftHeads...

Page 32: ...J 145 OWNER GUIDE 33 OptionalInverterWiring...

Page 33: ...J 145 OWNER GUIDE 34 PropaneSystemLayout...

Page 34: ...J 145 OWNER GUIDE 35 BondingSystem...

Page 35: ...J 145 OWNER GUIDE 36 RudderShaftDetail...

Page 36: ...J 145 OWNER GUIDE 37 KeelInstallationInstructions...

Page 37: ...turnbuckles Most people tend to overtighten these on their first try It s easiest to adjust the upper sets of diagonals to 2 3 turns less than hand tight while the mast is on the ground Don t adjust t...

Page 38: ...conventional yacht drive trains We recommend that you follow all Yanmar guidelines included with the boat for maintenance and service of this system Transmission is attached to the aft end of the eng...

Page 39: ...g incident It is good practice to accelerate to 2000 2500 RPMs after idling to flush the system just prior to engine shut down This clears most exhaust water from the muffler In fall de commissioning...

Page 40: ...Audible alarm indicates low oil pressure and will continue until engine starts There is an oil pressure alarm test switch on the cockpit engine panel Turn the ignition key to the START position Releas...

Page 41: ...he tank vent located on the transom This spillage should be cleaned up immediately After fueling replace fill plate and wash up any spillage Go below deck and check for fumes or leakage Check bilge IF...

Page 42: ...m and pressurizes the entire water system Should any problems arise read the manual included for the pump If the system is not pressurizing first check that the pump is working correctly Second check...

Page 43: ...NEVER ASSUME THEY KNOW HOW TO USE IT The head is a large pump which takes in seawater and flushes waste into the holding tank or overboard The salt water intake thru hull is underneath the head sink a...

Page 44: ...nstruments stereos radars GPS can be added to the electrical panel Extreme care and forethought is necessary for installation as these are sensitive instruments and require some measure of protection...

Page 45: ...equipped with LPG stoves utilize a safety system prescribed by ABYC and USCG guidelines This includes an independently vented and sealed compartment for the tank an electronic solenoid shut off valve...

Page 46: ...manner to act as a bridge between them mast to shroud etc Avoid swimming during a lightning storm If the boat is mildly struck by lightning check all compasses and electrical gear to determine that n...

Page 47: ...te quickly so inspect it frequently DeckHardware RunningRigging Wash deck hardware frequently with fresh water to remove accumulated salt and grime Wash down the jib sheets spinnaker sheets and other...

Page 48: ...resh hot water to eliminate leftover residue from marine life or saltwater A small dose of dry silicone lubricant is helpful to maintain the lubricity of the bearing Fiberglass Gelcoat Formica Interio...

Page 49: ...l of electrical solenoid valve and ensure it closes when switched to OFF position MechanicalSystems ___ Check stove fuel system hoses clamps and shut offs Engine DriveTrainSystem ___ Read engine owner...

Page 50: ...in the bottom of the water lift pot The pot should be drained using the drain plug or anti freeze added to the pot so residual water doesn t freeze Batteries It is preferable to remove the batteries a...

Page 51: ...nd to assure proper air circulation Ensure the entire deck is covered to prevent uneven discoloration of the gelcoat Cradle It is critical the boat is adequately supported The keel must rest solidly o...

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