J 105, Owner'S Manual

Page: 27 / 52

J/105 Owner Guide ...................................................................................................................................................................................................................................................... 27
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Coat it with an excellent silicone grease film.
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Check to see that the joints in the folding prop have a good coating of waterproof
grease.
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Check that all cotter pins are bent over properly.
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Check that the blades are smooth.
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Prop Shaft -­‐ is stainless and is supported at the inboard end by the shaft coupling and at
the outboard end by the strut containing a rubber "cutlass bearing." Before launching
attach a "shaft zinc" to minimize corrosion. The zinc should be replaced every time the
boat is hauled. Check the "cutlass bearing" periodically for wear and tear. If it is loose,
replace it.
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Engine/Shaft alignment is set by the builder to ensure that the engine, shaft, stuffing box,
and prop are properly adjusted to minimize engine vibration. If there seems to be
excessive vibration, notify your dealer and have them investigate.
Fuel System
The Fuel System is located centrally in the boat for effective weight distribution. It consists of the
fuel tank, fill hoses and caps; fuel lines and filters and the vent. Use only Diesel fuel in the system.
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Fuel Tank & Line -­‐ run from underneath the port main cabin settee, under the cabin sole
and up to the fuel primer pump. From there, fuel flows into the injectors. The tank is
aluminum, baffled to prevent fuel slosh, and vented overboad. For a layout, please see
the Fuel System diagram.
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Fuel Level Gauge -­‐ is located on top of the tank. The gauge reflects level (height) of fuel in
the tank, not the quantity. Try to maintain a minimum level of 1/2 tank filled at all times.
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WARNING-­‐ IF YOU ARE MOTORING AND HAVE LESS THAN 1/3 TANK OF FUEL, BE
CAREFUL OF HEELING THE BOAT TO PORT, OR YOU WILL RISK AIR GETTING INTO THE
FUEL LINE. Familiarize yourself with the bleeding procedure instructions provided with
the Yanmar paperwork.
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Fuel Line Shut-­‐Off Valve
-­‐ sits atop the tank at its aft end. Since diesel engines require
bleeding after they have been deprived of fuel, it's important that the shut-­‐off valve be in
the "ON" position (lever parallel to piping) anytime the engine is started.
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Fuel Tank Access Plate -­‐ is atop the fuel tank and provides access inside to clean the tank
or check the fuel gauge.