J/111 OWNER MANUAL
40
aft of the engine, (check when the engine is cool). When adding coolant, follow the engine manufacturer’s
recommendations for the proper fresh water/antifreeze ratio. In climates where freezing may occur in winter,
test the coolant mixture for freezing point. Add coolant as needed if the system is not drained for winter
storage.
Raw-water system: Located in the engine compartment, the J/111’s raw-water strainer helps prevent
clogging of the raw-water cooling system and overheating of the engine. Check the strainer basket often to
insure that the flow of cooling water is unimpeded. Unscrew the strainer basket lid, remove the strainer and
clean it, and be sure that the basket is seated properly in the bowl before screwing the lid on hand-tight.
Engine Compartment Ventilation
Do not obstruct or modify any ventilation system or openings for the engine compartment.
Exhaust System
The J/111 is equipped with a water-injected water-lift exhaust system that dissipates exhaust heat and acts
as the exhaust muffler. Cooling water can accumulate in the bottom of the water-lock muffler; when de-
commissioning your boat for the season, the muffler either should be drained by unscrewing the drain plug
on the bottom of the muffler, or antifreeze should be added so that residual water doesn’t freeze.
General Hints To Avoid Problems
•
Monitor brightness of cabin lighting and charge battery as required by running engine. Batteries are
charged by either running the engine or by an optional AC battery charger.
•
Stop engine by pushing engine stop button on the panel.
•
NEVER turn battery switch to OFF position while engine is running as this could damage the alternator.
•
For best performance and fuel economy a cruising R.P.M. of 2,600 - 2,800 works well. Please refer to
the Yanmar manual for other recommendations. It is good practice to vary RPM levels periodically
when cruising under power for a long distance. Be sure to thoroughly read and follow the
manufacturer’s manual for proper break-in procedure for the standard Yanmar Diesel engine.
•
Do not run engine at full throttle for sustained periods, as breakdowns may occur. Most importantly,
find an RPM that runs smoothly and follow the Yanmar guide. Avoid "vibrating" RPM speeds when
possible.
•
Keep engine gear shift lever in "REVERSE" position while sailing to prevent possible "free-wheeling" of
prop
•
CAUTION: The J/111 engine is very quiet, and it is possible to forget that it is running. Before shifting
the gear shift lever into REVERSE when sailing, double check that the engine is turned off.
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 prior to shutting the motor off.
The most common cause of trouble is contaminated or dirty fuel. Your boat is equipped with a primary fuel
filter located in the engine compartment and a secondary filter on the engine. The wise skipper carries
replacement filter cartridges. Familiarize yourself with the bleeding procedure for the engine and you
should learn how to bleed it yourself. The procedure only takes a few minutes after you are acquainted with
it, but can be exasperating to the uninitiated.
Summary of Contents for J/111
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Page 2: ...J 111 OWNER MANUAL 2 J 111 Owner Manual HIN Yacht Name Owner Name COPYRIGHT J BOATS INC 2011...
Page 24: ...J 111 OWNER MANUAL 24 StandardMastStepLocation...
Page 33: ...J 111 OWNER MANUAL 33 DC ElectricalSchematic...
Page 34: ...J 111 OWNER MANUAL 34 OptionalACSchematic...
Page 35: ...J 111 OWNER MANUAL 35 Optional110VACPanel...
