How To Change Marine Diesel Engine
Oil
It is quite possible to change marine diesel engine
oil by yourself on your boat. Once your learn how to do it you will
save a lot of money on your boating expenses. Changing marine engine
oil can be a messy job so keep plenty of oil-sorb material handy.
Here are some tips on changing marine engine oil from
Sydney-based shipwright Laurence Burgin ...
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Diesel: Use only a Diesel
Engine Oil of good quality.
5 liter and 10 liter drums are easy to use and can be
refilled with old oil for correct disposal.
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Change your Oil and Filter at
least every 100 hours. Keep spare Oil Filters on board at
ALL times.
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Many old engines use a lot of
oil and will require plenty of spare oil for long passages.
For good engines—Straight 30 W.
For worn engines—Straight 50 W.
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Basics Of Marine Diesel Engine Maintenance
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Always keep plenty of rags,
degreaser and oil absorbent materials on board. This is a
messy job. Clean engine and bilge after oil/fuel filter
changes.
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Always run engine for about 10
minutes before oil change to heat oil or you will not be
able to pump it out, even with your good quality oil sump
pump.
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Some Fuel Injection Pumps have
sumps with engine oil (e.g. Lucas & Sims), this must be
changed at same time, as diesel leaks back and dilutes fuel
and reduces viscosity—oil level then goes up.
This can happen to engine sump on some engines with internal
return lines.
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Removing Filters: Cut open 2
liter milk container, hold beneath filter, remove filter and
drop into container, then place this container into a bucket
with rag in the bottom. This system will save you some grief
in cleaning.
Same method for fuel filters.
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Fitting filters: Smear oil on
rubber seal before fitting. Do not fit too tightly
If possible, fill filter with oil before fitting.
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Check filter is not leaking and
oil level is correct after a momentary run.
MARINE DIESEL ENGINE
MAINTENANCE FOR BEGINNERS Discover the secrets to maintaining your own marine diesel
engine
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