Engine winterization

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Folksailor1

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Hi,
I asked the local yard to get their engineers to winterize my engine, which is a Yanmar 2GM 18hp inboard. They sent me a bill for one hours worth of labour and that was that. Recently a friend recommisioned the engine and told me that he was suprised they hadn't loosened the belts and removed the impeller. Is it normal practice to do this or should I just expect the engine to be flushed through? Any thoughts would be welcome.
 
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normal practice to loosen belt and remove impeller..

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Plus remove air cleaner and block inlet with oily rag, ditto oily rag in exhaust.

Would one expect to have the oil and filters changed at same time as winterising?

The engineer here does that in the spring but it did not seem quite logical?
 
[ QUOTE ]
[ QUOTE ]
normal practice to loosen belt and remove impeller..

[/ QUOTE ]

Plus remove air cleaner and block inlet with oily rag, ditto oily rag in exhaust.

Would one expect to have the oil and filters changed at same time as winterising?

The engineer here does that in the spring but it did not seem quite logical?

[/ QUOTE ]

The Oil and Filter Change Change when winterizing is one of the most important jobs - I wouldn't consider I'd winterized it until done.
 
I too replace filters and oil in the Spring. Just pump out the used oil when laying up.

The raw water impeller is removed, replaced in the Spring with a new one along with the gasket.

Top up deisel and add the usual stuff. Drain Exhaust and leave open, check antifreeze and I have been advised to leave the raw water inlet open.

Dave.
 
Opinions vary. Some people will say the impeller should be be left in place, as good ones go on for many seasons, while the replacement may only have a short life. I regard it as something that could fail at any time, so don't replace them unless visibly dodgy.
Main things to do are drain water on raw cooled motor, change oil, drain raw water circuit and exhaust, apply anti corrosion oil of some sort.
I would not leave an engine with no oil in it from choice, better to turn it over now and them in the winter to move the oil around imho.
 
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