[Alberg30] Yanmar 2GM30 Installation

[Dick Filinich]

Calvin:Installing a new engine in place of another different one,will not just drop in as the
salesman will have you believe.Without even seeing your problem,you need to hang the engine
with a chain fall,comealong or just block it and make the couplings up.If you can't get the
engine far enough astern to couple up,then you need to get another shaft which means haul out
or install a jumper shaft,"short section of shaft installed ahead of existing shaft to
compensate for the forward movement of engine.Once you have the engine coupled and free
spinning by hand the shaft,you can now work on a new engine bed attached to existing ones,or
glass in some new ones where needed,below the engine.First of all get that engine hung in
place and go from there.I've installed a 20 h.p kubota diesel in place of an A-4  in hull
191,and it wasn't a piece of cake,and I'm experienced in welding and shipyard work.Good luck
Wind Dancer #191  Galliano,La.

Voyager Toronto wrote:

> I'm installing a new Yanmar 2GM30F. I knew from messages on this list that
> others have installed this engine, so did not anticipate any problems with
> fit, especially as my (old) hull#30 has no liner -- just went ahead and
> bought the engine. Imagine my surprise, then, trying to fit the template I
> made of the engine in order to determine the position of the engine bed. My
> template is telling me the hull profile in this area is too shallow: with
> the aftermost flexible engine mounts sitting on the bare hull in the
> fore-and-aft and athwartships position they would need to be, and my
> template on top of them, the engine coupling is vertically higher than the
> shaft coupling. I've checked and rechecked the measurements on my template
> against the engine diagram/specs, hoping I've made a mistake. but no luck.
> An engineering friend of mine who looked at it thinks (assuming my template
> is accurate) the only workable solution is to install the aftermost engine
> mounts outside of (inside of under) the engine and suspend the after-end of
> the engine from brackets attached to these mounts. Can those who've
> installed this engine say if you've had a similar experience? Are all four
> of your mounts sitting UNDER the engine where they should be?  I hope
> someone can point out to me where I  have made a huge mistake, because I
> didn't anticipate a problem of this proportion. From visual inspection, it
> would not appear the problem can be solved by using a longer shaft, brought
> forward. The new engine is replacing a Volvo MD7A.
>
> Calvin, Voyager#30
>
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