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Old 10-05-2009, 10:39   #1
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Westerbeke 4-107 Allignment

Could anyone tell me the procedure I have to go through to re allign our engine. I am having some seals replaced in our Hurth Box and whilst we are at it thought I would replace all of the engine mounts. I am unsure what the procedure is and would appreciate any help anyone is able to offer. Not sure what tools I would need and the order in which to do the job.


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Old 10-05-2009, 11:45   #2
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If you are going to use the same mounts or even different mounts, use each old mount to each corresponding new mount and adjust the hieght accordingly. This way you will get the new mounts adjusted very close to the old mounts adjustments. I recommend using the same kind of mounts as different mount sometimes have a different mounting pattern and require new holes to be drilled and tapped complicating the process with alighnment. After reinstalling, you will need to get the coupler lined up perfectly using a feeler gage.

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Old 10-05-2009, 17:27   #3
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The explanation in Don Casey's "This Old Boat" was very helpful to me. The book should be the public library. If not, then any good boat maintenance book should have a section on it with good illustrations.
Good luck. It is sometimes a very tedious project but keep raising/lowering and adjusting port to starboard the fore and aft engine mounts until the couplings line up nearly perfrectly using a feeler gauge. It took me the best part of a day to get it to within proper tolerances.
Kind regards,
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Old 10-05-2009, 17:43   #4
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Align the engine with the vessel in the water.....not on the "hard".

It is tedious if you have never done it before.

The most difficult part is getting wrenches to fit or having enough room to "swing" them.

I have had to cut down some wrenches to do this.
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