Engine Mounts/Bushings/Isolators - Alignment? - SailNet Community
 
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post #1 of 6 Old 04-11-2010 Thread Starter
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Engine Mounts/Bushings/Isolators - Alignment?

Where to start...

The cutlass bearing has failed terribly, probably due to poor alignment It did enough damage to the shaft that I will be replacing it along with a new coupler, tranny saver, and engine mounts/bushings (I think the mounts were/are the culprit). While I'm at it I am going to install a PSS Drip-less and a Spurs Shaft Cutter.

I have done a cutlass before, no biggy there. The tranny saver & coupler shouldn't be a problem either, but would certainly welcome any tips. What I am not as comfortable with or know much about is replacing the engine mounts followed by the alignment process.
  • What/where do you buy a mount/bushing/isolator? Using the Westerbeke 50 part # I went to Torresen Marine and found them but they seemed $$$, $168 each. Then I read Pascoe Marine Engines : Drive System Alignment by David Pascoe, Marine Surveyor and he mentions another type of mount, the Ace Mount???
  • Tips on how to remove and replace the mounts,
  • BTW, anyone removed a Autostream prop? How? Is it just the two set screws, West by North has yet to return my phone call or email.
Thanks

Cheers,
Shawn & the crew of S/V Windgeist

1982 Tartan 37 CB - Hull #358


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Last edited by T37Chef; 04-24-2010 at 11:40 PM.
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post #2 of 6 Old 04-14-2010
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I find using pieces of paper to check the coupling's alignment is quick and easy. My coupler has 3 bolts. I try to trap three scraps of dry paper (one at each bolt hole). If I can hold all three pieces as I rotate the shaft I am there.

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post #3 of 6 Old 04-24-2010 Thread Starter
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Thumbs up Going well so far...

All things considered, the project is going well.

First thing was to remove the prop, coupler, shaft seal, and shaft so a new shaft could be made. Everything went well. This was the first time I have removed the Autostream prop, it comes off in two pieces, pretty amazing piece of engineering. (the directions for reassembly are three pages long...LOL).

The new shaft & cutlass are in and look good. I ended up having a professional do it, I forgot that you have to put the shaft in then the cutlass due to the skeg/rudder, it was simpler to just have the mechanic do it since he had the proper tool and I have been a bit busy at work preparing for a competition at school (BTW, Nelson Anderson, on site at Oak Harbor, he does excellent work.)

I was able to reuse the coupler and have cleaned and painted it. The tranny saver and PSS are in and awaiting install. The only hiccup has been the engine mounts. I had to reorder, the ones I received were incorrect.

Side Note: Initially I shopped at Toressens for the mounts/bushings using the part number from the engine manual. Then I Goggled the mount and found Bushings,Inc: manufacturer of bushings and marine engine mounts , the manufacturer of the part. They recommended I purchase the bushings from gotomarine.com Quality marine products and boat parts They were about $100.00 less each! Both were selling the same units built by Bushings Inc. Ridiculous!!!

I have been prepping the bilge area around the shaft tube to be painted with Interlux Barrier Coat, I don't like Bilgekote.

Soooo, since I'm waiting on another set of mounts I have decided to start some new projects The wife thinks I am nuts...removing the centerboard for some needed maintenance, filling and fairing some areas of the hull, re-rig mainsail reefing with new blocks, and the list goes on and on and on...

Cheers,
Shawn & the crew of S/V Windgeist

1982 Tartan 37 CB - Hull #358


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Last edited by T37Chef; 04-25-2010 at 12:27 AM.
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post #4 of 6 Old 05-12-2010 Thread Starter
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Update

Not that anyone cares the boat is in and no leaks, I will fire up the engine this weekend after a check of alignment and see if everything works...so far so good, not a drip in the bilge (freshly painted BTW )

What a great feeling to have the boat boat move under your feet, yahooooo...now here come the bills

Cheers,
Shawn & the crew of S/V Windgeist

1982 Tartan 37 CB - Hull #358


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post #5 of 6 Old 05-12-2010
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Well done, you tackled several projects at the same time and it sounds like everything turned out well. It's a great feeling to get the boat back to useable condition after a project!

John
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post #6 of 6 Old 05-12-2010
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Good luck.... let us know how it goes...

Sailingdog

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You know what the first rule of sailing is? ...Love. You can learn all the math in the 'verse, but you take
a boat to the sea you don't love, she'll shake you off just as sure as the turning of the worlds. Love keeps
her going when she oughta fall down, tells you she's hurting 'fore she keens. Makes her a home.

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