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Old 14-11-2013, 21:17   #16
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Re: Lifting my engine

I carry onboard a scissor jack and a special board just for this reason. It won't hurt the oil pan as long as the weight is distributed evenly across the pan and around the edges/radius.

Get yourself a board that extends out an inch on each side, spray is with a can of spray foam and cover it immediately with some thin plastic and force it up under the pan and keep it there until the foam cures. Wala you have a preformed lifting board just for your motor. Make sure you cut out any reliefs for drain plugs or dipsticks.

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Old 14-11-2013, 21:31   #17
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Re: Lifting my engine

I use the mainsail halyard to get the engine from the dock to the cockpit and down into the cabin, where it settles on two two by fours which span the frames fore and aft in the engine room. Then, I lower a chain hoist through a 4" hole in the cockpit sole. The chain hoist is supported by a four by four spanning the cockpit seats. I raise the engine up by its lifting eyes, remove the two by fours, and lower the engine onto the the bed logs. Easy peasy.

The last couple pics are of the jig I built to simulate the position of the prop shaft and the positions of the engine mounts, so that everything would fit nicely after all the work of bringing the engine into place.
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Old 17-11-2013, 12:36   #18
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Re: Lifting my Engine

The scissors jack worked fine and I didn't put a hole in the bottom of the boat.
I wasn't too worried about the oil pan as the W46 is based on a small automotive diesel and, in 40+ years in the auto service industry, I don't recall an engine that couldn't safely sit on its pan. Leaking from compressing the gasket shouldn't be an issue as the clamping forces of the pan bolts is a lot greater than the weight of the engine.
I couldn't do 1 corner at a time as the top mount studs are too long and I don't have the tools on board to remove the mounting brackets on the block.
I put the jack under the transmission on the back end to get better leverage and not lift the entire unit.
The hardest part was getting onto the nuts in the mounting beams for the aft mounts.
The R&D mounts appear to be well made and should last longer than the old ones. I expect the engine to stay put now and hopefully be a little quieter.

Now I just have to align it.
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Old 17-11-2013, 13:08   #19
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Re: Lifting my Engine

Good job

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engine, lift

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