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 advice for removal of inboard diesel?		  New Topic  Topic Locked
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JimB517
Past Commodore

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USA
3285 Posts
Initially Posted - 04/29/2005 :  16:00:14  Show Profile  Visit JimB517's Homepage
OK, we have to remove the inboard 7 HP Yanmar diesel from my friends S2 for a rebuild. It weighs 175 lbs. The boat is much like a C27 (but a million times finer fit and finish). The engine sits in an engine space under the cockpit floor. There is a port lazerette like on our C25s and and a starboard quarter berth like our C25s. The motor is in between. The bulkhead between the quarter berth and the engine space will be removed this evening.

Plan

exhaust, fuel system is already disconnected.

Remove shaft, place radiator clamps on shaft to keep it from sliding out of the stuffing box.

Disconnect wiring, take photos with digital camera first.

Unbolt motor mounts

Raise motor with a small hydraulic jack off the mounts. Place 2 x 4s under motor. Slide motor onto a piece of plywood laying in the quarterberth area (this is my biggest worry).

Drag motor into salon, the nice teak floor is covered with old rugs.

Rig up 4 part block and tackle off mid-boom and hoist motor up, slide back into cockpit.

Move block-and-tackle to boom end and hoist motor. Swing boom over dock. Set motor down. Carry to my van. Old and worn carpet covered with old rug.

Indiscipline 1978 FK SR #398
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Sloop Smitten
Master Marine Consultant

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USA
1181 Posts
Response Posted - 04/29/2005 :  16:25:42  Show Profile
Hey Jim,
I helped a friend move a new spa last weekend and we placed it on gray PVC pipes. That worked great. You might cut some small sections to place under the plywood to alleviate dragging and scuffing.
The clip on my topping lift broke when I was on the trip back from Mission Bay and released the boom. Be careful handling that weight with the boom. Especially when you get out towards the end.
Good Luck,
Joe
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Leon Sisson
Master Marine Consultant

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USA
1893 Posts
Response Posted - 04/29/2005 :  17:06:04  Show Profile  Visit Leon Sisson's Homepage
JimB,

I helped pull a 7HP Yanmar out of an old Hunter 27 once. We did it about the way you described. If you have trouble getting the engine out in one piece (because of its dimensions or weight), consider removing some large parts with it still in the engine bay. Examples would be transmission, exhaust manufold and cyclinder head. That approach may not help him get a motor back in, but by then you could be hiding far, far away.

I second Joe's caution regarding topping lifts failing at the worst possible time. Maybe use main halyard as topping lift. Also, when you go to swing the boom over the dock, be ready for the boat to suddenly heel a lot. Either have people there to support the outboard end of the boom, or make sure you've got the motor high enough above the dock that the heeling won't cause it to crash into anything. You could do a test swing first with an appropriate sized person hanging from the boom.

-- Leon Sisson
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JimB517
Past Commodore

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USA
3285 Posts
Response Posted - 04/29/2005 :  18:31:45  Show Profile  Visit JimB517's Homepage
good advice, both. Thanks, I like the roller idea.
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JimB517
Past Commodore

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USA
3285 Posts
Response Posted - 05/02/2005 :  12:55:30  Show Profile  Visit JimB517's Homepage
The motor is out, it was removed without too much trouble in about 2 hours. Fuel pump, starter, alternator, water pump were all removed to make it lighter.

It took about 2 hours to get the panel between the quarter berth and engine room out, then only 2 more to get the engine out.

Expect to have it back in about 2 weeks.
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Ben
Master Marine Consultant

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USA
1234 Posts
Response Posted - 05/02/2005 :  13:23:45  Show Profile
Glad to hear the engine removal went well, Jim. On a different tack, I haven't seen you post anything about how your trip went. I've been dying to read how your adventure was and to hopefully see some pictires.
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JimB517
Past Commodore

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USA
3285 Posts
Response Posted - 05/02/2005 :  17:05:09  Show Profile  Visit JimB517's Homepage
I'll have photos up soon and I posted our trip report in the Thread "Newport - Ensenada wish us luck"

We had some problems resulting in a withdrawl and overheated / blown engine.
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.