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-   -   Indmar 350 MCX hose connections (http://www.mastercraft.com/teamtalk/showthread.php?t=52160)

lazyade 12-22-2012 04:19 PM

Indmar 350 MCX hose connections
 
Anyone been able to locate a diagram of the hose connections on the Indmar 350 MCX? Am in the middle of fitting a new engine and want to make sure I get the indirect cooling, raw water, gearbox cooling and exhaust risers all connected properly!

Thanks

PureInboards 12-22-2012 04:32 PM

Open or closed cooling system?

lazyade 12-22-2012 04:33 PM

Quote:

Originally Posted by PureInboards (Post 897799)
Open or closed cooling system?

Closed loop cooling.

Bouyhead 12-22-2012 04:35 PM

...........

lazyade 12-22-2012 04:35 PM

Quote:

Originally Posted by Bouyhead (Post 897801)
Do you have a closed cooling system with a heat exchanger that uses anti freeze, or the standard cooling system that uses raw water?

We have the salt water series, with a heat exchanger.

GoneBoatN 12-22-2012 08:48 PM

Maybe you can find the information you are looking for at ftp://ftp2.indmar.us/Service%20Infor...ow%20Diagrams/

lazyade 12-23-2012 01:25 PM

Quote:

Originally Posted by GoneBoatN (Post 897827)
Maybe you can find the information you are looking for at ftp://ftp2.indmar.us/Service%20Infor...ow%20Diagrams/

Excellent, thanks. I'm still a bit confused at the previous owner on my boat has but cast iron exhaust manifolds on, which have a a two water fittings at each end, one larger one by the water pump and a smaller one by the transmission. Looking at the diagrams at the above FTP site my boat (half indirect cooling, half raw water) shouldn't have two water take offs from each manifold. Not sure where the smaller diameter take offs go - guess I might see once the engine is back in the boat!

PureInboards 12-23-2012 02:51 PM

picture might be easier to work with as its doesn't sound like its standard

Bouyhead 12-23-2012 08:45 PM

Quote:

Originally Posted by lazyade (Post 897890)
Excellent, thanks. I'm still a bit confused at the previous owner on my boat has but cast iron exhaust manifolds on, which have a a two water fittings at each end, one larger one by the water pump and a smaller one by the transmission. Looking at the diagrams at the above FTP site my boat (half indirect cooling, half raw water) shouldn't have two water take offs from each manifold. Not sure where the smaller diameter take offs go - guess I might see once the engine is back in the boat!

Three scotches to the wind but here it goes: the fittings on your manifold toward the front or the motor should come from your thermostat housing, to send water to cool the exhaust gases. The fittings on the rear of the manifolds, by the transmission are for draining/winterization purposes. I think.

GoneBoatN 12-23-2012 09:32 PM

Quote:

Originally Posted by lazyade (Post 897890)
Excellent, thanks. I'm still a bit confused at the previous owner on my boat has but cast iron exhaust manifolds on, which have a a two water fittings at each end, one larger one by the water pump and a smaller one by the transmission. Looking at the diagrams at the above FTP site my boat (half indirect cooling, half raw water) shouldn't have two water take offs from each manifold. Not sure where the smaller diameter take offs go - guess I might see once the engine is back in the boat!

Quote:

Originally Posted by Bouyhead (Post 897951)
Three scotches to the wind but here it goes: the fittings on your manifold toward the front or the motor should come from your thermostat housing, to send water to cool the exhaust gases. The fittings on the rear of the manifolds, by the transmission are for draining/winterization purposes. I think.

The diagram for my engine EXT CAT RWC shows the drain hoses Bouyhead mentions. Some of the other diagrams also show the drain hoses. However I don't see the drain hoses mentioned in a few of the other diagrams. I just don't know if they did not bother to show them or if they really are not to be there. I could see then not using the drain hoses on the FWC systems. I see "Annually, you should remove the end caps to drain and inspect
the heat exchanger." in one of the service advisories at the same site. Also makes me think maybe drain hoses are not used on closed cooled systems. BTY I used FileZilla FTP Client and downloaded all the documents at that site so that I have them local on my PC.

Maybe someone with a closed cooled system on this forum can shed some light on this one.


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