In article ,
jzlatar-genesis wrote:

Regarding the muffler, I presume that is working because the fumes
come out,
NO NO NO NO NO NO ..... fumes AND water need to come out of the exhaust
system. If you have water up to the engine as per your prior
inspection, then open/disconnect the water exit hose of the exhaust
manifold; if flow then you probably have a 'salted' injection elbow, if
no flow then you probably have a fouled exhaust manifold. Cast irion
exhaust manifolds can fail in two ways: corrosion of the base metal
that issues huge platelettes' of rust that lodge in and block the flow
channels ..... or the deposition of carbonate salts (boiler scale
fouling).

What engine do you have?



if the heat exchanger,is clogged, that means that I have to
open the engine?

You're right except that the exhaust elbow isn't part of the muffler (assuming
he actually has a muffler).

And his engine is a 2GM20F which is fresh water cooled, and has a heat exchanger
bolted on (but certainly distinct from) the manifold.


"Rich Hampel" wrote in message
...
In article ,
jzlatar-genesis wrote:

Regarding the muffler, I presume that is working because the fumes
come out,
NO NO NO NO NO NO ..... fumes AND water need to come out of the exhaust
system. If you have water up to the engine as per your prior
inspection, then open/disconnect the water exit hose of the exhaust
manifold; if flow then you probably have a 'salted' injection elbow, if
no flow then you probably have a fouled exhaust manifold. Cast irion
exhaust manifolds can fail in two ways: corrosion of the base metal
that issues huge platelettes' of rust that lodge in and block the flow
channels ..... or the deposition of carbonate salts (boiler scale
fouling).

What engine do you have?



if the heat exchanger,is clogged, that means that I have to
open the engine?

On Mon, 19 Jan 2004 16:40:56 -0500, "Jeff Morris"
wrote:

And his engine is a 2GM20F which is fresh water cooled, and has a heat exchanger
bolted on (but certainly distinct from) the manifold.
Not sure what you meant by "distinct", but the manifold is part of the
heat exchanger assembly. The manifold is at the bottom of the
exchanger in the fresh water reservoir.
__________________________________________________ __________
Glen "Wiley" Wilson usenet1 SPAMNIX at worldwidewiley dot com
To reply, lose the capitals and do the obvious.

Take a look at cpRepeater, my NMEA data integrator, repeater, and
logger at http://www.worldwidewiley.com/

You could be right - I stupidly left my Yanmar books on the boat which is now
sealed up!

But still, the actual heat exchanger tubes can be pulled out of the assembly and
cleaned out. I didn't think they could get "salted."

"Glen "Wiley" Wilson" wrote in message
...
On Mon, 19 Jan 2004 16:40:56 -0500, "Jeff Morris"
wrote:

And his engine is a 2GM20F which is fresh water cooled, and has a heat
exchanger
bolted on (but certainly distinct from) the manifold.
Not sure what you meant by "distinct", but the manifold is part of the
heat exchanger assembly. The manifold is at the bottom of the
exchanger in the fresh water reservoir.
__________________________________________________ __________
Glen "Wiley" Wilson usenet1 SPAMNIX at worldwidewiley dot com
To reply, lose the capitals and do the obvious.

Take a look at cpRepeater, my NMEA data integrator, repeater, and
logger at http://www.worldwidewiley.com/

I have been trying to get the manual or part catalog for the Yanmar
2GM20F but in Santiago Chile is a bit hard, Y have ordered it to
Yanmar directly. My question...Does any body have a photocopy that can
send me to my mail? I mean scanned, only the page where the heat
exchange is?

Thanks in advance
Jorge -Genesis

jzlatar-genesis wrote:

I have been trying to get the manual or part catalog for the Yanmar
2GM20F ...

It's avail;able on this page:

http://www.marinedieseldirect.com/ya...ar&sku=A0A1361

--
Good luck and good sailing.
s/v Kerry Deare of Barnegat
http://kerrydeare.tripod.com

jzlatar-genesis wrote:

I have been trying to get the manual or part catalog for the Yanmar
2GM20F ...

It's avail;able on this page:

http://www.marinedieseldirect.com/ya...ar&sku=A0A1361

--
Good luck and good sailing.
s/v Kerry Deare of Barnegat
http://kerrydeare.tripod.com

I have been trying to get the manual or part catalog for the Yanmar
2GM20F but in Santiago Chile is a bit hard, Y have ordered it to
Yanmar directly. My question...Does any body have a photocopy that can
send me to my mail? I mean scanned, only the page where the heat
exchange is?

Thanks in advance
Jorge -Genesis

You could be right - I stupidly left my Yanmar books on the boat which is now
sealed up!

But still, the actual heat exchanger tubes can be pulled out of the assembly and
cleaned out. I didn't think they could get "salted."

"Glen "Wiley" Wilson" wrote in message
...
On Mon, 19 Jan 2004 16:40:56 -0500, "Jeff Morris"
wrote:

And his engine is a 2GM20F which is fresh water cooled, and has a heat
exchanger
bolted on (but certainly distinct from) the manifold.
Not sure what you meant by "distinct", but the manifold is part of the
heat exchanger assembly. The manifold is at the bottom of the
exchanger in the fresh water reservoir.
__________________________________________________ __________
Glen "Wiley" Wilson usenet1 SPAMNIX at worldwidewiley dot com
To reply, lose the capitals and do the obvious.

Take a look at cpRepeater, my NMEA data integrator, repeater, and
logger at http://www.worldwidewiley.com/

On Mon, 19 Jan 2004 16:40:56 -0500, "Jeff Morris"
wrote:

And his engine is a 2GM20F which is fresh water cooled, and has a heat exchanger
bolted on (but certainly distinct from) the manifold.
Not sure what you meant by "distinct", but the manifold is part of the
heat exchanger assembly. The manifold is at the bottom of the
exchanger in the fresh water reservoir.
__________________________________________________ __________
Glen "Wiley" Wilson usenet1 SPAMNIX at worldwidewiley dot com
To reply, lose the capitals and do the obvious.

Take a look at cpRepeater, my NMEA data integrator, repeater, and
logger at http://www.worldwidewiley.com/