[Alberg30] Thermostat Question

[George Dinwiddie]

Greg,

I presume you're talking about the new-style engines with the 
thermostat mounted in a housing on the forward end of the 
cylinder head.  These thermostats are dual-acting: they have
to open the path through the engine AND shut off the bypass
path.  The bypass flow is the hose that comes up from the
side of the engine to the thermostat housing.  The inside of
the thermostat housing gets corroded, and then the thermostat
fails to shut off this path.  Water takes the easy route and
bypasses the engine.

The fix is to replace or repair the housing.  Many people
drill out the water entry point and epoxy a new tube in
place.  I'd have to check Moyer's manual to see if he gives
detailed instructions there.  I know that there are people
on the Atomic-4 list (on SailNet) who have done this procedure.

 - George

> greg said:
> 
> I have for the 2nd season tried to figure out what's with the thermostat
> on my wonderful Atomic 4. When I purchased the boat it had no thermostat
> and did not for 5 years after. But last spring I spring for the very
> expensive part. I installed it and ... nothing. Same old luke warm
> exhaust water. This morning I put the part in a pan and boiled the water
> and it seams to worked just fine. From manual it is installed correctly.
> I have shut the intake hose down part way and the temp goes up but I
> don't want to keep that up. What else could be going on? Help Please!
> Kindest Regards- Greg

-- 
 ----------------------------------------------------------------------
  George Dinwiddie                             gdinwiddie at alberg30.org
  The gods do not deduct from man's allotted span those hours spent in
  sailing.                                    http://www.Alberg30.org/
 ----------------------------------------------------------------------

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