[C320-list] Perkins water pump help

[David J Gleason]

Mike:

I assume you are referring to the raw water pump on the front of the
engine driven by the V belt that also drives the alternator.  This pump
circulates raw water (lake or ocean water) that is used to cool the
engine.  It circulates raw water through the heat exchanger and out the
exhaust.  There is another water pump, like on an automobile, that
circulates the antifreeze solution through the heat exchanger and the
water heater.  Both these pumps are essential for the operation of the
Perkins.  You could by pass the water heater if needed, but you cannot
eliminate either of the pumps without overheating.

Dave Gleason
Proud Mary, #150

 
On Tue, 4 Jul 2006 21:50:18 -0400 "Lachance, Michael B (ISD, IT)"
<MLaChance at thehartford.com> writes:
> On Saturday we had quite the rocket ride out to Block Island (broad 
> reaching in 20-25kts with full main and partially 155 furled at hull 
> speed and beyond surfing down the big waves virtually the entire 
> trip. But coming back today after hoisting I went below to check 
> course and smelled overheating. Upon investigation we found a hole 
> in the water pump housing about the size of 3 toothpicks points 
> together (that we hoped would stem the antifreeze flow if we needed 
> the engine to dock, we didn't so don't know if that's a good trick 
> or not). 
> 
> Anyways, here the question: on a Perkins M30, is there anyway to 
> bypass this pump ??? It's only purpose as I see it is to feed the 
> hot water heater and I'd rather not wait for a replacement pump. 
> Mike
> Seychelle, 141
> 
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> 
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