Stus-List Heat exchanger

Josh Muckley muckleyj at
Sun May 10 22:16:01 EDT 2015

First, I would try to suck/siphon enough coolant out and save it for
reuse.  Second, without the end bells on the core is removable.  In fact in
dire straights you can do so to make your fresh water cooled into a raw
water cooled.  That being said, I don't think you can remove the end bells
without causing coolant to leak.

Josh Muckley
S/V Sea Hawk
1989 C&C 37+
Solomons, MD
As I progress through my cooling system I will have to clean out the heat
exchanger on our 3HM35.  I have a simple question, not covered in the
repair manual I have...

Can it be cleaned in place once the end caps are removed? And, if so, does
this mean I don't have the drain the coolant?


Tom Buscaglia
S/V Alera
1990 C&C 37+/40
Vashon WA
P 206.463.9200

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