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Wartsila’s User Group Forums 34 SG Wartsila Engine Cooling water valves Reply To: Cooling water valves


We have a few units that leak cooling water past the butterfly valves.  If we are going to have a cyl head off for a while, we drain the radiator and engine together to prevent flooding the engine with coolant.  We haven’t changed any valves, as it is a manageable problem.  Our best practice is to have two 2×4 boards cut-to-length that hold steady pressure on a closed valve handle.  The handle locks are broken on some of ours, and the boards hold them tighter anyway.