Some of the impeller the pin doesn't go through the rubber fins and it slips on the hub. You may wish to swap as a test. This has baffled many people because the impeller looks perfectly fine.
Sent from my Samsung Galaxy smartphone. -------- Original message --------From: Eric Frank via CnC-List <cnc-list@cnc-list.com> Date: 2018-05-30 14:46 (GMT-04:00) To: cnc-list@cnc-list.com Cc: Eric Frank <efran...@mac.com> Subject: Stus-List problem getting the raw water flowing Never had trouble with this before, but this year I could not get the raw water going out the exhaust when I was getting ready for launching. Always use a bucket of fresh water on the intake to the raw water pump (new impeller every year) just to make sure things are working. Engine started fine but no water out the exhaust. Impeller was turning when I cranked the engine so thought the problem might be downstream of that. A mechanic at the yard reported back that things were fine and he just had to run the engine at a high RPM to get the raw water flowing. Anyone else experience that? Does it suggest that the tubes where the raw water cools the engine water could be getting clogged? Advice appreciated. Eric Frank Cat's Paw C&C 35 Mk II Mattapoisett, MA
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