It should work, you will be getting wet in the process.

Joe Della Barba


From: David Knecht via CnC-List <cnc-list@cnc-list.com>
Sent: Thursday, June 5, 2025 12:19 PM
To: Stus-List <cnc-list@cnc-list.com>
Cc: David Knecht <davidakne...@gmail.com>
Subject: [EXTERNAL] Stus-List Re: Water pump mystery

I am planning to pull hose off seacock- open it and shove a big screwdriver 
down the opening. Never done that. Bad idea? Dave
Sent from my iPhone


On Jun 5, 2025, at 12:09 PM, David Knecht 
<davidakne...@gmail.com<mailto:davidakne...@gmail.com>> wrote:
Hi Dennis. Did that. No apparent problem downstream. No water is getting to 
heat exchanger which is first thing downstream of pump. Dave
Sent from my iPhone


On Jun 5, 2025, at 12:05 PM, Dennis C. via CnC-List 
<cnc-list@cnc-list.com<mailto:cnc-list@cnc-list.com>> wrote:

Focus your investigation downstream of the pump.  Disconnect the hose from the 
discharge of the pump or the inlet to the exhaust elbow.  Start the engine and 
observe if you have flow.

--
Dennis C.
Touche' 35-1 #83
Mandeville, LA

On Thu, Jun 5, 2025 at 10:31 AM David Knecht via CnC-List 
<cnc-list@cnc-list.com<mailto:cnc-list@cnc-list.com>> wrote:
Eliminated many possibilities yesterday. Pump shaft turning fine. Replaced 
impeller. Still not pumping water. Has anyone had a priming problem?  My 
current hypothesis is that either the pump is not self priming or the seacock 
is partially plugged limiting flow. Water comes into raw water strainer with 
lid off but no idea if it is normal rate or not. Dave



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