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cjcarman



Joined: 16 Jan 2017
Posts: 9
City/Region: Alaska
State or Province: AK
PostPosted: Thu Jul 11, 2019 2:18 pm    Post subject: Fish box pump Reply with quote

I have a Tomcat and one of my fish box pumps suddenly quit. The screen came off so I suspect a clog but after cleaning the intake with a wet vac I still can't get the pump to turn on. Looked at the pump but could not find a rest switch. I welcome any advice on the matter.
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thataway



Joined: 02 Nov 2003
Posts: 17124
City/Region: Pensacola
State or Province: FL
C-Dory Year: 2007
C-Dory Model: 25 Cruiser
Vessel Name: thataway
Photos: Thataway
PostPosted: Thu Jul 11, 2019 5:49 pm    Post subject: Reply with quote

First check to see if the fuse is OK. If the pump impeller is shot or stuck, it may cause the motor to overload. (Also can you access the body of the motor and see if it is warm--any indication of current draw--such as lower voltage, if you don't have an amp meter in line with the electrical system.

The pumps have a slot in the back of the shaft--which is exposed on the back of the motor--often a stuck impeller can be turned, manually with a screw driver...problem is access to the pump....

The impeller is fairly easy to change, if you can get the entire unit out.

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Bob Austin
Thataway
Thataway (Ex Seaweed) 2007 25 C Dory May 2018
Thisaway 2006 22' CDory November 2011 to May 2018
Caracal 18 140 Suzuki 2007 to present
Thataway TomCat 255 150 Suzukis June 2006 thru August 2011
C Pelican; 1992, 22 Cruiser, 2002 thru 2006
Frequent Sea; 2003 C D 25, 2007 thru 2009
KA6PKB
Home port: Pensacola FL
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Morning Star



Joined: 22 Nov 2009
Posts: 108
City/Region: St. Petersburg
State or Province: FL
C-Dory Year: 2007
C-Dory Model: 255 Tomcat
Vessel Name: Morning Star
PostPosted: Thu Jul 11, 2019 7:52 pm    Post subject: Reply with quote

One of my fish box macerater pumps stopped working recently. I first checked the 20-amp fuse as Bob suggests. It was badly corroded to the point that it disintegrated as I removed it from the holder. After cleaning up the fuse holder and replacing the fuse the pump still did not run. I checked the voltage on the load side of the switch and it was not present (line side was). I removed the spade connectors from the back of the switch and cleaned the contacts. The pump now runs. I was lucky that my problem was simple and I didnít have to mess with the pump.
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