Question about Tsurumi Pump s Submersible Trash Pump - 3000 GPH, 1/2 HP, 2in., Model# HS2.4

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I have two 50pn 2.4s pumps on my system. One was tripping the internal overload. I shut it off and removed the pump to my work bench. Obvious by spinning the impeller that there was a bad bearing, but I plugged it in on the bench...it runs but jerky and loud...also the impellar is showing wear where it had been obviously running with a rock (or rocks) inside the intake strainer. I disassembled the unit and about a pint of water came out, including water in the electrical compartment at the top. The bottom roller bearing is bad, but had not self destructed. wondering if there is a repair kit for this unit, including a new impellar??? Thanks don mc cain

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Hi Don,

Thank you for your great explanation,

This pump really need some serious maintenance, this was cause because the mechanical seal broke down or was completely wear, check your warranty you have 2 years,

The overload jump because the pump at a motor failure, due to water,
The only way to repair this pump is to take the motor and rotor visually check if there is any burn spot or damage part if not you can try to make everything dry for a few days, replace the defect part and put it back together it might work (30%)

But if you think the electric motor run to long with water in it, It will be more worthed to replace it with a new one,


And i stongly suggest you to check the oil on your other pump, to know how is your mechanical seal,

To check the oil its the only star screw on the side of it, when you remove it try not to spill to much out, if the oil is completely clear your mecanical seal is fine, if its white like milk you need to replace it, it mean water start to infiltrate, and its worthed replacing it,

Hope i could help you let me know if you have more question,

Have a great day,


(mechanical seal is what prevent and block water to reach the electrical motor, its the part that as a big stainless steel spring with to sillicon face on top and bottom,)


Posted on Oct 22, 2010

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