Pump motor problem

Discussion in 'Pumps and Tanks Well Forum & Blog' started by hippodrome, May 7, 2008.

  1. hippodrome

    hippodrome New Member

    Messages:
    1
    I wonder if anyone has ever seen anything like this one:

    The half-horse capacitor-start motor on my shallow well pump won't start reliably. What I've found is that when the motor shaft is in a certain position, it won't start, just hums. I can get it to start by rotating the shaft about 30 degrees, off of this dead zone.

    The shaft rotates freely all the way around, nothing is binding. The pump runs and sounds normal when it does start. The starting contacts are pretty pitted, but it always starts fine if the shaft isn't in the bad spot.

    I was hoping it was the starting cap, but I suspect it might be one of the motor windings.

    Thanks

    Phil in Minn
Similar Threads: Pump motor
Forum Title Date
Pumps and Tanks Well Forum & Blog 2140 ft pump motor control circuit via float switch..? Aug 6, 2014
Pumps and Tanks Well Forum & Blog For Sale: Grundfos Centrifugal Pump with Baldor Motor Mar 29, 2014
Pumps and Tanks Well Forum & Blog Properly Cooled Submersible Pump motor Jan 5, 2014
Pumps and Tanks Well Forum & Blog Suggestions for a 2 well system with pump motor problems. Oct 3, 2013
Pumps and Tanks Well Forum & Blog Franklin Motor Starter or Franklin Pump Motor? Sep 28, 2013

Share This Page