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Thread: Timer getting stuck at pins after new motor?

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    Timer getting stuck at pins after new motor?

    Had a new motor installed and now my intermatic timer is getting stuck on each on/off pin and won't trigger the pump? It gets stuck right before/at tripping the pin. What could be the problem here? I have check all the pins and they are secure and tight. The timer was not touched during motor install and have never had problems before. Kinda dumbfounded by this one and don't know what the problem could be or how to fix?

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    Mod Squad woodyp's Avatar
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    Re: Timer getting stuck at pins after new motor?

    I've seen some reports where the newer motor replacements aren't quite as strong or have as much oomph as the older ones. Ran across that little tidbit when I replaced mine this summer. Welcome to the forum.
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    Re: Timer getting stuck at pins after new motor?

    Is the motor wired for the correct voltage and is the voltage correct?

    Did the pump motor get replaced or the timer motor?
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    Re: Timer getting stuck at pins after new motor?

    That was going to be my guess, that it's a 240V motor wired up to a 120V circuit... You've got enough amps to keep time, but not enough to push through the pins...

    Or it's a motor that can be wired to either voltage, but you must observe the correct wiring pattern for the supplied voltage.
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    Re: Timer getting stuck at pins after new motor?

    If this resource is to be believed, it appears that you can put either a 240V or 120V motor into at least some Intermatic timer bodies, so you have to have the right one for your setup:

    How to wire Intermatic T10404R

    Here's more good info, including the model numbers for the various motors and voltages:

    How to wire Intermatic T104 and T103 and T101 timers

    And welcome to TFP!
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    Re: Timer getting stuck at pins after new motor?

    I'm not sure that they are talking about the clock motor.

    The clock motor has to match the supply voltage.

    The timer has a small view port that allows you to look at the gears to make sure that they are turning.

    Does the timer otherwise keep proper time?
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    Re: Timer getting stuck at pins after new motor?

    Me neither...
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    Re: Timer getting stuck at pins after new motor?

    My guess is you have dirt or corrosion on the movement bearings causing enough friction that the motor can't overcome the bearing friction plus the pin spring. You might want to disassemble it and try lubricating the bearings with a light oil. Otherwise you need another timer unit.

    That's one of the advantages of the digital timer boxes. No moveable parts. If you replace it consider one of the digital equivalents.
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