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Thread: Intermatic timer question

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    dayhiker's Avatar
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    Intermatic timer question

    I have a T10404R timer box on my pump and polaris. Just after getting the pool the polaris timer went out. The pool guy replaced it. Now it's out again. I can still manually turn the polaris on and off.

    So far, I've take the motor off the timer that doesn't work. On an ohmeter set to 20k, it measures about 7 when I put a lead on each of the wires. I did the same on the pool pump motor without taking it off and got the same reading. When I took the motor off the timer, the timer now moves freely but the motor gear doesn't turn when I try to spin it. I did not take the pump timer motor off for a comparison because that one has a good bit more wiring attached to it.

    I exptected the ohmeter to read 0 on this thing, but it doesn't. Does it still seem likely that this is what's busted since it won't turn, but the timer mechanism itself will. It'd be nice to just replace this little motor instead of the whole shooting match, if possible.

    thanks.

    EDIT: When I say the motor won't turn I'm refering to the gear that is external to the motor. This is the one that connects to the timer wheel itself. I have discovered that the very first gear in the motor can be turned. It in turn, turns two others. Whether the gearing down process makes these other gears turn, but so slowly that I can't see, I don't know. Regardless, I can't make the gear that connects to the timer visibily turn.
    The avatar is Spalding from Caddyshack
    18x36 vinyl IG - approximately 24000 gal
    Jandy SHPM1.5 Pump (1.5 HP); Jandy APURE 1400 SWG; Polaris PB4-60Q Booster Pump; Jandy CL340 Cartridge Filter
    (3) 4'x12' Aquatherm solar panels
    Next project, pump sound enclosure and lots of pool landscaping [6tons of stone 8) funnnn]

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    Mod Squad Bama Rambler's Avatar
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    Re: Intermatic timer question

    Those timer motors are geared big time. You shouldn't be able to turn it by the end gear. You can hook the motor up and mark it to see if it turns but be ready for a very slow movement.

    If you have determined that it's bad, there should be numbers stamped on it telling the voltage and speed. If you match the mounting, voltage, speed and pinion gear there's no reason you couldn't replace it.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

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    dayhiker's Avatar
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    Re: Intermatic timer question

    Quote Originally Posted by Bama Rambler
    Those timer motors are geared big time. You shouldn't be able to turn it by the end gear. You can hook the motor up and mark it to see if it turns but be ready for a very slow movement.

    If you have determined that it's bad, there should be numbers stamped on it telling the voltage and speed. If you match the mounting, voltage, speed and pinion gear there's no reason you couldn't replace it.
    that pretty well backs up my edited comments above. The thing is, I think it's bad but am not the most mechanical guy in the world. If the ohmeter had shown a 0 I wouldn't be blinking an eye. Since it wasn't 0, I halfway exptected the timer part to not turn freely once disconnected. I felt like maybe a twig or something had jammed it, but that isn't the case.
    The avatar is Spalding from Caddyshack
    18x36 vinyl IG - approximately 24000 gal
    Jandy SHPM1.5 Pump (1.5 HP); Jandy APURE 1400 SWG; Polaris PB4-60Q Booster Pump; Jandy CL340 Cartridge Filter
    (3) 4'x12' Aquatherm solar panels
    Next project, pump sound enclosure and lots of pool landscaping [6tons of stone 8) funnnn]

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    pikeman's Avatar
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    Re: Intermatic timer question

    I've got an InterMatic timer too and don't think you can service that assembly. Doesn't it have to be replaced?
    Pete
    15K IG, WetEdge technology lined pool, StaRite pump, Hayward DE filter, Hayward Navigator, Zodiac MX8 (junked).

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    dayhiker's Avatar
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    Re: Intermatic timer question

    Undo two screws and it came right off after disconnecting it from the power source. It also gave the replacement part # on it.

    An electrical engineer lives next door. He had no explanation for why it read the same as the other timer motor, didn't read a short, and didn't work. Very weird.

    I'm going to reconnect it and see what happens. Seems like the only other option is to replace the whole thing to be safe.
    The avatar is Spalding from Caddyshack
    18x36 vinyl IG - approximately 24000 gal
    Jandy SHPM1.5 Pump (1.5 HP); Jandy APURE 1400 SWG; Polaris PB4-60Q Booster Pump; Jandy CL340 Cartridge Filter
    (3) 4'x12' Aquatherm solar panels
    Next project, pump sound enclosure and lots of pool landscaping [6tons of stone 8) funnnn]

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