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Noob with L100 - motor very hot!

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  • Noob with L100 - motor very hot!



    Greetings,</p>

    I recently (2 weeks ago) purchased an L103 with the matching bench for $75 from a thrift store here in Fort Wayne. It is in great shape physically except one of the two legs was broken and the other one somewhat split (I believe this probably happened in transport to the store). Internally she was very dusty but virtually no other issues were visible. Everything cleaned up great and all but one of the tubes were original HAMMOND branded.</p>

    After some messing around I was able to get all of the keys, all of the pedals, all of the tombstone tabs and most of the drawbars happening. At the same time I oiled the tonewheel and the motor with Hammond oil. The organ was really working great, until recently. </p>

    A couple of days ago, I left it on for an hour of so and really noticed a heavy "hot" smell coming from the motor. Upon closer inspection I was not able to hold my hand on it for more than a moment, it was that hot. At first I thought the motor may just need some more oil so I added a few drops to each side, turned it off, let it cool and then restarted it - it still got very hot.</p>

    It seems to reach that "very hot" temperature after about 15 minutes. It still seems to play fine and other than the smell you probably wouldn't notice anything out of the ordinary.</p>

    In an effort to not be a total noob, I did search the site for questions about motors in L100's. I found a lot of informative discussion but I still have some questions:</p>

    - How hot should the motor get when used at room temperature?</p>

    - Could the capacitor be bad even if it doesn't get hot (though it does have a bit of sticky residue on the outside of the can).</p>

    - What do I replace the capacitor with (value, model, etc.) if it is bad?</p>

    - Did I over-oil the motor in an effort to lubricate the heat issue away (I probably dropped 6 drops per side, 2 when I got it and 4 today)?</p>

    Thanks for the help.</p>

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  • #2
    Re: Noob with L100 - motor very hot!



    Replace the cap. The value is stamped or printed on it. (3 or 4 mfd) Look at the cap and see if it looks pooched out at all. See if it gets hot. It shouldn't do either. As the cap goes bad, it will cause the motor to run hot. However, they DO run hot normally.</p>

    Geoelectro
    </p>

    Comment


    • #3
      Re: Noob with L100 - motor very hot!



      Hi George and others,
      </p>

      My organ is the H-262, and I am still having an occ.. problem with a slight slow-down, and warbling pitch, but very little, if any noise, which we are going through possibilities about right now. </p>

      One is .., how hot is the motor, and another how hot is the Capacitor..... I have NO experience with this, so I will mention it this way... when it looses pitch, or has been operating for a half hour or more, the motor as hot enough that it would be very hard to hold in your hand more than perhaps, 3 seconds... or another way, almost as hot as a cup of coffee in a ceramic cup... the cap seems normal temp to me...</p>

      It could STILL be a bearing that has no oil I assume, but otherwise, it is elusive...., as it slows, with a "little" disk noise sometimes, only after some 25-40 min of operation.... always... if allowed to cool for at least several minutes before turning back on. However, the TG is very quiet.. and I have been running it without the V. scanner, so I could hear the operation better. nothing else seems amiss, except, the "F" pitches seem to warble FIRST...
      </p>

      Do you believe this motor is operating too hot? Or is another problem more likely?</p>

      My Regards, and Thanks!!! John (ellll)
      </p>

      Comment


      • #4
        Re: Noob with L100 - motor very hot!



        Individual pitch warbles are tone wheel specific. Global pitch problems are motor related. If some pitches are stable then the motor is stable. I would then suspect the individual tone wheels associated with the bad pitches. Likely a direct oiling on those specific bearings is in order.</p>

        The run motors do run hot. The run capacitor should not be hot. The cap case should not look pooched out in any way.</p>

        Geoelectro
        </p>

        Comment


        • #5
          Re: Noob with L100 - motor very hot!



          Hello again, !! ,And my thanks for a kind answer...!</p>

          To be honest, I felt from reading your past reply's in the archives, it was a pretty good bet you would make this reply.... and the doing so makes me feel secure in my own view. which was near, just from the reading I did! Again thank you. I will wait a period to be sure the oil is there..., and then will attrmpt the next required steps..!!</p>

          My Regards!!! John (ellll).
          </p>

          Comment

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