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  • Preventing drive wheel flat spots

    Old 06-26-2018, 08:18 AM
      #1  
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    leonf's Avatar
     
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    Default Preventing drive wheel flat spots

    Flat spots on drive wheels with external motors can make machines growl and be jumpy and even will not let the hand wheel spin. On this New Home with a Westinghouse motor I took some pics.

    [ATTACH=CONFIG]596496[/ATTACH]

    The constant push can squish rubber into flat spots while it is stored.

    [ATTACH=CONFIG]596497[/ATTACH]

    This is the motor axle showing the detents where the set screw will hold a new drive wheel.

    [ATTACH=CONFIG]596498[/ATTACH] One leg of a clothes pin( by the name plate) will hold the motor away from the body and relieve the pressure. Now you should get longer life.
    Attached Thumbnails westinghouse-motor-friction-drive-new-home.-b.jpg   westinghouse-motor-drive-detents-b.jpg   westinghous-motor-clothes-pin-spacer-b.jpg  
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    Old 06-26-2018, 06:05 PM
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    Originally Posted by leonf
    ...
    One leg of a clothes pin( by the name plate) will hold the motor away from the body and relieve the pressure. Now you should get longer life.
    Thank you. I wish more had done this originally.

    I was thinking that there might be one of the wheel pulley machines that may have actually had it in the manual, not that it would have been read or done.

    Oh, for those of you youngsters that don't know what a clothespin is...or those that don't have one of these laying around as always use a dryer, a wooden spoon or pencil or even a pot holder folded up will work. The main thing is keeping the rubber drive pulley thing off the handwheel and especially when it is put away and gravity is working.


    Janey - Neat people never make the exciting discoveries I do.
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    Old 06-27-2018, 06:33 AM
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    Janey, When I saw your post I expected 1 of 2 responses. 1 "You didn't show the whole machine" or 2. "Leon, you don't need the clothes pin on that machine."

    This is the only machine I have that has an arm to lift the motor off the wheel. I think it is for bobbin winding.

    Arm pictured below.

    I hadn't even thought of folks not knowing what clothespins are. Good point.

    [ATTACH=CONFIG]596585[/ATTACH]
    Attached Thumbnails hew-home-release-arm-b.jpg  
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    Old 06-27-2018, 06:09 PM
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    fooled you, fooled you Now, that you mentioned it....

    Neat that it has an arm to release drive from handwheel.

    Janey - Neat people never make the exciting discoveries I do.
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