Stiff motor singer 99k
 

I recently bought a singer, brilliant tool! But I was using it last night and it went stiff at the motor, it works fine with just the crank but when I reattach the belt to the motor it doesn't move. I don't know what type of oil or even where to oil it if that is the answer??

Has anyone ever had this problem? Thanks in advance for any help

When you say "it works fine with just the crank" are you referring to it sewing smoothly with the hand wheel? If you remove the belt and run the motor, does the pulley spin? Is it possible the belt is too tight or does the belt slip?

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

Thank you very much for your reply

Yes the wheel works perfectly by turning the wheel by hand and stitches perfectly also doing so.

When I take the belt off the small black plastic "wheel" attached to the motor is now very very stiff

Welcome to the Board!

Here's a recent thread about working on motors, I'm sure there are others as well:

https://www.quiltingboard.com/vintag...a-t314081.html