Question about PfaFF Creative 7570

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Foot feed sticks at top then runs wide open

Pedal doesnt work on slow speed. the more pressure to the end results in verry fast speed. wont run machine at a soft touch.

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The resistor in the foot pedal has shifted up and out of position or is worn out and needs to be replaced. Opening up the pedal is easy, there are four screws on the bottom that are hidden under rubber pads that need to be pried up. There are two round ones that come out and one long strip at the other end that can be pried out. After opening up the unit just push down on the resistor to re-seat it. It is a small rectangular piece about 1" by 1/2". The big problem is putting it all back together which can be very difficult without someone showing you how, but people have done it before. I can't easily explain but you'll know it when you get it. You might want to take pictures as you go along. The biggest pit fall is that you can easily bend the contact spring which glides along the resistor and lives up inside the plunger (the plastic piece that actually touches the floor when in use). This is the most difficult part, I'm not sure if you want to try it or send it to the shop. If you don't keep track of where the contact spring is you can easily bend it, if you do you can bend it back. It is made of copper and can take a little bending no problem.

Good luck!

Posted on Feb 13, 2009

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