Message with any questions.
Help: Juki SC-120 motor running slow / jerky?
Here’s a proper post suitable for a forum, social media group (like a sewing or industrial machine community), or a classified ad, depending on your goal. juki sc-120
$[Insert price]
Juki SC-120 Electronic Control Box – Works Perfectly Message with any questions
Many Juki industrial machines using a 400W clutch or servo motor conversion.
Control box only (no motor or pedal). 110V version. or a classified ad
I have a Juki industrial machine with an SC-120 control box. Recently, the motor has been running erratically—sometimes slow to start, other times jerky at low speed.