Product Description
229-03157 Counter Weight
This counter weight balances rotating components on the main shaft, reducing vibration and keeping the machine running smoothly at operating speed.
Fits
- Jack F4, F5, F6 and JUKI single needle lockstitch machines
Why Replace It
A loose or damaged counter weight lets vibration increase noticeably, which can affect stitch consistency and accelerate wear on nearby components.
FAQ
My machine vibrates more than usual — could this be why?
Yes, a loose or unbalanced counter weight is a common source of increased vibration, especially at higher operating speeds.
