If you have a problem with your Juki sewing machine, cleaning and adjusting the clutch-spring assembly might resolve it. The clutch typically is located in the hand wheel on the end of the machine opposite of the sewing arm. The clutch assembly includes a hook portion and an angle portion of the clutch spring. This attaches to the motor pulley, moving the sewing arm and needle. If the clutch seems to be sticking, take the hand wheel apart to clean and oil the clutch-spring assembly. After that, the clutch should run smoothly. If not, the pieces have not been reassembled properly, or the issue is not with the clutch-spring assembly.
- Skill level:
- Moderately Easy
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Things you need
- Warm water
- Cleaning rag
- Sewing machine oil
Locate the screw in the centre of the hand wheel.
Unscrew the fastener, and remove the hand-wheel cover by sliding it off the shaft pin.
Remove the hand-wheel bushing to access the clutch-spring parts. Slide off the clutch-assembly components, noting the order of removal for replacement.
Clean the hand wheel, bushings, clutch spring parts and shaft pin with a rag and warm water, then dry the pieces.
Add a couple of drops of sewing machine oil to the shaft pin and the components after cleaning.
Reassemble the parts of the clutch assembly and hand wheel.
Sew a few stitches on a scrap piece of fabric to blot any excess oil and prevent sewing projects from being ruined.
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