Sewing Machine: Runs sluggish
Lack of lubrication, lint buildup, a worn drive belt or a faulty drive motor can cause the sewing
machine to run sluggish.
Clean and lubricate the sewing machine regularly (at least yearly) to prevent drive gears from
sticking and causing sluggish needle or feed dog movement.
Check the drive belt for wear because a worn drive belt can slip—causing sluggish drive system
movement.
If the drive motor makes noise when running, then a worn bearing may be preventing the motor
from driving the belt smoothly. Replace the motor if it’s noisy and not running smoothly.
These repairs may help solve your Sewing Machine
problem:
Replace the sewing machine drive belt
The drive belt transfers motor rotation to the hand wheel and upper shaft. If the belt breaks, the
hand wheel won't move and the bobbin-winding spindle won't spin. Examine the drive belt and
replace it if it's worn or broken.
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