20. ADJUSTING THE WALKING FOOT AND PRESSER FOOT
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the following
work after turning the power off and ascertaining that the motor is at rest.
21. THE FEED DOG-TO-NEEDLE RELATIONSHIP
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the following
work after turning the power off and ascertaining that the motor is at rest.
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