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(21) Installation of the presser foot
Standard Adjustment
(22) Installing and adjusting the bobbin winder unit
Standard Adjustment
™ The top surface of the throat plate should be closely fitted on the reverse side of the presser foot.
™ A clearance of 1 mm should be provided between the end of needle rocking motor installing boss
and the bobbin winder driving wheel (asm.).
At this time, tilt the bobbin winder lever in the direction A and adjust so that the bobbin winder shaft
does not rotate when turning the bobbin winder shaft by hand.
Screw 1
Throat plate
Needle rocking motor
installing boss
Rubber ring 3
1
Main shaft
Bobbin winder
driving wheel 2
Screw 1
A
Bobbin winder
lever 4
Bobbin winder
shaft 5
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