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(16) Adjustment of bobbin thread cam
1. Adjustment of bobbin thread cam
The standard positioning is secured when the pulley
is turned counterclockwise and the first setscrew
of the bobbin thread cam and another first setscrew of the pulley are aligned to the same line.
(Caution) When two main shaft setscrews and of the pulley are turned counterclockwise, the
first screw functions as the main shaft contact setscrew .
Same line
Rotating direction
Bobbin thread cam adjustment
and peep window
Standard Adjustment
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