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8. ADJUSTMENT AND MAINTENANCE
8-1. Adjustment of the bobbin winder
(1) Adjusting the winding volume
To reduce the winding volume, first loosen screw A and move the adjust lever toward the bobbin,
conversely, to increase the volume, move it in the opposite direction.
The adjust lever is set so that it will return in the direction of arrow "a" with the thread wound up to
80% of its full volume on the bobbin.
B
(2) Adjusting the turning of the bobbin
Loosen screws C and D of the bobbin winder complete, mount onto the shaft a bobbin on which
thread has been appropriately wound, and push the adjust lever in the direction of arrow "b".
Next, move the bobbin winder complete in the direction of arrow B in the center of the figure.
Once resistance is felt, tighten up screws C and D to finalize the positioning operation.
C
Shaft
b
a
Adjusting lever
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Bobbin
D
A
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