Sailrite Fabricator Guidebook
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30
Bobbin Thread Winding Adjustment
If the wound bobbin thread is not tight, adjust
the thread tension by turning the tension stud
thumb nut of the bobbin winder (
A
). If the wound
bobbin is not even, loosen screw (
B
) and move
tension bracket (
C
) to the right when the bobbin
is not filling enough on the right or move it to the
left when the bobbin is not filling enough on the
left. An even fill is desired (
Figure 56
). Once it is
filling properly tighten screw (
B
)
.
Do not overfill the bobbin as the thread may
jamb in the bobbin case. Fill it to about 80% of
bobbin’s outside diameter. Use the stop latch
screw (
D
) to control the fill. Rotate the screw
clockwise to increase the amount of thread on
the bobbin and counterclockwise to decrease
the amount of thread.
Note:
The metal finger (
E
) can be bent by hand
if more adjustment is required
.
55
56
A
B
C
D
E
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