Brother International PR670E Operation Manual - Page 36
Installing the bobbin case
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Pass the thread through the thread slit and b under the tension-adjusting spring. Fully insert the bobbin case until it snaps b into place. 1 Thread slit 2 Tension-adjusting spring Pull the thread about 50 mm (2 inches) c through the opening in the tension- adjusting spring. Close the hook cover. c 1 About 50 mm (2 inches). For adjusting the tension of the bobbin thread, refer to "Adjusting the tension of the bobbin thread" on page 102. Installing the bobbin case Insert the bobbin case into the hook. a Insert the bobbin case while aligning the tab on the bobbin case with the notch in the hook, as shown in the illustration. 1 Tab 2 Notch 34
34
b
Pass the thread through the thread slit and
under the tension-adjusting spring.
1
Thread slit
2
Tension-adjusting spring
c
Pull the thread about 50 mm (2 inches)
through the opening in the tension-
adjusting spring.
1
About 50 mm (2 inches).
For adjusting the tension of the bobbin thread, refer
to “Adjusting the tension of the bobbin thread” on
page 102.
Installing the bobbin case
a
Insert the bobbin case into the hook.
Insert the bobbin case while aligning the tab on the
bobbin case with the notch in the hook, as shown in
the illustration.
1
Tab
2
Notch
b
Fully insert the bobbin case until it snaps
into place.
c
Close the hook cover.