2022-Ultrafeed LSZ Guidebook - Flipbook - Page 21
Installing Bobbin
in Bobbin Case
22
1. Insert a threaded bobbin (A) into the
bobbin case (B) as shown (22).
G
2. Hold the tail of the thread while pushing
the bobbin into the bobbin case.
3. Pull the thread through the slit (C) in
the edge of the bobbin case.
4. Continue pulling the thread under the
tension plate (D).
E
B
A
5. Snap thread into position under the
tension plate and pull out about 12
to 18 inches of thread, checking for
consistent tension.
D
C
I
6. Holding the case with a view of
the bobbin, the bobbin should turn
clockwise when pulling on the thread
tail (23). If it is not, take the bobbin out
and flip it over.
A Bobbin
G Finger
B Bobbin Case
I
23
Tension Adjustment Screw
C Slit
D Tension Plate
E
Spring-Loaded Lever
Scan to watch a video on
how to wind a bobbin.
UltrafeedĀ® LSZ Guidebook
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