B
G
H
E
21
F
22
A
B
D
G
C
I
E
23
21
Removing & Installing
Bobbin Case
The bobbin case (
B
) is located on the underside of
the machine beneath the presser foot (
21
)�
Removing — Lift the spring-loaded lever (
E
) and
pull the bobbin case out� With the lever held open,
the bobbin is captive in the bobbin case� Release
the lever and the bobbin will fall out�
Installing — Pull and hold the spring-loaded lever
outward to keep the bobbin from falling out and
push the case onto the axle of the gib hook (
F
)�
The finger of the bobbin case (
G
) should fit into the
retaining ring’s notch (
H
)�
If the lever (
E
) is held up until the bobbin case is
completely installed, the lever, when released,
will lock onto the axle and there will be no clicking
sound� If the lever is released before the bobbin
case is pushed completely in place, there is a
clicking sound when the case is pushed all the
way on. The finger of the bobbin case will drop into
the notch in the hook’s retaining ring (
H
)� Bobbin
thread should loosely dangle�
A
Bobbin
B
Bobbin Case
C
Slit
D
Tension Plate
E
Spring-Loaded Lever
G
Finger
I
Tension Adjustment Screw
Scan to watch a video on
how to wind a bobbin�
Installing Bobbin
in Bobbin Case
1�
Insert a threaded bobbin (
A
) into the
bobbin case (
B
) as shown (
22
)�
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
)�
5�
Snap thread into position under the
tension plate and pull out about 12
to 18 inches of thread, checking for
consistent tension�
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.
NOTE: Machine head tilted back�
17 |
Sailrite�com
Ultrafeed
®
LSZ Guidebook
| 18
