7
Setting of bobbins
Threading in the rotating hook (with tension
spring) and installation of the bobbin case
( 1 ) Pass the bobbin thread slit ① so that the thread
can be unwound on the left side of the bobbin.
( 2 ) Pass the bobbin thread in the order from ① to
④ in the figure.
( 3 ) Match the protruded portion of the rotating
hook with recessed portion Ⓐ of the bobbin
case and install the hook and the bobbin case
to the rotating hook shaft.
( 4 ) Set the bobbin case latch lever.
( 5 ) Leave the thread tail on the bed.
5
Adjustment of feed (stitch)
length and backstitch
● Adjustment of feed (stitch) length…Adjust feed
length by turning the feed length setting dial
while pushing PUSH lever.
● Backstitch…Direction of stitching can be
reversed by depressing the reverse sewing
lever or pushing the touch back switch.
6
Adjustment of the needle
thread guide
Adjust the needle thread guide of the needle
thread tension adjuster according to the fabric, the
thread, and sewing condition.
HOW TO USE
Feed length setting dial
Reverse sewing lever
④Spring
③Guide eye
②Guide eye
①Slit
Thread
Bobbin
Bobbin case
latch lever
Ⓐ
Bobbin case
Needle
thread
guide
position
Left side
Center
Right side
Fabric
Heavy
Standard
Light
Needle
thread
supply
More
Standard
Less
Touch back
switch
— 7 —
Summary of Contents for LT2-2250-B1T
Page 28: ...Printed in Japan ...
