Brother 681B-UG, User Manual

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HOW TO PULL UP LOWER THREAD
1. Raise needle and presser
foot to the highest point.
With left hand, hold the end
of upper thread and with
right hand, turn balance
wheel toward you until the
needle moves down and up
again to its highest position.
2. Now upper thread catches
the lower thread in a loop.
Pull upper thread toward
you so that lower thread will
come up in a large loop
from the presser foot.
3. Pull both threads under the
toes of presser foot and
place them to the rear
leaving about 10 cm ( 4-
inches).
Needle
HOW TO CHANGE THE NEEDLE
1. Raise needle to its highest position.
-9-
2. Loosen needle clamp screw and remove
old needle.
3. Insert new needle up into needle clamp hole
as far as it will go against the needle stop.
Make sure the flat side of needle faces
toward the right side and the long groove
toward left.
4. Tighten needle clamp screw securely.
HOW TO CHECK THE NEEDLE
For smooth sewing, needle must be straight and
sharp.
To check if the needle is bent, place the flat side
of the needle down on slide plate as shown in
illustration.