Threading The Top Cover Spreader - Brother CV3440 Operation Manual

Threading the top cover
spreader
NOTE:
Thread the top cover thread after first sewing a
cover stitch seam.
„ Needle threads used by the various
stitches
The triple top cover stitch (three-needle, five-
thread) uses the left needle thread, center needle
thread and right needle thread.
The top cover two-needle, four-thread cover stitch
(Wide) (6 mm (15/64 inch)) uses the left needle
thread and right needle thread.
The top cover two-needle, four-thread cover stitch
(Narrow) (3 mm (1/8 inch)) uses the center needle
thread and right needle thread.
Run the thread in the sequence illustrated,
following the purple color and the numbers next to
each threading point.
3
6
7
8
9
0
A
20
2
1
3
4
3
4
5
1. Pull the thread off the spool and directly up
through thread holder 1 and thread holder 2
on the thread tree, from back to front.
2. Pass each thread through 3, shown in the
illustration.
3. Pass the thread through the tension disc 4 in
the channel next to the tension dial marked with
a purple  .
4. Guide the thread down the channel and across
through threading points 5-9 next to the color
marks, following the numerical order in the
illustration.
5. Turn the handwheel counterclockwise to move the
point of the top cover spreader completely to the left.
6. Thread the point of the top cover spreader as
shown in the illustration 0.
7. Pass the top cover thread under the presser
foot, from left to right, as shown in the
illustration A, and then lower the presser foot.
8. Turn the handwheel counterclockwise 2 to 3 times
to check that the top cover thread forms stitches.
After checking the stitching, use scissors to cut any
excess thread, for example, if the top cover thread
is too long or the top cover thread became tangled.
NOTE:
When using thick thread, such as decorative
thread, as the top cover thread, run the thread as
shown in the illustration.
A
Do not run the thread through A .