Bernina 1150MDA User Manual download pdf (Page 4)

Needle and Thread

Serger Needles

BERNINA sergers use the same type of needle

as most sewing machines: 130/705H. Note: An

exception to this is the JLx2 needles that can

help perfect the cover stitch on models 1300

MDC and 009DCC.

Use size 80/12 or 90/14 needle in your serger;

larger needles can interfere with looper move-

ment and cause damage; smaller needles may

not form the stitches correctly.

Always make sure needles are fully inserted as

high as possible, with the flat side to the back.

When using both the right needle and the left

needle, the needles will not be even w

hen they

are fully inserted. The l

eft needle will be slightly

higher than the right one.

Serger Thread

Serger threads are usually polyester and are finer (lighter weight) than many sewing machine threads to

avoid thread build-up and excessive bulk in seams. It is important that serger thread is smooth without

variations in diameter as it needs to feed smoothly through many thread guides for good stitch formation.

You also want a good-quality thread – such as Mettler Metrocor – that is not “fuzzy” and does not leave

excessive lint in the lower part of your overlock machine. Serger threads are sold on cones for economy

and convenience; regular spools of thread may be used but will not last very long when forming serger

stitches. Along with serger thread, there are applications that call for specialty and decorative threads.

Listed below are some of these threads commonly used in the serger:

Texturized Nylon Thread – such as YLI Woolly Nylon and Mettler Metroflock – a very elastic

thread with excellent coverage; perfect for rolled edges and knit seams. Available in solid

and variegated colors, and metallics.

Polyester Topstitching Thread – such as YLI Jeans Stitch & Mettler Cordonnet – this heavy

thread is used for decorative stitching (flatlocked seams and overcast edges). Also

nice for cover and chain stitching. Available in solid and variegated colors.

Rayon Decorative Threads – such as YLI Pearl Crown Rayon & YLI Designer 6 – shiny

threads for decorative applications. Pearl Crown Rayon is twisted, while Designer 6 is

untwisted. Available in solid and variegated colors.

Metallic Decorative Threads – such as YLI Candlelight – adds a bit of glitz to seams and edgings.

Decorative Sewing Threads – sewing machine threads can also be used in the serger, and are

particularly effective when several are used together as one thread.

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Bernina 1150MDA User Manual Page 4