Bernina a170 Manual page 65

Important facts about sewing machine needles
Sewing machine, needle and thread
Your Bernina uses needle system 130/705H.
Needle and thread
The most commonly sold needles are nos. 70–120. The
finer the needle, the lower the number. The table shows
you which needle is suitable for which threads. The
needle size select must correspond to the thread size.
Correct needle/thread
combination
When sewing, the thread
runs in the long groove on
the needle.
Needle and fabric /
Condition of needle
The needle must be in
perfect condition.
Problems can occur with
damaged needles.
Connection cable
· turn the machine off before
attaching the cable
· insert the cable into the appropriate
socket on the right side of the
machine (PC symbol)
· turn the machine on
Unsatisfactory
needle/thread combination
If the needle is too fine the
groove on the front cannot
accommodate the thread
and faulty stitching occurs.
bent needle
030787.52.04_Nähen_04-01_a165 a170 a180_EN
Optional accessories/Needle, thread, fabric feed
Detailed instruction manuals are
supplied with the artista software
programs.
Needle/
thread table 70
Darning thread
Embroidery
thread
Mercerized
cotton thread
Synthetic thread
Thick threads,
synthetic merc.
thread
Buttonhole thread
for decorative
seams (cordonnet)
blunt needle
80 90 100 110–120
burred needle
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