Bernina Virtuosa 153 Instruction Manual & Sewing Manual page 28

Important facts about sewing computer needles
sewing computer, 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 which needle is suitable for which threads.
The needle you use depends on the thread. The needle
must be suitable for the thread.
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.
If the needle is too fine,
the groove will be too
narrow for the thread and
faulty stitching or thread
breakage can occur.
bent needle
Needle 70
Darning thread
Embroidery
thread
Mercerised
cotton thread
Synthetic thread
Thick threads,
synthetic merce-
rised thread
Buttonhole thread
for decorative
seams (cordonnet)
blunt needle
Needle, thread
80 90 100 110 –120
hooked needle
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