Bernina Artista 630 User Guide - Page 17

Needle/Thread Combination

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Operating Instructions 17 Needle/Thread Combination In order to check the needle/thread compatibility, the correct size thread must correspond with the correct size needle. Correct Needle/Thread Combination When sewing, the thread should travel smoothly down the long groove on the front of the needle. Too Thin Thread or too Thick Needle The thread has too much clearance in the groove. Skipped stitches and damage to the thread can occur. Too Thick Thread or too Fine Needle The thread rubs on the edges of the groove and can get jammed. This can break the thread. Needle Summary BERNINA requires needle system 130/705 H. This system number refers to shank shape as well as to length and form of the needle point. Checking the Needle Condition The needle condition should be checked and the needle replaced regularly. A defective needle not only damages the fabric but also the sewing computer. The following are the guidelines: replace needle when starting a new sewing project or as required. 130/705 H S 70 Shank diameter = 0.7 mm (needle size) Needle point e.g. medium ball point Needle scarf Flat shank Shank length 031196.50.04_0507_a630_EN

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17
Operating Instructions
Needle/Thread Combination
In order to check the needle/thread compatibility, the correct size thread must correspond with the correct size needle.
Needle Summary
BERNINA requires needle system
130/705 H. This system number refers to
shank shape as well as to length and form of
the needle point.
130/705
H
S
70
Checking the Needle Condition
The needle condition should be checked and
the needle replaced regularly. A defective
needle not only damages the fabric but also
the sewing computer.
The following are the guidelines: replace
needle when starting a new sewing project or
as required.
Correct Needle/Thread
Combination
When sewing, the thread should travel
smoothly down the long groove on the front
of the needle.
Too Thin Thread or too Thick Needle
The thread has too much clearance in the
groove. Skipped stitches and damage to the
thread can occur.
Too Thick Thread or too Fine Needle
The thread rubs on the edges of the groove
and can get jammed. This can break the
thread.
Shank diameter
= 0.7 mm
(needle size)
Needle point
e.g. medium
ball point
Needle scarf
Flat shank
Shank length
031196.50.04_0507_a630_EN