Threading The Double Needle - Bernina Artista 640 User Manual

14 Operating instructions

Threading the Double Needle

A
Threading the First Thread
• place thread spool on horizontal spool pin
and thread
• guide the thread to the front in the slit and
past the tension disc A on the right side
• thread sewing computer as usual and
thread the right needle
Threading the Second Thread
• place thread spool on the additional spool
pin and thread
• guide the thread to the front in the slit and
past the tension disc A on the left side
• thread the left needle
• threads must not be twisted together
When using the supplementary
spool pin (vertical) always attach
the foam pad (prevents the
thread from getting caught on
the spool pin)
Threading the Triple Needle
• two thread spools and one full bobbin are
needed
A
• place one thread spool on horizontal spool
pin
• place second thread spool and the bobbin,
separated by a spool disc, on additional
spool pin (both spools have to turn in the
same direction)
• thread as usual by guiding two threads on
the left side of the tension disc A and one
thread on the right side of the disc
By using the Supplementary
thread guide (special
accessories), thread winds off
the spool much easier.