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BERNINA
Part
Description
730 Stitch
To sew a buttonhole the
Width Knob
wing of the stitch width
lever needs to be pulled
down; refer to the 730-guide
book.
830/930 stitch
The stitch width knob
width knob
controls the stitch width.
For the use by Authorized BERNINA Dealers Only
Service Procedure 700-900.doc
Servicing Procedure for Series 700-900
Possible
Repair
Malfunction
Instructions
• The wing cannot be
Danger: do not force
the lever in any way
pulled down. In some
or form. The part is
cases dryness of oil
no longer available!
could cause the lever
to be immobile.
• The knob sticks
Select buttonhole
• The buttonhole beads
position #5 and check
if the stitch width knob
are not in the correct
is spring loaded
position.
towards the left hand
• The bar tack covers
side. Check if the
the beads.
needle bar moves
freely. Move the
change over lever
between zero and 1-20
(not engaged in either
position) adjust max
stitch width the needle
bar should be "sloppy
loose"
Page 21/32
Picture
INSTRUCTION IN
PART 2.14
2003 Bernina of America Inc
Last Revised 5/11/2005
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