Pfaff Creative 7550, Service Manual, Page: 26 / 116

10. Position of needle in needle hole In sewing direction
Requirement:
There must be a clearance of 02 mm between the back edge
of
the needle shank and the back edge
of the needle hole in the needle plate ( f i g . 1 0).
Note:
Since system 130nos
H
needles increase in size at
the
needle front side only, the point of an Nm 1 00
needle is positioned exactly in the middle of
the
needle hole (as seen in feeding direction), while the
point of an Nm 80 needle is positioned slightly closer to the back edge of the hole.
Check:
•
Insert a new needle of sysem 130/705
H
In size Nm 1 00 .
•
Select stitch pattern
·oo·
for straight stitch.
•
Engage the zigzag foot.
• Lower
the zlgzag
·toot.
•
Turn the handWheel until the needle Is In
its
lowest position.
The needle must
now have
the same distance to
the
front and rear edges
of
the needle hole In
the foot and the needle plate.
�.�
I
Flg. 10
25