Service-Manual_artista_630_640_english_V4.01_032069_50_04.doc
46
5.5 Position of the head frame plate
Standard:
•
Presser foot must be in the center of the
stitch plate.
•
A size 100 needle must be in the center of
the stitch hole in the needle plate.
Correction:
•
Attach presser foot no. 1
•
Loosen screws (
1a slightly
) and (
2a
).
Reposition head frame plate (using
eccentric key
031 563.50.00 at point
Y
) in such way that
the presser foot is centered in the stitch
plate.
•
Tighten screw (
1a
).
•
Remove presser foot and insert a size 90
needle.
•
Turn
screw
(
2a
) in or out to center the
needle in the stitch hole of the needle plate.
5.6 Presser foot fixation
Standard:
•
Using a new presser foot, the tension pin (
81
) should be positioned one third to halfway along tension
lever (
82
). The presser foot sole (
83
) should be positioned parallel to the markings on the stitch plate.
Correction:
•
Loosen
screw
(
84
) on clamp (
85
).
•
Adjust clamp (85 in height) until correct tension
position is reached (1/3 along the tensioning
lever).
•
Align the presser foot sole (
83
) with the
markings on the stitch plate.
•
Tighten screw (
84
).
2a
y
1a
1a
83
84
82
85
81
84
85
