Adjustment
73
Fig. 13 - 12
56-040a
0,5 mm
3
2
4
1
5
13
.14
Readjusting the needle height
Requirement
1. When parameter "610" is set at "2" and the hook point is centred to the needle, the
top edge of the needle eye should be
0.5 mm
below the bottom edge of the hook
point.
2. Thread puller
3
should be touching clamp
5
and be positioned in the centre of the face
plate recess.
●
Switch on the machine and set parameter "610" at "2".
●
Turn the balance wheel in the direction of sewing until the needle bar is at its bottom
stroke.
●
Set the hook point to the centre of the needle by continuing to turn the balance wheel.
●
Adjust needle bar
1
(screw
2
) and thread puller
3
(screw
4
) in accordance with the
requirements.
●
Switch off the machine.
When checking the left needle entry position (parameter "610" at value "3"),
the distance between the top edge of the needle eye and the lower edge of
the hook point is greater.
Summary of Contents for 3307-1 SERIES
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