22
The upper position of the needle bar
Requirements
When the tip of the hook passes the centre of the
needle, the gap between the tip and the upper
edge of the needle eye should be 1.5 mm.
Comments
The gap between the tip of the hook and the
needle eye is influenced by the timing of the
hook in relation to the needle. Check
according to page 20 before any adjustment
is made.
Adjustment
Remove the front cover.
The catch located under the lower edge of the
front cover should be drawn downwards and
the lower part of the cover lifted out from the
machine. The cover can now be lifted upwards,
so that it releases from the upper shoulder screw.
Press the button for straight stitching. Turn the
handwheel until the needle is at the lower turning
position. Push the hook downwards and then
hold it fast, so that the catch of the hook rests
against the left side of the driver slot. Turn the
handwheel until the tip of the hook reaches the
centre of the needle. Loosen the screw (8/34) on
the crank rod pin. Move the needle bar axially
until the gap between the upper edge of the
needle eye and the tip of the hook is 1.5 mm.
Before tightening the screw (8/34) check that the
needle eye is at right angles to the hook.
Comments
As the needle bar is made in the form of a tube,
the screw must not be tightened too hard. There
is a risk of the needle bar becoming deformed
and thereby moving stiffly in its bearings.
Spare parts: See RA page 8.
NOTE!
The tip of the hook
at the centre of the
needle
Setting of the upper
position of the needle
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