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BA_170-22D_A14_180704_en
4.6
4.6.1
Stitch depth regulator
By means of the stitch depth regulator you can adjust the distance between the
upper edge of the plunger and the needle radius, i.e. the distance the plunger is
lifted or lowered depending on the material thickness. This determines the
depth the needle penetrates the fabric layers hold between plunger and cloth
retainer. This value is called stitch depth.
General
A low stitch depth can result in skip stitches, if the stitch depth is too deep the
needle can stitch through the material.
4.6.2
The stitch depth is set by means of the adjusting knob (7) at the front side of
the machine (
Setting the stitch depth
Fig. 2).
Turning the adjusting knob to the left (+) means deeper needle penetration.
Turning the adjusting knob to the right (-) means lower needle penetration.
Per notch the stitch depth is altered by 0,01mm.
4.6.3
On the stitch depth display (
Digital stitch depth indication
Fig. 7) the immersion height can be read off
digitally. With frequently changing sewing matter thickness, this makes the
finding of earlier settings substantially easier.
Current supply is through a 9V battery located in the housing. To prevent
premature discharging of the battery, the display should be switched off with the
toggle switch on the housing during longer work pauses and when work is
completed.
The unit-position shows a hundredth of a mm, the hundred-position shows a full
revolution of the regulation button.
Always valid:
small number
– thin sewing matter
large number
– thick sewing matter
The adjustment of the stitch depth by one digit (= 1 of the unit-position of the
display) complies with an immersion height alteration of 0.01 mm.
When turning the regulating button clockwise to the stop, a value between 003
and 006 appears on the display.
4.6.4
a)
Switch toggle switch to position "0" (
Changing the battery
Fig. 7)
b)
Open lid on the back of the housing.
c)
Change battery CAUTION! note polarity.
d)
Close lid.
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