3. Zero position, feed with equipment
3.1 Zero position adjustment (position of the stitch regulator link)
Caution: Danger of injury !
Switch off main switch.
Check and adjust zero position of the stitch regulator only when
the sewing machine is switched off.
Standard checking
If stitch length “0” is set, feed-dog and needle must not make a feeding
motion when turning the handwheel.
–
Remove cover of oil pan 4.
–
Set stitch length to “0”.
–
Put Allen key in screw 1 and turn handwheel.
The adjustment is correct at the slightest possible motion of the
Allen key.
Correction
–
Loosen clamping screw 5 at block 6.
–
Put a pin in drill-hole 3 of the stitch regulator shaft.
Twist stitch regulator shaft with stitch regulator link.
–
Tighten clamping screw 5.
ATTENTION !
In case of a wrong adjustment the backward s titch lengths and the
forward stitch lengths will differ.
The core pin 2 at the oil pan fixes the stitch regulator shaft.
Neverscrewinthecorepin2uptothebottom.
If the core pin 2 is screwed in too deeply, the motion of the stitch
regulator link can be hindered.
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