5.2 Limit ation of the max. stitch length for machines equipped with 2nd stitch length as st andard
Depending on the used sewing equipment the stitch length adjustment
must be limited to 6 or 9 mm.
This adjustment has to be made on the setting wheel for the long stitch
length (upper setting wheel) only.
–
Set the stitch lengths at “0".
–
Loosen screw 3 at the setting wheel 2 and pull the setting wheel 2
off.
–
The stitch length limitation is adjusted by means of screw 9. It can
be inserted in different drill-holes.
Drill-hole 7 : limitation to 6 mm
Drill-hole 8 : limitation to 9 mm
–
Setthescale1at“0".
–
Put setting wheel 2 on again and tighten with screw 3.
5.3 Basic settings of stitch adjustments for machines equipped with 2nd stitch length as standard
The subclasses 767-FAS-373-RAP-HP, 767-FAS-573-RAP-HP,
767-KFA-373-RAP-HP are equipped with the 2nd stitch length.
This allows a shorter second stitch length to be activated though
pressing a button.
Caution: Danger of injury !
Switch off main switch.
Set the basic adjustment of the s titch adjustment only when
the sewing machine is switched off.
Standard checking
If the setting wheel 2 is in position “0“, the stitch regulator shaft should
have the least possible clearance.
If the same stitch length is adjusted on both setting wheels, there must
be no clearance at all in the stitch regulator.
–
Turn setting wheel 2 to stitch length “ 0".
–
Check the clearance of the stitch regulator shaft at block 10.
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