Position Of The Lower Timing Belt Pulley - Duerkopp Adler 550-12-12 Service Instructions Manual

2.2 Position of the Lower Timing Belt Pulley

The screws of the lower timing belt pulley should be in the position
shown when the sewing unit is arrested in position D (4 notches
visible).
Caution Risk of Injury !
Turn off main switch before adjusting.
–
Arrest the machine head in position D (4 notches visible).
–
With an incorrect setting of the screws first set the position of the
upper timing belt pulley (see chapter 2.1).
–
Remove the timing belt from the upper timing belt pulley.
–
Turn the lower timing belt pulley until the screws are in the position
shown.
–
All following settings must be checked or reset.
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