Timing Of The Pressure Foot Movement - Duerkopp Adler 975-1-5 Service Instructions Manual

2.5.3 Timing of the Pressure Foot Movement

1
The pressure foot should reach lower dead center together with the
needle bar. The upward movement of the pressure foot begins only
after the looping stroke.
Caution Risk of Injury !
Conduct adjustment work and function testing only with greatest
possible caution.
–
Lower the sewing head.
Set the program switch to 44 and press the " STOP " key.
The sewing head is lowered and the needle plate and pressure
foot raised.
–
Remove plug 1.
–
Loosen both screws on the stroke eccentric.
–
Turn the stroke eccentric 2 on the shaft.
The axial position may not be changed.
–
Tighten both screws on the stroke eccentric again.
–
Insert plug 1 again.
2
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