Dürkopp Adler 868-M Operating Instructions Manual page 61

Operation
Operating Instructions 868-M - 01.0 - 12/2020
On CLASSIC machines with 2 adjusting wheels, the left adjusting
wheel (1) sets the normal sewing foot stroke, while the right
adjusting wheel (2) sets the increased sewing foot stroke.
The increased sewing foot stroke can be switched on and off using
the button on the push button panel or the knee button ( p. 60).
Fig. 37: Setting the stroke height
(1) - Adjusting wheel
(normal sewing foot stroke)
To set the sewing foot stroke:
Increasing the sewing foot stroke
1. Turn the adjusting wheel (1)/(2) clockwise.
Reducing the sewing foot stroke
1. Turn the adjusting wheel (1)/(2) counterclockwise.
① ②
(2) - Adjusting wheel (increased sewing
foot stroke; CLASSIC machines only)
59