Dürkopp Adler D669, Operating Instructions Manual

Page: 44 / 226

Operation
42 Operating Instructions D669 M-TYPE DELTA - 00.0 - 10/2020
At seam beginning
Start bartack
and sew • Press the pedal forwards (po1) and keep it
there.

Machine sews a start bartack (if specified).

Afterwards, the machine continues to sew - with
increasing speed the further forward the pedal is
pressed.
In the middle of the seam
Stop sewing • Release the pedal (position 0).

Machine stops. Depending on the setting, sewing
feet and needle are up / down.
Continue
the sewing
process (after
releasing the
pedal) • Press the pedal forwards (po1)

Machine continues to sew - with increasing speed
the further forward the pedal is pressed.
Sew over
thicker parts of
the material • Switch on the elevated sewing foot stroke with the
knee button (

p. 38 ).
Change the
stitch length
• Activate the 2
nd
stitch length using the button on the
push button panel (

p. 38 ).
Increase the
thread tension • Activate additional thread tension using the button on
the push button panel (

p. 38 ).
Sew an
intermediate
bartack • Sew backwards with stitch regulator (

p. 37 ) or
activate backwards sewing using the button on the
push button panel (

p. 38 ).
At seam end
Finish
the seam
and remove
the sewing
material • Press the pedal fully back (position -2) and keep it
there.

End bartack is sewn, and thread is cut (if set).

Machine stops.

Needle up, sewing feet down.
• Remove the sewing material.
Condition Processes