DURKOPP ADLER 887 - Controlling the Machine Equipped with a Positioning Motor; By a Control Pedal

6.13 Controlling the machine equipped with a positioning motor
6.13.1 By a control pedal
The pedal position is scanned by a sensor distinguishing 16 levels.
The meaning is given in the table:
Pedal position Pedal motion Meaning
-2 Over heel fully backwards Command for thread trimming
(seam finishing)
-1 Over heel slightly backwards Command for foot lifting
0 Neutral position See notes
1 Slightly forwards Command for foot lowering
2 Further forwards Sewing at minimum speed
(1. speed gear)
3 Further forwards Sewing - 2. speed gear
:: :
13 Fully forwards Sewing at maximum speed
(12. speed gear)
Note: In addition to the neutral position, it is possible to pre-select the
needle position (down/up) and the foot position (down/up) at the
stopping in the seam (by the pedal positioning in the neutral position),
the foot position (down/up) after the seam finishing (by the pedal
treading fully backwards and positioning the pedal in the neutral
position).
20
-2
-1
13
2
1
0