DURKOPP ADLER 768 User Manual

6.11.2 Rapid electro-pneumatic stroke adjustment (HP)
The
class 768
pillar sewing machine is fitted with rapid electro-pneumatic stroke
adjustment (HP) as standard.
Maximum sewing-foot stroke can be activated while sewing for additional thicknesses in
the material or to oversew cross-seams as follows:
–
Press keypad key 1 on the sewing-machine arm.
OR:
–
Operate knee-switch 2 beneath the table plate.
Rapid stroke adjustment: operating mode
How long maximum sewing-foot stroke remains active depends on which operating
mode has been set. Three operating modes are available.
They are set with parameters F-138 and F-184 on the operating panel
(see motor-manufacturer’s guide (supplied)).
Operating
mode
Operation / Explanation
Press and
hold
F-138 = off
F-184 = 0
Maximum sewing-foot stroke remains active for as long as key 1
or knee-switch 2 is pressed.
Press and
release
F-138 = on
Maximum sewing-foot stroke is activated by pressing key 1 or
knee-switch 2.
Pressing the key or knee-switch again deactivates maximum
sewing-foot stroke again.
Press and
hold with
minimum
stitch rate
F-138 = off
F-184 > 0
Maximum sewing-foot stroke remains active for as long as key 1
or knee-switch 2 is pressed.
After the key or knee-switch is released the machine continues
sewing until the pre-set minimum stitch rate (parameter F-184) is
reached with maximum sewing-foot stroke. The seam is then
continued at normal sewing-foot stroke.
1
2
GB
17

DURKOPP ADLER 768 Specifications

General

Brand	DURKOPP ADLER
Model	768
Category	Sewing Machine
Language	English