Sewing Foot Lifting; Mechanical Sewing Foot Lift - Dürkopp Adler 867 Service Instructions Manual

2.11 Sewing foot lifting

211.1 Mechanical sewing foot lifting
1
6
2 1
Caution: Danger of injury !
Turn the main switch off !
Check and set the clearance of the lifting mechanism only with the
sewing machine switched off.
Standard checking
The lifting shaft 6 is supposed to run softly but should have
no end play.
The clearance in the lifting mechanism should be approx. 0,5 mm
between the spring guide 2 and the lifting lever 1.
–
Lower the sewing feet.
–
Turn the handwheel until the presser foot touches down.
–
Move the lifting shaft 6 and check its clearance.
Correction
Tightening the lifting shaft
–
Unscrew the electric and pneumatic unit 5.
–
Loosen the screw on the setting ring 3.
–
Push the lifting shaft completely to the right (see the arrow), Push
the setting ring 3 close to the bearing bush and tighten it.
ATTENTION !
The shaft must still run softly.
More clearance for the lifting shaft
–
Loosen the screws on the lifter block 4.
–
Twist the lifting shaft 6 until it has the necessary clearance.
–
Tighten the screws on the lifting block 4.
5 4 3
GB
33