Instruction manual
2.9 Sewing foot lifting
2.9.1 Mechanical sewing foot lift
Caution: Risk of injury!
Tur n off the main switch.
Check and set the clearance of the lifting mechanism only when the
machine is 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.
–
Tur n 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 6 completely to the right (see the arrow),
push the adjustment ring 3 close to the bearing bush and tighten
it.
ATTENTION!
The shaft must still run softly.
Lifting shaft clearance
–
Loosen the screws on the lifter block 4.
–
Twist the lifting shaft 6 until it has the necessary clearance of 0.5
mm.
–
Tighten the screws on the lifter block 4.
29
6
12 1
54 3