2.5.2
Presser foot lift head S52
Caution: Risk of injury!
Switch the main switch off.
Check and adjust the presser foot lift only with the sewing unit
switched off.
Standard
When the piston rod 1 is extended, the lever 4 should abut on screw 6
and the clearance under the sewing feet should amount to 5 mm.
Furthermore there should be a distance of 0.3 mm between stop 11
and screw 10 in this position.
Correction
–
Loosen counternut 5 and screw the screw 6 down completely.
–
Swivel the sewing foot in.
–
Turn handwheel in direction of rotation until the teeth of the
feed-dog are underneath the top edge of the throat plate.
–
Loosen screw 2 and press ring 3 backwards as far as it will go.
–
Tighten screw 2 in this position.
Take care that ring 3 and lever 4 have no axial backlash.
–
Press lever 7 down until there is a distance of approx. 5 mm
between sewing foot and throat plate.
–
Let screw 6 abut on lever 4 in this position and fix it by a locknut.
Note
If lever 4 does not abut on screw 6 when the piston rod 1 of the
cylinder is extended, please proceed as follows:
–
Loosen nut 8.
–
Shift cylinder 1 correspondingly.
–
Tighten nut 8.
–
Loosen screw 9.
–
Turn screw 10 in such a way that there is a distance of approx.
0.3 mm between screw 10 and stop 11.
Take care that lever 7 is pressed down as far as it will go.
–
Tighten screw 9.
14
6
11
9
5
1
2
3
4
7
1
8
10
