2.10 Sewing foot lift and thread tension lift
2.10.1 Mechanical sewing foot lift
Caution: Danger of injury !
Switch off main switch.
Check and adjust clearance in the lifting mechanism only when the
sewing machine is switched off.
Standard checking
The lifting shaft 4 must run smoothly, however without axial backlash.
The clearance in the lifting mechanism should amount to approx.
0.5 mm between spring guide 2 and lifting lever 1.
–
Lower sewing feet.
–
Turn handwheel until the presser foot touches down.
–
Tilt sewing machine head to the back.
–
Move lifting bar 6 and check clearance.
Correction
Position of the lifting shaft
–
Loosen screw at the adjusting ring 5.
–
Push lifting shaft 4 completely to the right, push adjusting ring 5 to
the left and tighten.
ATTENTION !
The shaft must still run smoothly.
Clearance of the lifting shaft
–
Loosen screws at the lifting block 3.
–
Turn lifting shaft 4 until there is some clearance.
–
Tighten screws at the lifting block 3.
GB
31
54 3
6
2
1
1