
Adjustment
13.
04.20
Tension release
Requirement
With lever
1
raised or the automatic presser foot lifter activated, both tension discs
6
must
be at least
0.5 mm
apart.
3
2
4
5
●
Raise the roller-presser using lever
1
.
●
Adjust screw
2
( nut
3
) in accordance with the
requirement
.
●
Raise the roller-presser using the automatic presser foot lifter or the knee lever.
●
Move the drive dog
4
( screw
5
) in accordance with the
requirement.
On machines with thread tension control (
-906/10
) the timing of the tension
release can be adjusted using the service functions ( see
chapter 11.09 Sum-
mary of the service functions ).
Fig. 13 - 19
6
1
13 - 24