Adjustment
13.
04.16
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.
2
3
4
5
1
6
Fig. 13 - 15
●
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
.
The timing of the tension release can be adjusted using the service functions
(see
chapter 11.09 Summary of the service functions)
.
If a tension release is not desired when activating the automatic presser-foot
lifter or the knee lever, adjust the drive dog
4
accordingly.
13 - 19
Summary of Contents for 1421E1
Page 113: ...Notice...