Tension Release - Pfaff 421E1 Instruction Manual

Adjustment
13.

Tension release

04.16
13 - 19
Requirement
With lever 1 raised or the automatic presser foot lifter activated, both tension discs 6
must be at least 0.5 mm apart.
1
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.
2
4
3
5
6