Adjustment
11 - 22
11.04.20 Adjusting the presser bar lifting lever without subclass -911/97
Requirement
When the knee lever is operated
1. the roller presser must rise 5 mm above the needle plate and
2. the tension discs of the thread tension device must be 0.5 mm apart.
● Check, if necessary adjust the setting in accordance with Chapter 11.04.13 Clearance
between roller presser and needle plate.
● Adjust rod 1 (nut 2) in accordance with requirement 1.
● Adjust bar 3 (screw 4) in accordance with requirement 2.
● Check whether the raised presser bar lifter drops back down under its own weight when
the automatic presser foot lift is operated, and adjust rod 1 if necessary.
Fig. 11 - 20
3
4
2
1
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