Adjustment
13.05.09 Top feed stroke
Requirement
With the longest top feed stroke set and the stitch length at "0", lifting presser 1 and vibrating presser 2 must each rise from the needle plate by 7.0 mm when the balance wheel is turned.
4
3
1
7 mm
2
7 mm
Fig. 11 - 09
●Set the longest top feed stroke and stitch length "0".
●Lower lifting presser 1.
●Turn the balance wheel in sewing direction until vibrating presser 2 has reached its highest point.
●Turn crank 3 (srews 4) according to Requirement.
13 - 11