74 PFAFF
2,5 mm 2,5 mm
2,5 mm 2,0 mm
2,5 mm 1,5 mm
2,5 mm 1,0 mm
2,5 mm 0,5 mm
2,5 mm 3,0 mm
2,5 mm 3,5 mm
2,5 mm 4,0 mm
53.5 Examples for the potentiometer adjustment
Requirement: Keys , , ,
are for recalling the fullness for the bottom ply.
Keys , , are for recalling the fullness for the top ply.
Note: Consider requirement of section 53.3 when adusting potentiometers “2” to “7”.
Example with stitch length “2.5”
Test seam:
.1 Set desired stitch length.
.2 Switch on machine (mains switch).
- Key is automatically activated (LED on)
.3 Join two workpieces of the same length (approx. 50 cm) together.
.4 If the two workpieces are not joined together in a shift-free condition, carry out correction on
potentiometer “0” (fig. 14).
.5 For setting the personally desired fullness assign the individually required fullness amount to
keys to by re-adjusting potentiometers “1” to “7”.
Movement of
upper feed dog
Movement of
bottom feed dog
Key pressed
Seam construction
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