Pfaff 3822-1/22 - Step-Cut Front Knife Cutting Depth and Trimming Margin

58 PFAFF
16
0,5mm
KAP56-13
7
20
50.8.4 Setting the cutting depth of the rear top knife in relation to the hook knife
Requirement: In its lowest position, rear top knife 7 must cross hook knife by 0.5 mm
(Fig.16).
.1 Switch on trimming mechanism (key , LED on, Fig. 17).
.2 Switch on hook knife (key , LED on)
.3 Set top knife in cutting position; see also chapter 57.1).
.4 Set hook knife at cutting position (knee switch 4, Fig. 18).
.5 Set top knife height, eccentric 16, screw 17 (Fig. 19).
50.9 Setting the cutting depth of the front top knife
Requirement: Front top knife 9 (Fig. 21) must make two thirds of its cutting stroke before
rear top knife 7 begins to cut.
.1 Fit front top knife 9 (Fig. 20, screws 18).
.2 Switch on trimming mechanism (key LED on, Fig. 17).
.3 Set top knives in highest position (balance wheel).
.4 Engage hook knife 20 (knee switch 4, Fig. 18)
.5 Adjust knife height (front top knife 9) according to requirement (screws 18, FIg. 21).
50.10 Setting the trimming margin
Requirement: The trimming margin must be set at 3.5 mm
Sew a sample seam and check the trimming margin.
Correction: On the two screws 25 (Fig. 21)
Caution, do not change cutting angle!