Bottom Feed Dog Stroke; Bottom Feed Lifting Motion - Pfaff 3822-1/22 Instruction Manual

23

Bottom feed dog stroke

Requirement:
Adjust eccentric 2 (screws 3).
24

Bottom feed lifting motion

Requirement:
Adjust eccentric 4 (screws 5).
20 PFAFF
When the longest stitch length is set and the needle bar is set 0.6 mm past
top dead centre (adjustment hole "1", Fig. 1) the bottom feed dog must not
make any driving motion when the reverse-feed lever is pressed.
When the stitch length is set at "0" and the needle bar is set 0.6 mm past
top dead centre (adjustment hole "1", Fig. 1) the bottom feed dog must be
at the top of its stroke (the cutout in eccentric 4, Fig. 3, is facing vertically
downwards).