Pfaff 1425 Instruction Manual page 43

Engaging the lifting motion
The lifting motion is engaged when parts 8 to 13 are fitted as shown in the upper mag-
nified view.
Disengaging the lifting motion
Take out screw 13 and swing part 10 to the right (screw 11).
Set the feed-dog teeth flush with the upper surface of the needle plate and fix shaft 7 in
this position by inserting screw 13 into hole 14.
When the lifting motion is engaged again, there is no need to adjust the bottom feed dog
height.
Adjustment
11 - 7