Pfaff 3801-3/07 - Lifting Motion of Main- and Differential Feed Dogs

Adjustment
13 - 9
Fig. 13 - 07
1
2
4
3
3
4
1
13.05.07 Lifting motion of main- and differential feed dogs
Requirement
With the needle bar at t.d.c. (hole 1) the cutouts of eccentrics 3 and 4 must face vertically
downwards.
● Loosen screws 1 and 2 (four screws).
● Set needle bar at t.d.c.
● Turn eccentrics 3 and 4 according to Requirement and fully tighten the accessible screws
1 and 2.
● Turn balance wheel to make the remaining screws 1 and 2 access-ible and fully tighten
them.