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

Adjustment
13 - 8
3
4
1
Fig. 13 - 06
3
4
6
7
1
2
54-031
5
8
13.05.06 Feeding motion of main- and differential feed dogs
Requirement
With the longest stitch length set, the needle bar in position 0.8 before t.d.c. (hole 4)
and adjustment gauge 8 fitted, the main- and differential feed dogs must not move when
lever 5 is operated.
● Loosen screws 1 and 2 (four screws) just a little.
● Set needle bar at 0.8 before t.d.c. and set the longest stitch.
● Continously move lever 5 up and down and turn eccentrics 6 and 7 so that the coutout
is visible and cranks 3 and 4 do not move.
● Fully tighten screws 1 and 2.