Feeding Motion Of The Main Feed Dog And The Differential Feed Dog - Pfaff 3811-3/55 Instruction Manual

Adjustment
13

Feeding motion of the main feed dog and the differential feed dog

.05.06
● Slightly loosen screws 1 and 2 (4 screws).
● Bring needle bar to 0.8 before t.d.c. and adjust stitch length to "4".
● While moving roller 5 up and down continuously, turn eccentrics 6 and 7 so that the
● Tighten screws 1 and 2.
13 - 10
Requirement
When the stitch length is set at "4", the needle bar is positioned 0.8 before t.d.c.
(adjustment hole 4) and the adjustment gauge 8 is fitted, the main feed dog and the diffe-
rential feed dog should not move when roller 5 is operated.
3
4
1
54-055
Fig. 13 - 06
cutout is visible and the cranks 3 and 4 do not move.
5
2
1
6
3 4
8
5
7
54-031