Pfaff 3811-3/55 Instruction Manual page 75

13 Lifting movement of the main feed dog
.06.08
Rule
When the needle bar is at t.d.c., Needle bar (adjustment hole 1) the cutout of the eccen-
trics 3 and 4 must point vertically downwards.
Fig. 13 - 08
 Loosen 2 screws 1.
 Move the needle bar to t.d.c.
 Turn the eccentric 2 according to the instructions and tighten screw 1 when it is
accessible.
 Make screws 1 accessible by turning the handwheel and tighten.
3
5
4
1
1
2
Adjustment
75