Pfaff 1246 - Manual (Page 47)

Adjustment
11 - 7
11. 04.06 Lifting motion of the bottom feed-dog
This adjustment does not apply for machines without a bottom feed lifting phase (without P).
Requirement
1. With the needle bar at its BDC, the bottom feed dog must be at its TDC.
2. With the longest stitch set, the bottom feed dog must reach the top surface of the
needle plate at the same time as the needle point when the handwheel is turned.
● Bring the needle bar to its BDC.
● Turn feed lifting eccentric
1 (screws 2) in accordance with requirement 1.
● In this position, tighten the accessible screw 2 until feed lifting eccentric 1 can be turned
with difficulty.
● Turn feed lifting eccentric 1 a little further in accordance with requirement 2.
● Tighten both screws 2.
Fig. 11 - 06
2 1