Adjustment
11 - 22
11.04.18 Shaft crank to feed wheel drive
Requirement
When the maximum stitch length is set, the linkage rod 3, or linkage rods 3 and 4 on the
models 471 and 491, must be able to move freely when the balance wheel is turned.
● Set the maximum stitch length.
● Twist or shift the shaft crank 1 (screw 2) according to the requirement.
Fig. 11 - 18
PFAFF 471
PFAFF 491
PFAFF 474
2
1
2
1
3
3
4