Pfaff 937

Adjustment
24V = 4% ED
4
-
49
11.06.06 Engaging lever
Requirement
With the needle bar at tdc and the thread trimmer in resting position, there must be a
clearance of 0.3 to 0.5 mm between the roller of roller lever 1 and the external diameter of
control cam 2.
Fig. 11 - 50
0.3 - 0.5 mm
1
2
3
4
● Loosen nut 4.
● Turn screw 3 in accordance with the requirement.
● Tighten nut 4.
11 - 52