Pfaff 3704-2/03 - Preliminary Adjustment of the Control Cam

12 - 49
Adjustment
Fig. 12 - 48
81-049
4
1
2
3
12.06.02 Preliminary adjustment of the control cam
Requirement
1. In the needle rise position (hole 1) the roller lever 4 should lock into the corresponding
groove of the control cam.
2. The control cam 1 should be touching adjustment ring 3.
● Turn control cam 1 (screws 2) in accordance with requirement 1 and shift it in
accordance with requirement 2.