Adjustment Wheels For Applying Fullness - Pfaff 937 Instruction Manual

Adjustment
11

Adjustment wheels for applying fullness

.05.11
11 - 13
Requirement
With guide pin 2 in the middle of the connecting link and the ends of the toothed racks 6
flush with each other, the zero markings on the adjustment wheels 5 must be at marking 4.
3
5
4
5
Fig. 11 - 12
Loosen screws 3.
Turn both adjustment wheels 5 until guide pin 2 is in the middle of the connecting link.
The ends of the two toothed racks 6 must be flush with each other.
Turn both scale rings in accordance with the requirement and tighten screws 3.
6
2