Bobbin Winder - Pfaff 918 U Instruction Manual

Adjustment
12

Bobbin winder

.05.29
12 - 31
Requirement
1. With the bobbin winder engaged the bobbin winder spindle must be turned reliably,
but friction wheel 3 must not touch drive wheel 1 when the bobbin winder is
switched off.
2. The bobbin winder must disengage automatically when the thread is approx. 1 mm from
the edge of the bobbin.
Fig. 12 - 30
Position drive wheel 1 in accordance with requirement 1 and tighten screw 2.
Place a bobbin onto the bobbin winder, thread the bobbin and engage the bobbin winder
Move regulating pin 3 in accordance with requirement 2 and tighten screw 4.
1
3
2
5
4