Bobbin Winder - Pfaff 937 Instruction Manual

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11

Bobbin winder

.05.42
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. 11 - 44
Loosen screw 2.
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
Loosen screw 5.
Position pin 4 according to requirement 2 and tighten srew 5.
Move regulating pin 4 in accordance with requirement 2 and tighten screw 5.
1
3
2
5
4
Adjustment
11 - 46

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