Pfaff Coverlock 4872 Service Manual page 15

Setting:
G If not set correctly, the screws of the eccentrics, of the retaining collar and of the counterweight will be
loosened.
G The parts must be set accordingly and the screws must be retightened.
Position and function of the eccentrics
1. Drive eccentric for the needle bar movement
2. Retaining collar for the main shaft
3. Drive eccentric for the feeding movement
4. Drive eccentric for upper overedge looper
5. Take-up-lever eccentric for the two thread chainstitch looper
6. Drive eccentric for the lower overedge and two thread chainstitch looper
7. Drive eccentric for the ellipsoidal movement
8. Drive eccentric for the stroke and blade movement
9. Counterweight
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