Puller
48 Service Instructions 171/173 - 00.0 - 01/2020
11 Puller
11.1 Adjusting the synchronization of bottom feed and puller
Fig. 37: Adjusting the synchronization of bottom feed and puller (1)
Proper setting
Bottom feed and puller operate in sync.
The movement of the carrier roller must NOT end before the movement
of the feed dog. This will keep the sewing material under tension and
prevent ruffing at seam beginning.
Adjusting synchronization
To adjust the synchronization of bottom feed and puller:
1. Disassemble the winder lid.
2. Loosen the screws of the eccentric (2) until the eccentric (2) can be
turned on the arm shaft with minimal force.
3. Insert a screw driver into the slot (3) of the eccentric.
CAUTION
Risk of injury from moving parts!
Crushing possible.
Switch off the machine before adjusting the puller.
(1) - Pull rod
(2) - Eccentric
(3) - Slot
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