Pfaff 1246 - Manual (Page 70)

Adjustment
11 - 30
11. 05.11 Thread-catcher height
(On Model 1246 make these adjustments on both thread catchers.)
Requirement
When thread catcher 2 is pushed forwards manually with the take-up lever at its TDC, the
lower point of the thread catcher must pass
1 mm over the back of hook 4.
Fig. 11 - 26
● Loosen screw 1 enough so that thread catcher 2 can be turned.
● Loosen the screws in retaining collar 3.
● Bring the take-up lever to its TDC by turning the handwheel.
● Move thread catcher
2 in accordance with the requirement.
● In this position, and taking care to ensure that retaining collar 3 is touching the shaft
bushing, tighten screws
3 of the retaining collar.
● Carry out a check in accordance with the requirement.
● Screw 1 remains loosened for the following adjustment.
3
4
2
1
0,1 mm
4
2