Control Cam (Pre-Calibrating) - Pfaff 333-712/02 Adjustment Manual

13 Control cam
.05.08
Rule
If the end of the thread guard 2 is 2 mm behind the middle of the bobbin case position
finger 3 looking in the feeding direction, the clearance between the thread catcher tip 4
and the thread guard 2 should be approx. 4 mm.
3
4 mm
4
Fig. 13 - 18
O Move the needle bar to b.d.c. with the handwheel.
O Activate the field core 1 manually.
O Continue turning the handwheel (direction of rotation) until the end of the thread guard
2 is 2 mm behind the middle of the bobbin case position finger 3 looking in the feeding
direction.
O Check the rule and readjust the control cam accordingly if necessary, see chapter
13.05.01 Pre-calibrating control cam.
(pre-calibrating)
2
2 mm
1
Adjustment
23