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Adjustment
13
Readjusting the control cam
.07.10
13 - 30
Requirement
When the end of thread guard 1 is 2 mm behind the center of the projection of bobbin
case position stop 2, there should be a distance likewise of 2 mm between the tip of
thread catcher 6 and the center of the projection.
3
2
6
Fig. 13 - 29
Position the needle bar at BDC.
Actuate the engaging lever by hand.
Turn the handwheel until there is a distance of 2 mm between the end of thread guard 1
and the center of the projection of bobbin case position stop 2.
Turn control cam 3 (screws 4) according to the requirement and move against retaining
collar 5 until it stops.
4
4
1
5
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