Adjustment
13
.05
Adjusting the thread trimmer -900/61
13
.05.01
Preadjusting the control cam
Requirements
1. With the needle bar at BDC, the recess
3
must be pointing downwards vertically.
2. The control cam
1
must be touching the retaining collar
4
on the left.
1
2
4
3
13 - 23
Fig. 13 - 19
●
Position the needle bar at BDC.
●
Turn or move the control cam
1
(screws
2
) in accordance with the
requirements
.
Summary of Contents for 1421E1
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