Adjustment
13
Adjusting the thread trimming device -900/24
.07
13
Adjusting the solenoid / preliminary adjustment of the control cam
.07.01
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34
Requirement
1.
When solenoid 3 is completely extended, roller lever 4 should be at the lowest point
of the control cam.
2.
When the needle bar is positioned at 1.8 mm after b.d.c. (needle rise position), roller
lever 4 should engage in the appropriate recess of the control cam.
Fig. 13 - 29
Adjust solenoid holder 1 (screws 2) in accordance with requirement 1.
Adjust control cam 5 (screws 6) in accordance with requirement 2.
4
5
6
89-025
3
1
4
2
2