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Adjustment
34
1.07 Adjusting the thread trimming device -900/24
1
.0.01 Adjusting the solenoid / preliminary adjustment of the control cam
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.
● Adjust solenoid holder 1 (screws 2) in accordance with requirement 1.
● Adjust control cam 5 (screws 6) in accordance with requirement 2.
Fig. 1 - 29
4
5
6
1
2
3
4
2