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15
Adjusting thread trimmer -900/24
.07
15
Pre-calibrating solenoid setting / control cam
.07 .01
Rule
1. When the solenoid 3 is completely extended, the roller lever 4 should be at the lowest
point of the control cam.
2. When the needle bar is positioned 1.8 mm after b.d.c. (needle rise position), the roller
lever 4 should engage in the corresponding control cam cutout.
Fig. 15 - 18
O Move the solenoid carrier 1 ( screws 2 ) according to rule 1.
O Turn the control cam 5 ( screws 6 ) according to rule 2.
4
5
6
1
Adjustment
4
3
2
25
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