Bh Lever Switch Position - Baby Lock Mid-Line Machines Technical Training Manual

Adjustment
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9. Start the test mode, and then select the #16 (Switch monitoring mode).
10. Turn the BH eccentric shaft left to stop the buzzer sound. (Fig.3)
11. Turn the BH eccentric shaft right to return it to the position starts
buzzer sound.
*Key point
• Buzzer sound starts when BH0 contacts with BH1. (Fig.4)
12. Raise the presser foot lever.
13. Check if continuous buzzer sound starts when the BH presser foot is fully pulled forward by hand. (Fig.5)
14. Check if continuous buzzer sound starts when the BH presser foot is fully pushed backward by hand. (Fig.6)
BH2
Presser foot lever

BH lever switch position

Deflect
BH0 BH1
BH eccentric shaft
Fig.3
Pi Pi Pi Pi...
Fig.5
4 - 29
55
Contact
BH2 BH0 BH1
......Pi Pi Pi
Fig.4
BH2 BH0 BH1
Fig.6
BH2 BH0 BH1
Pi Pi Pi Pi...