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16. Needle stop at highest position
Needle always stops at its highest position. This is controlled by sensor cam and sensor
located on main shaft.
Adjustment:
1. Raise needle to its highest position.
2. Loosen two screws (B1& B2) on collar (A) fixing sensor cam.
3. Turn collar (C) in either direction until needle stops at its highest position.
4. Check to see if take-up lever stops at the position for threading easy after adjustment.
5. If there is no problem, tighten two screws (B1 & B2) securely.
(Front View)
Sensor cam
B1 & B2
A