The Relation Of The Hook Position And Upper Stop Position; Adjustment Of The Mechanical Home Position - Mitsubishi Electric PLK-G2008H Technical Manual

7-15. The relation of the hook position and upper stop position

The relation of the hook (bobbin case) position and upper stop plate (thread take up lever uppermost
position) is shown below.
The upper stop position (thread take up lever uppermost position) is the position where the bobbin case
holding spring knob (No.1) and holding spring release pin (No.2) are aligned as shown in the figure. (If the
bobbin removal lever (No.3) is pressed to the right in this state, the bobbin case will open.)

7-16. Adjustment of the mechanical home position

The mechanical home position is fixed at the center of the sewing area when the sewing machine is
shipped from the factory. However, it can be moved within the area covered with diagonal lines.
<1>: Original home position <2>: Adjustable area
- 41 -