– 8 –
(3) Needle and feed timing
Vertical feed cam phase
(engraved marker line position)
0
±
1mm
Standard Adjustment
Models Other than DDL-9000B-SH DDL-9000B-SH
Vertical feed cam engraved marker line 0° +20°
Feed dial graduations 3 4
In a moment when the feed dog is positioned below the upper
surface of the throat plate, the upper end (lower end of the
throat plate for B-SH) of the needle hole shall be 0±1mm from
the upper plane of the throat plate.
Needle and feed timing
B-SHOther than B-SH
Needle and feed timing
Standard Adjustment