4 - 22Adjustment (Main Unit) Side feed line adjustment1. Start test mode (refer to 4.4 "Test Mode" for test mode startup methods).2. After pressing and selecting , press , and after selecting "FORWARD AND REVERSE FEED,"press again until the needle moves to the left (base line) position and select "Feed line adjustment mode."3. Set up two pieces of broadcloth, one on top of the other, on the sewing machine, press to operate in "Sidefeed line adjustment mode" and check the shape of the horseshoe pattern.*Key point• The horseshoe pattern should be oriented almost perfectly to the side• The length of the upper side of the horseshoe pattern should be 26-31 mm.4. When the feed dog lateral position is center, adjust the set screw collar in the feed module so that the verticaladjusting screw is almost perfectly vertical when viewed from the rear of the sewing machine.5. Adjust the up and down gap on the right side of the horseshoe to 4 - 6 mm using or .6. Adjust the difference in length between the top and the bottom to less than 1 mm using or .6Material drift correction value Left and right length correction valueFig.A Fig.BVerticalThe bottomFig.C Positive correctionNegative correctionFig.D Less than 1mmNegative correction Positive correction
