Brother International DA-9270 Instruction Manual - English - Page 23

q w e 9. STANDARD ADJUSTMENTS [For fixed needle guard] The needle guard prevents the needles from contacting the loopers in their forward travel. Position the needle guard as close to the needles as possible but make sure that it is clear of the needles. 1. Turn the pulley toward yourself until the needles come down to the lowest position. 2. Loosen lower set screw q at the end of the forward feed arm. 3. Adjust the clearance between needles w and needle guard e to anywhere from 0.2 to 0.3 mm by moving needle guard e. 4. After the adjustment, retighten set screw q securely. 0.2 - 0.3mm 9-5. Feed dog height adjustment 0.8mm q Adjust the height of feed dog q so it is 0.8 mm above the top of the needle plate when feed dog q is at the highest position. Adjust the height of feed dog q by turning feed bar eccentric shaft w. 0.8mm w Feed dog Needle plate DA-9270 18