Brother International DA-9270 Instruction Manual - English - Page 25
Installing the lapper, 11. Puller height adjustment Machines with puller, 12. Puller timing
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9-10. Installing the lapper w AB 9. STANDARD ADJUSTMENTS Insert the lapper guide plate from the front into the oval slot in the forward feed arm cover, making sure that the end of lapper is clear of the presser foot. s Lapper adjustment Adjust felling distance of point A by loosing set screw q. After the adjustment, retighten set screw q. Adjust felling distance of point B by loosing set screws w. After the adjustment, retighten set screws w. q 9-11. Puller height adjustment (Machines with puller) Adjust the height of puller q so that it is 0.4 to 0.5 mm high from the top of the needle plate. Loosen set screw w, and move puller support e up or down until puller q is 0.4 to 0.5 mm above the top of the needle plate. After the adjustment, retighten set screw w. w e q 0.4 - 0.5mm 9-12. Puller timing adjustment (Machines with puller) Make an adjust so that, when the needle bar is down at the lowest position, the mark on timing collar q is in line with the reference line. Reference line 1. Turn the pulley toward yourself until the mark on timing collar q meets the reference line. 2. Loosen two set screws w, and turn the pulley toward yourself until the needle bar is lowered all the way down. 3. Retighten set screws w. w q DA-9270 20