Brother International LK3-B434E MKII Instruction Manual - English - Page 47
Work clamp interchangeability, 10-10. Adjusting the needle up stop position, LK3-B434E Mark II
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10. STANDARD ADJUSTMENTS 10-9. Work clamp interchangeability e w B The BAS-311E work clamp can also be used with the B434E Mark ll. Replace the feed bar guide cover q with the feed bar guide cover assembly, LL w (optional). Then, change the installation position for the presser arm assembly e from the standard installation position A to installation position B. q A 10-10. Adjusting the needle up stop position The needle up stop position is adjusted so that the index mark w on the machine pulley q is inside the mark r on the belt cover e. If adjustment is necessary, loosen the screw t at the "U" mark of the machine pulley q and adjust the po- sition of the machine pulley q. The machine pulley q e stops later if it is turned clockwise, and it stops earlier if it is turned counterclockwise. NOTE: r The screw y at the "D" mark is an adjusting screw for the needle down detection function and is adjusted to q match the feed timing, so it should not be loosened. The screw u is a screw for detecting the machine stop position, and should not be loosened. w t * If the index mark w is not inside the mark r when y u the sewing machine is started, error code "E-50" will be displayed. Turn the machine pulley to move the index mark w to the correct position and then start the sewing machine. 41 LK3-B434E Mark II