Brother International TU-878A Hand Book - English - Page 1

SU-877A SU-877B TU-878A TU-878B Single Needle Unison Feed Lock Stitcher with Large Hook Single Needle Unison Feed Lock Stitcher with Large Hook and Thread Trimmer Twin Needle Unison Feed Lock Stitcher with Large Hook Twin Needle Unison Feed Lock Stitcher with Large Hook and Thread Trimmer SU-877 TU-878 - A Thread trimmer Quick reverse B Solenoid Solenoid Specifications 005 305 Specifications Specification Application No. of needles Max. sewing speed Max. stitch length Height of Presser bar lifter presser foot Knee lifter Height of feed dog Hook Needle Standard needle gauge 877A 005 DP × 17 #23 877B 878A 878B 305 005 305 Medium, heavy, and extra heavy materials 1 3,000 rpm 8 mm 2 2,500 rpm 11 mm 16 mm 1 mm Double horizontal rotary hook (vertical axis) DP × 17 #22 DP × 17 DP × 17 #23 #22 3.2mm (1/8), 4.8 mm (3/16), 6.4 mm (1/4), 9.5 mm (3/8), 12.7 mm (1/2), 15.9 mm (5/8), 25.4 mm (1) Sewing speed table Walking foot movement amount Less than 3.5 mm Sewing speed 877A, 877B 878A, 878B 3,000 rpm 2,500 rpm 3.5 - 5.5 mm 2,000 rpm *Set the sewing speed to the value which is equal to or less than the value shown in the table in accordance with the walking foot movement amount setting. Furthermore, if sewing with a stitch length of 6 mm or more, set the sewing speed to 2,000 rpm or less. 2002.11 SU-877A, 877B, TU-878A, 878B 1/7