Instruction Manual - English
Page 8
...motor (4-pole, 550W) Microprocessor -403 3,000 rpm -405 250-1,800 rpm 1,000 rpm 7 mm 7 mm 13 mm 1 mm #11-#16 #14-#22 AC servo motor (4-pole, 550W) Microprocessor T-8421A, 8422A, 8452A, 8722A, 8752A 2 sewing speed Start backtacking and continuous backtacking speed End... stitch length Presser foot Lifting lever height Knee lifter Feed dog height Needle (DP×5) Motor Control circuit T-8722A, 8752A Max. sewing speed Start backtacking and continuous backtacking speed End backtacking speed Max. sewing speed Start backtacking and continuous backtacking speed...
...motor (4-pole, 550W) Microprocessor -403 3,000 rpm -405 250-1,800 rpm 1,000 rpm 7 mm 7 mm 13 mm 1 mm #11-#16 #14-#22 AC servo motor (4-pole, 550W) Microprocessor T-8421A, 8422A, 8452A, 8722A, 8752A 2 sewing speed Start backtacking and continuous backtacking speed End... stitch length Presser foot Lifting lever height Knee lifter Feed dog height Needle (DP×5) Motor Control circuit T-8722A, 8752A Max. sewing speed Start backtacking and continuous backtacking speed End backtacking speed Max. sewing speed Start backtacking and continuous backtacking speed...
Instruction Manual - English
Page 28
PREPARATION BEFORE SEWING If the tension discs are opened as follows, the thread will become easier to p.37) 4. Center Pass the thread through . Do not pass the thread through . (Refer to thread. Press the tension release plate (2). T-8421A, 8422A, 8452A, 8722A, 8752A 2905M 22 Press the tension release plate (2), or operate the lifting lever or the knee lifter to raise the presser foot. Pass the thread on the inside of the tab (3). The thread can be passed securely in between the tension discs.
PREPARATION BEFORE SEWING If the tension discs are opened as follows, the thread will become easier to p.37) 4. Center Pass the thread through . Do not pass the thread through . (Refer to thread. Press the tension release plate (2). T-8421A, 8422A, 8452A, 8722A, 8752A 2905M 22 Press the tension release plate (2), or operate the lifting lever or the knee lifter to raise the presser foot. Pass the thread on the inside of the tab (3). The thread can be passed securely in between the tension discs.
Instruction Manual - English
Page 43
... -up amount is not enough, such as looping, or thread breakages 37 T-8421A, 8422A, 8452A, 8722A, 8752A For all models except foundation specifications and T-8452A-405 Do not pass the thread through the thread amount adjuster (1): ・ When sewing with slippery threads such as ...(2) is moved to the right-side position. Do not pass the thread through the thread amount adjuster (1). For foundation specifications and T-8452A-405 Pass the thread through the thread amount adjuster (1). THREAD TENSION 8-4. Loosen the screw (2) and slide the thread amount adjuster (1) to the...
... -up amount is not enough, such as looping, or thread breakages 37 T-8421A, 8422A, 8452A, 8722A, 8752A For all models except foundation specifications and T-8452A-405 Do not pass the thread through the thread amount adjuster (1): ・ When sewing with slippery threads such as ...(2) is moved to the right-side position. Do not pass the thread through the thread amount adjuster (1). For foundation specifications and T-8452A-405 Pass the thread through the thread amount adjuster (1). THREAD TENSION 8-4. Loosen the screw (2) and slide the thread amount adjuster (1) to the...
Parts Manual - English
Page 41
T . / Thread wiper mechanism 13 12 5 10 9 8 11 15 7 1 6 2 4 3 14 27 23 19 26 25 30 22 24 18 37 28 17 16 20 21 26 25 29 30 18 29 T-8752A-405
T . / Thread wiper mechanism 13 12 5 10 9 8 11 15 7 1 6 2 4 3 14 27 23 19 26 25 30 22 24 18 37 28 17 16 20 21 26 25 29 30 18 29 T-8752A-405