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PS-800-12080 Active tension INSTRUCTION MANUAL CAUTION : This Instruction Manual provides instructions for the active tension. When you want to use your sewing machine with this product attached, refer to the “Safety precautions” in the In- struction Manual for your sewing machine carefully until you fully understand the included...
CONTENTS 1. List of parts ..........................1 2. Assembling the parts ......................3 3. Wiring (miscellaneous cover components of the sewing machine) ......... 5 4. Wiring (inside the electrical equipment rack) ..............6 5. Method for adjusting the AT ....................8 5-1.
1. List of parts WARNING : In order to prevent accidents caused by a sudden start of the sewing machine, the following proce- dure has to be carried out after turning OFF the power supply and air supply to the sewing machine. ①...
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③ ④ ⑤ ⑥ ⑨ ⑪ ⑦ ⑧ Part number Part name ③ 40172470 Thread tension controller (asm.) ④ 40243919 AT spring ⑤ SM6041402TP Bolt M4 L=14 ⑥ 40243045 AT SOL PCB asm. ⑦ 40243046 AT SOL cable asm. A ⑧...
2. Assembling the parts WARNING : In order to prevent accidents caused by a sudden start of the sewing machine, the following proce- dure has to be carried out after turning OFF the power supply and air supply to the sewing machine. 1) Loosen screw ❶...
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4) Secure AT solenoid asm ② in the mounting hole with screws ⑤ (two pieces). Mounting hole 5) Put a little amount of grease (white) sup- plied in the accessory bag on a piece of cloth. Then, apply a thin coat of the grease to the AT shaft, reseat spring and tension E retaining ring release pin with that cloth.
7) Pressing the retaining spring of the AT thread ❻ ❻ tension controller asm. against the end surface of the tension controller mounting hole, secure it with screw ❸ at a position where the stroke of the thread take-up spring becomes 4 to 5 mm. If you cannot press the retaining spring of the thread tension controller asm.
4) Pull AT solenoid cable ② into the electrical equipment rack through cable entrance of the rack. 4. Wiring (inside the electrical equipment rack) [Standard type and the laser type] ⑥ ⑥ ⑥ ⑥ ② ② ⑦ ⑦ LOOSE 1) Connect AT solenoid cable ② and AT SOL cable asm. A ⑦ to the AT SOL PCB asm. ⑥ in the elec- trical equipment rack.
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4) Put the cables together in the duct. Secure the PCB with cable clip band ⑬ . ⑬ ⑬ [ Rotary knife type ] ⑥ ⑥ ⑥ ⑥ ② ② ⑧ ⑧ LOOSE 5) Connect AT solenoid ② cable and AT SOL cable asm. B ⑧ to AT SOL PCB asm. ⑥ in the electrical equipment rack.
5. Method for adjusting the AT 5-1. Setting of the parameters 1) Press button A. 2) Press button B. In the default state, the password that has been factory-prepared at the time of delivery is provided. The factory-provided password is "11111111". 3) Press button C.
5-2. Adjusting the projection amount of the plunger 1) Press plunger ❶ of the solenoid into the so- lenoid. Measure projection amount ❷ of the plunger. ❶ ❶ ❷ ❷ 2) Loosen screw ❸ of the thread tension control- ler bracket. Adjust the longitudinal position of ❸...
6. Method for using the AT 6-1. Method for setting the AT thread tension 1) Select the sewing pattern thread tension for which you want to set. 2) Press presser foot/thread tension setting but- ton A. 3) The tension can be set by pressing default tension B.
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5) Press the reset button D on the main screen to return to the origin. 6) Press in the same way as in step 2) to en- ter the tension setting screen, and enter the tension setting value confirmed in step 3) into tension 1E.
6-2. Method for changing the thread tension during sewing 1) Set the thread tension in the entry field of "Thread tension 1" at a midpoint of the stitch- ing line at which you want to change the thread tension. Thread tension setting method in the case of the Change the picture shown on the left thread tension...
6-3. Method for deleting the changes in thread tension setting during sewing 1) If you press "Tension 1 button" A and "delete button" B, individual thread tension settings you have set in a sewing pattern will be totally deleted. 2) If you wan to delete the individual thread tension settings separately, move cross mark cursor ( ) to the target thread tension setting...