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Hersteller: Kaezer
Dateigröße: 6.34 mb
Dateiname: Kaezer_772.pdf
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Anleitung Zusammenfassung
Take care not to rotate the machine in the opposite direction. 2. Never start the machine before filling the machine base with lubricating oil. 3. Remove the bobbin case and the needle thread from the machine before performing the trial operation. 4. Clean up the sewing hook and the bobbin thread trimmer every day after sewing work. Also check the level of the lubricating oil. 5. Never bring your fingers or hair close to, or place anything on the handwheel, V-belt, bobbin winder wheel or motor during operation. It may lead to serious personal injuries. 6. If your machine is provided with a belt cover, finger guard and eye guard, never operate your machine with any of them removed. 1. MOTOR PULLEY AND V BELT 1. Motors of 300W, 4-pole are used for single-phase or three-phase operation. (If a 250W motor has to be used, operate the machine at 3,100 s.p.m. or less.) 2. M-type V belts are used. 3. Refer to the following table for the motor pulleys, V belt length, and sewing speed. Sewing speed Frequency Motor pulley Part No. High speed V belt Low speed V belt 3,600 s.p.m. 5011?. B726 2-781-000A 45 inch 42 inch 60Hz B7263-781-OOOA 43 inch 41 inch 3,300 s.p.m. 50Hz B7256-781-000A 44 inch 42 inch 60Hz B7257-781-000A 43 inch 42 inch 3,000 s.p.m. 50Hz B7253-781-OOOA 44 inch 42 inch 60Hz B7254-781-000A 42 inch 41 inch 2,800 s.p.m. 50 Hz B7258-781-000A 43 inch 42 inch 60Hz B7259-781-000A 41 inch 41 inch (V belt Part No.: MTJ-VM00OD00, V belt length) * How to install motor pulley Place motor pulley O 'nt0 the motor shaft so that flat part © of the motor shaft aligns with first setscrew ©. Then securely tighten setscrews © and 0 * How to install V belt . 1. Mount high-speed V belt O on accelerating pulley © and the large diameters of the motor pulley. 2. Mount low-speed V belt © on low-speed pulley © and the small diameters of the motor pulley. 3. By moving the motor from side to side, adjust the tension of V belts O and © so that they Sive an approx. 10 mm slack when their middle portions are pushed lightly by hand. 4. Move the motor pulley back and forth to align V belts O and ©. 29. stitching PûR reasons Trouble Cause Remedy Page 1. Starting pedal does not work. (The work clamp arm is not lifted up fully.) ( 1 ) Needle plate, needle plate base or bobbin thread trimmer is clogged with fibrous dust. (2) The needle thread trimmer is interfered by the work clamp check or the trimmer driving plate. o Tilt the machine head and clean them up. o Readjust the installation of the trimmer, or the position of the trimmer driving plate. 8 2. Machine does not reach the high speed even when the pedal is stepped down fully. ( 1 ) The hand stop crank is not in the correct position. (2) The belt shifter of the speed transmitter has not changed to the high speed pulley. o Correct the position of the hand stop crank. o Lubricate the shifter driving pin. 4 3. A loud noise is produced with a stop-motion, or sewing speed does not lower at the end of sewing. (1) Improper setting of the low speed cam for small numbers of stitches. (2) The flat belt is too loose. (3) The low speed V belt is too loose. o Readjust the setting of the low speed cam. o Increase the belt tension by the tension pulley. o Increase the tension of the V belt by the motor. 6 2 1 4. Stop-motion is not smooth. ( 1 ) Stop-motion lever needs lubrication. (2) The belt shifter of the speed transmitter has not changed to the low speed pulley. o Lubricate the stop-motion lever. O Readjust the position of the belt shifter. 3 7 5. The machine does not lubricate. ( 1 ) Oil level in the oil reservoir is too low. (2) Oil is not circulated. o Fill the lubricating oil up to “HIGH” mark. o Apply oil to the oil return felts. 3 3 6. Knife is dropped during high speed rotation. (1) Position of the knife tripping segment is not correct. (2) The setting of the low speed cam for numbers of stitches is not correct. o Adjust the position of the driving cam so that the knife is dropped down at a delayed timing. o Correct the setting of the low speed cam. 8 6 7. Knife is dropped even if the needle thread is broken. (1) The machine is threaded incorrectly. o Correct the threading. 4 8. Needle is broken. (1) The needle is bent. (2) The needle and the hook blade touch with each other. (3) Needle thread trimmer hits the needle when opening its blades. o Replace the needle, o Readjust the positions of the needle and the sewing hook. 0 Readjust the position of the trimmer, o Adjust so that the limiting plate and the blocking arm touch each other at the time of starting. 3 7 8 8 SO. SPECIFICATIONS TK-888 TK888-1 TK888-2 TK888-3 Application Buttonholing for ordinary cloth, knit, etc. Sewing speed Max. 3,600 s.p.m. Buttonhole length 6.4~ 19.0 mm (1/4"-3/4") 6.4 — 25.4 mm ( 1 /4" — l") 6.4 — 31.7 mm (1/4" - 1-1/4") 12.7 — 38.0 mm (1/2" - 1-1/2") Bar-tack width 2.5 — 4.0 mm (3/32"-5/32") 2.5 -5.0 mm (3/32"-3/1 6”) Needle DP x 5J #11- #14 Presser lif...