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Precautions to be taken so as to use the TSN-421 and TSC-441 more safely
1. Keep your hands away from needle when you turn ON the power switch or while the
machine is in operation.
2. Donotputyourngersintothethreadtake-upcoverwhilethemachineis
operating.
3. Turn OFF the power switch when removing the belt cover or the V belt.
4. During operation, be careful not to allow your or any other person’s head, hands or
clothes to come close to the handwheel and the thread take-up. Also, do not place
anything close to them.
5. Donotoperateyourmachinewiththebeltcoverandngerguardremoved.
1. To ensure safety, never operate the machine with the ground wire for the power
supply removed.
2. When inserting/removing the power plug, the power switch has to be turned OFF in
advance.
3. In time of thunder and lightening, stop your work and disconnect the power plug
from the receptacle so as to ensure safety.
4. If the machine is suddenly moved from a cold place to a warm place, dew
condensation may be observed. In this case, turn ON the power to the machine
afteryouhaveconrmedthatthereisnodangerofwaterdropsinthemachine.
5. Topreventres,periodicallydrawoutthepowerplugfromtheplugsocketand
clean the root of the pins and the space between pins.
6. The hook rotates at a high speed while the machine is in operation.
To prevent possible injury to hands, be sure to keep your hands away from the
vicinity of the hook during operation. In addition, be sure to turn OFF the power to
the machine when replacing the bobbin.
7. To avoid possible accidents due to abrupt start of the machine, be sure to turn OFF
the power to the machine.
8. Be careful of handling this product so as not to pour water or oil, shock by
dropping, and the like since this product is a precision instrument.
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