Precautions to be taken so as to use
1. To avoid electrical shock hazards, neither open the cover of the electrical box for
the motor nor touch the components mounted inside the electrical box.
1. To avoid personal injury, never operate the machine with any of the belt cover, fi n-
ger guard or safety devices removed.
2. To prevent possible personal injuries caused by being caught in the machine, keep
your fi ngers, head and clothes away from the handwheel, V belt and the motor while
the machine is operation. In addition, place nothing around them.
3. To avoid personal injury, never put your hand under the needle when you turn "ON"
the power switch or operate the machine.
4. To avoid personal injury, never put your fi ngers into the thread take-up cover while
the machine is in operation.
5. The hook rotates at a high speed while the machine is in operation. To prevent pos-
sible 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.
6. To avoid possible personal injuries, be careful not to allow your fi ngers in the ma-
chine when tiling/raising the machine head.
7. To avoid possible accidents because of abrupt start of the machine, turn OFF the
power to the machine when tilting the machine head or removing the belt cover and
the V belt.
8. If your machine is equipped with a servo-motor, the motor does not produce noise
while the machine is at rest. To avoid possible accidents due to abrupt start of the
machine, be sure to turn OFF the power to the machine.
9. To avoid electrical shock hazards, never operate the sewing machine with the
ground wire for the power supply removed.
10. To prevent possible accidents because of electric shock or damaged electrical com-
ponent(s), turn OFF the power switch in prior to the connection/disconnection of
the power plug.
11. Be careful of handling this product so as not to pour water or oil, shock by drop-
ping, and the like since this product is a precision instrument.
In addition, be aware that the safety devices such as the "eye protection cover" and "fi nger
guard" are sometimes omitted in the sketches, illustrations and fi gures included in the Instruction
Manual for the explanation's sake. In the practical use, never remove those safety devices.
the DLU-5490N Series more safely
CAUTION
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