ENGLISH
iii
FOR SAFE OPERATION
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 while the power
switch is ON.
1. So as to avoid personal injuries, never operate the machine with the safety devices such
as the belt cover and the eye-guard cover removed.
2. So as to avoid personal injuries caused by being caught in the machine, during
operation, be careful not to allow your or any other person’s head, hands or clothes to
come close to the handwheel, V-belt or motor. Also, do not place anything close to them.
3. So as to avoid injuries to ngers and hands, be careful not to allow your or any other
person’s ngers to come close to the cloth cutting knife or the needle when turning ON
the power or during operation.
4. So as to avoid injuries to ngers and hands, do not place the ngers inside the eye-
guard cover.
5. So as to avoid personal injuries caused by abrupt start of the machine, turn OFF the
power switch and ascertain that the sewing machine does not run even if the starting
pedal is depressed when removing belt cover, motor pulley or V-belt.
6. So as to avoid personal injuries caused by abrupt start of the machine, turn OFF the
power switch and ascertain that the sewing machine does not run even if the starting
pedal is depressed when performing such works as inspection or adjustment of the
sewing machine, cleaning, threading, replacing the needle, etc.
7. So as to avoid electrical shock hazards, do not operate the machine with the power
supply earth wire removed.
8. So as to avoid electrical shock hazards and accidents caused by damaged electrical
components, be sure to turn OFF the power switch before inserting/detaching the power
plug.
9. So as to avoid personal injuries caused by abrupt start of the machine, turn OFF the
power switch when leaving the sewing machine table.
10. So as to avoid personal injuries caused by abrupt start of the machine, turn OFF the
power switch when the electricity fails.
11. So as to avoid personal injuries caused by being caught in the machine, the motor
pulley should be attached with the pulley cover as well as the catching protection pin.
12. When changing the set value described in the functions for maintenance (attached
with * mark) on the function setting list in this Instruction Manual for SC-510, be sure
to purchase the Engineer’s Manual and perform the work after fully understanding the
contents.
If the set valve is carelessly changed, it is in danger of causing the machine to be broken
or the performance to be deteriorated. So, be careful.
13. 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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