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4. Make sure that the switch is off.
If you plug in the power cord without realizing that the switch is on, the machine will start, and may
cause an accident.
When the switch lever (see “Part names”) is tilted toward the ON label, the machine is turned on.
When it is tilted toward the OFF label, the machine is turned off.
Make sure the switch lever is tilted toward the OFF label before plugging in the cord.
5. Checking the outlet
When the plug of the power cord is inserted into the outletand is loose or is easily pulled out, the
outlet should be replaced. For such task, consult your electrician.
If the outlet is used continuously, it may overheat and cause accidents.
6. Making test runs
CAUTION
• Before turning the switch ON, make sure that the rotating parts are nottouching anything. If the
switch is turned on while they are in contact with anything else, the wheel may break and it may
cause injuries.
• When a new wheel is attached and the switch is first turned on, keep your body well away
from the exposed sides of the wheel for a moment until the machine reaches full speed.
It is very dangerous to perform grinding operations using cracked or chipped wheels.
Before starting grinding operations, keep the wheel away from anyone nearby. Be sure to make a few
test runs, to check whether there are any abnormalities.
Test run duration:
When replacing a wheel...........................At least 3 minutes
When starting operations each day..........At least 1 minute
16
How to operate
WARNING
• When grinding operations are interrupted to replace a wheel
or when you are through with a particular operation, be sure
to turn off the switch.
• During operation, be sure to wear safety glasses.
• If water gets in the motor, it may shock the operator or
damage the machine. When halting an operation or replacing a wheel, put the machine in a
safe place where water will not be splashed on it.
• When checking the grinding condition, the rotation of wheel or the position of the wheel
during operation, be sure to look through the observation port. (see fig. - 11)
Remove the plug
from the outlet.