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14 7-Inch Disc Grinder Operator's Manual
OPERATION:
1. Always hold the handle and side handle of the POWER TOOL firmly. Otherwise
the counterforce produced may result in inaccurate and even dangerous
operation.
2. Grinding Pressure:
Since grinding by utiliing only the Disc Grinder's won weight is feasible, hold the
Disc Grinder so that it only slightly contacts the plane to be ground.
CAUTION: DO NOT PRESS THE DISC GRINDER FORCIBLY AGAINST THE
PLANE TO BE GROUND. HEAVY PRESSURE WILL REDUCE
THE REVOLVING SPEED AND SUCH DETERIORATE THE
FINISHED SURFACE, AND PHENOMENA AS OVERLOAD WILL
LEAD TO BURNING LOSS OF THE MOTOR.
Operation
8. Test the grinder before using:
Before actually beginning the grinding work, test the grinder by first clearing the
area of all other personnel. Make sure the wheel guard is in place and that you are
wearing eye protection. Turn the grinder “on”, and make sure the grinder runs
smoothly and shows no abnormalities.
Duration of the trial run is as follows:
When grinding wheel is replaced 3 minutes or more
When starting daily work 1 minute or more
9. Use only properly rated grinding wheels:
Use only grinding wheels rated at 6600 RPM or more.
Using a grinding wheel rated less can lead to wheel disintegration during operation
and serious bodily injury.
10. Check the spindle lock:
Make sure that the lock button is disengaged by pushing lock button two or three
times before turning on the grinder.
11. Switch Operation:
This enables the grinder always to be controlled with the hand gripping the
machine for maximum safety during grinding operations.
INTERMITTENT USE:
Switch ON: Press the switch lever
Switch OFF: Release the switch lever.
CONTINUOUS USE:
Switch ON: Press the switch lever. The switch is locked by pulling the
lock button.
Switch OFF: Press and release the switch lever.
PRE-OPERATION (CONTINUED):