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6 ► HG80 User Manual
GRINDING WHEEL SAFETY
• Ensure that the grinding wheel is correctly mounted
and tightened before use.
• Operate the grinder at “no load” for 30 seconds in
a safe position and ensure there is no vibration or
other defects detected. If considerable vibration or
other defects are detected, stop operation of the tool
immediately and determine the cause. Do not use
the tool until the defect is corrected.
• If the grinder is dropped with an abrasive wheel
installed, the abrasive wheel should be examined
thoroughly before use.
• Only use abrasive wheels that comply with ANSI
B7.1/ISO 525, 603.
• Check that the maximum rpm operating speed of
the abrasive wheel is equal to or greater than the
rated shaft speed of the grinder.
• Ensure that the grinding wheel dimensions are com-
patible with the grinder and that the grinding wheel
ts the shaft.
• Ensure that the thread type and size of the grinding
wheel exactly matches the thread type and size of
the shaft.
SAFETY PRECAUTIONS