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1 wheel installation should be checked to see whether the cracks, grinding wheel with a wooden hammer percussion to hear whether or not normal voiceless, the wheel can not be used if there is, in order to avoid the Grinding Wheel rupture and cause wounding consequences. 2 newly installed, or every other day using a grinding wheel, re-use should be idle for more than one minute, if everything is normal, the grinding machinery safety procedures. Brittle and fragile grinding wheel, do not let by the impact, collision, and not to fall. Keep cool and ventilated storage should be cold and dampness, indoor, placed flat and stacked neatly against dust, keep the unused wheel clean, not the weight. 4 wheel installation, you must find the positive wheel center, and at the same time should be mounted on the flange after test the Wheel Cylindrical whether spindle concentric flange fastening, grinding wheel at least one side of the vertical centerline spindle. Install wheel, for safety's sake, do not must be installed properly qualified protective cover, and then start the machine.