Aohuada Manual Eyeglasses Lens Grinder Polisher Optometry Optical Hand Edge-grinder 110V

Name: Optical glasses lens hand grinding machine Voltage: 110v/60Hz Power: 120w Product size (L * W * H): 35.5 * 22 * 19 cm Packing size: 40*30*30cm Weight: 7kg The package includes: 1X optical glasses lens hand grinder Precautions: The machine should only be used for polishing and grinding. 1. To avoid injury do not touch the grinding wheel or the polishing wheel on the machine while operating the machine. 2. Do not use the machine if the power supply does not meet the requirements (voltage and frequency). You must be sure to use the details of the power supply. 3. Do not place the machine in a place exposed to high temperatures or direct sunlight. 4. If any liquid or substance gets inside the unit immediately turn off the switch and unplug the power cord. The machine cannot be operated again until the machine has been inspected and repaired. 5. Except for the original parts of the machine other parts cannot be assembled to the machine. 6. Do not overload the machine or hit any part of the machine. 7. If you are not using the machine for a while unplug the power cord. 8. During operation please keep the water level of the water tank and keep the surface of the grinding wheel moist.