110V Optical Hand Edge Grinder Eyeglasses Lens Hand Edger w/Lens Grinding Wheel

110v optical hand edge grinder eyeglasses lens hand edger and polisher with lens grinding wheel optical hand stone precautions： the machine shall be used only for polishing and grinding. to avoid any injury, when the machine operates, please do not touch the grinding wheel or polishing wheel on the machine. please do not use the machine when the power supply can’t meet the requirements (voltage and frequency). you must make sure the details of the power supply your use. do not put the machine at any place with high temperature or direct sunshine. if any liquid or material enters the inside of the machine, please immediately turn off the switch and pull out the power plug. the machine can’t be operated again until it has been checked and repaired. except the original parts of the machine, other part can’t be assembled onto the machine. do not overload the machine, and do not impact any part of the machine. if the machine is not used for a period of time, please pull out the power plug. during the operation, please maintain the water level of water tank and keep the surface of grinding wheel moisture. part name: before using the machine, please pull out the drawer type water tank and take out the water pump of water supply system. fill the clean water to the highest water level of water tank and put back the water pump and close the drawer type water tank. before using the machine for the first time, please take out the sponge in the sponge is fully filled with water, put it back to the original position and start using it. after the machine is used for a period of time, please replace the dirty water in the water tank with clean water to avoid blocking the water pump. when the grinding wheel has been used for a period of time, grinding fatigue will appear (failing to grind in). in this case, use the oil stone stick to recondition the wheel. while this is being done, open the water valve. specifications and power supply: dimensions(l*w*h) 35.5*22*19cm net weight 7kg power requirement ac 100-120v//60hz,120w item included 1 set of 110v lens edger (153016) shipping & handling details default shipping cost or free shipping information: ▲ default shipping cost or free shipping service is only for the lower 48 united states by ups ground or usps. other areas or needs other shipping ways, please contact us. ▲ buyers from guam, puerto rico, virgin islands, american samoa, alaska, hawaii, po boxes, apo/fpo addresses or other countries/areas, there will be extra shipping costs, please contact us for more detailed information. ▲ please make sure your address is valid for both ups and usps services. any costs incurred because of incorrect or undeliverable address should be undertaken by buyer. handling time: shipping is usually made in 1-3 business days after payments cleared. orders are processed from monday-friday; not on the weekends & public holidays. sales tax / customs duties: any sales taxes or customs duties are not included. if came out, they must be undertaken by the buyer. sales tax of 8% will be applied for orders shipped within the state of california. damage in shipping: email or call us first! we will work with you to get the case resolved in the fastest method. return / refund if you are not 100% happy with your purchase, please contact us. please don't directly opened a request or case without informing us, or else, we will do some discounts on the warranty and other sales-services later on. hope for your understanding.