Description
The 8274 - 4 planetary floor grinder is a unique gem in the market. It runs at a 230V - level performance while operating on 115V, offering a powerful 3 HP. With variable speed and a soft - start feature to manage its amperage draw, it easily adapts to both small and large jobs. Ideal for removing thin - set, coatings, and adhesives, it's also great for prepping concrete for overlays or coatings and for polishing. It has a width of 20', a disk size of 18.5', a max height of 52', a min height of 27.5', a max length of 75', and a min length of 38.5'. It weighs 388 lb, has a drum RPM of 133.8, and a motor RPM ranging from 400 - 2000. The single - phase motor provides 3 HP, and the amps can be set to 15 or 20 via the controller. It operates at 115V with a frequency of 60 Hz. National Flooring Equipment backs this grinder with a one - year warranty, covering repair or replacement at our Minneapolis, MN facility or a certified warranty location, including freight costs for qualified repairs.
Using the 8274 - 4 grinder is easy. First, make sure to set the correct voltage and amperage according to your job requirements. You can switch between 15 or 20 amps using the controller. Adjust the variable speed to match the size of the job. For small jobs, a lower speed might be enough, while large jobs may need a higher speed. When starting the machine, use the soft - start feature to control the power draw. This grinder is great for removing thin - set, coatings, and adhesives, as well as prepping concrete and polishing. When it comes to maintenance, keep it clean after each use. Check the drum and motor regularly for any signs of wear. If there are any issues, refer to the 8274 - 4 Grinder Service Manual and 8274 - 4 Grinder Operating Manual. Remember, National Flooring Equipment offers a one - year warranty, so if you have any problems, you can get it repaired or replaced at the specified locations.
