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How to Perform a Gravity Table Cleanout

The cleanout process is an important feature of your Oliver Automation Gravity table. It allows you to make sure your equipment is free of any straggling product and ensures that your next batch is contaminant-free. While it’s a simple process, we understand that our user interface can be confusing for newcomers. So, we’ve put together this short tutorial to demonstrate how to properly perform a machine cleanout. If you’d like the visual version, head to our cleanout video here.

Before you begin your cleanout, you need to ensure that additional product is not discharging onto the deck from the feeder. Be sure to open the high side gates and rock trap as well if you haven’t already. It’s always a good idea to allow the machine to run for one minute before beginning a cleanout process. This unwedges residual product and makes the cleanout cycles more effective.

When you’re ready to begin, navigate to the Machine Recipes menu on your machine console HMI. From here, you can load any recipe that’s been created. In our example, we’ve selected our Soybean Cleanout recipe for Soybean product. You can scroll through the recipes list using the up and down arrow symbols. When the recipe you want to load is highlighted, press the Enter symbol. Then, confirm your selection by pressing Load on the right side of the menu.

After loading the cleanout recipe, you wish to use, return to the main menu. Press Clean Out on the bottom left side of the main menu to be taken to the Clean Out menu. Here, three cleanout steps are displayed along with their run times. From this menu, all you need to do is press HMI Button “Press to Start Clean Out.” And that’s pretty much it! The Cleanout screen will display how much time remains in an active step, and each step will start automatically as the previous step concludes. Keep in mind that after final step, the HMI will load the last recipe before you pressed the “Start Clean Out” button and completely stop the machine operation.

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