Troubleshooting Challenge: Hydraulic System Overheats in Aluminum Recycling Plant (.PDF Download)

An aluminum recycling and smelting plant has a hydraulic feeder unit that pushes scrap aluminum into a smelting furnace. Once melted, the aluminum flows to other equipment that separates impurities and directs the relatively pure aluminum into large molds, where it solidifies as ingots. After the ingots have cooled, they are ready to be shipped to customers...

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