Timely hay equipment maintenance is key to preventing dangerous fires. Timely hay equipment maintenance is key to preventing dangerous fires. “The roller bearings inside the baler can easily become damaged due to wear and extended use.” Performing preventive measures, including daily maintenance during active use, can help producers keep their equipment in peak performance, reduce repairs and prevent equipment fires. “Using an infrared heat thermometer is a great tool to help monitor the temperature of your baler’s roller bearings,” says Johnson.