Reliable, heavy-duty industrial fans are a necessity to the demanding boiler industry, where unexpected downtime due to mechanical issues can cost thousands of dollars in lost production. Inefficient operation and mechanical defects can also negatively affect operating cost. For these reasons, quality control and test plans are frequently incorporated into the manufacturing process.
Over the years, wear, repurposing, and changes to processes may cause existing equipment to function less efficiently or less reliably than is acceptable. When this becomes apparent, a new set of inspections may be in order. Virtually all the tests available in a shop can be performed in the field. This article will define some of the available tests and when it might be beneficial to use them.