Just as properly functioning steam traps contribute to the efficient operation of a steam system, malfunctioning traps can result in lost steam, lost heat andespeciallylost dollars. Guidelines for Steam Trap Troubleshooting and Testing outlines the need for establishing a preventive maintenance program, and then it details what to look and listen for in testing. This tape recommends a step-by-step approach plant energy technicians can take to steam trap testing and problem solving. It emphasizes the use of both sight and hearing in gathering information, and the application of training and experience to evaluate the results.