During maintenance, which part of the boiler is crucial to inspect for leaks?

Inspecting the boiler tubes for leaks during maintenance is crucial, as these tubes are essential for the heat exchange process in the boiler. They carry water or steam and are subjected to high temperatures and pressures, making them prone to wear, corrosion, and fatigue over time. A leak in the boiler tubes can lead to water loss, reduced efficiency, overheating, and even catastrophic failures if not addressed promptly. Detecting leaks in this part of the boiler helps ensure safe and efficient operation, as the integrity of the boiler's heat exchange process directly affects its performance and safety.

While other components such as the blowdown valves, pressure gauges, and feedwater pump are important in maintaining overall boiler functionality, leaks in the boiler tubes represent a more immediate risk to the boiler's structural integrity and operational efficiency. Therefore, focusing on the boiler tubes during maintenance inspections is vital to prevent significant operational issues.