Why is it critical to ensure a boiler is thoroughly cleaned before inspection?

Ensuring a boiler is thoroughly cleaned before inspection is essential because it allows for proper safety assessment. When a boiler is clean, the inspector can visually and physically examine all components without obstruction. This thorough examination is crucial for identifying any potential safety hazards, such as corrosion, leaks, or other issues that might not be immediately apparent if soot, scale, or debris is present. Proper maintenance and cleaning also ensure that safety devices and critical components are functioning correctly, enabling an accurate evaluation of the boiler's overall condition and safety readiness.

In addition, a clean boiler allows for checks on connections, valves, and safety measures without any impediment. This allows for compliance with safety standards and regulations, making it easier to ensure that the boiler operates safely and efficiently. By prioritizing cleanliness, operators help prevent accidents that could arise from unassessed or unnoticed problems within the boiler system.