Soot blowers operate in some of the harshest environments in an industrial plant. They are subject to extreme temperatures, abrasive fly ash, and cyclical stress. Neglecting maintenance leads to:

While "daily work" isn't heavy overhaul, it is the most cost-effective maintenance. The manual outlines a 15-minute route per blower.

| Component | Manual Action | Rejection Criteria | | :--- | :--- | :--- | | Popper Valve | Listen for chattering during idle. | Continuous hissing indicates seat leakage. | | Carriage Drive | Inspect the rack and pinion for debris. | Missing grease or evidence of metallic shavings. | | Lance Tube | Look for steam weeping at the packing gland. | Any visible steam jet (not just vapor). | | Limit Switches | Verify cam follower bearings rotate freely. | Flat spots or seized bearings. |

The "Dry Cycle" Rule: The manual strictly forbids cycling a soot blower without steam pressure if the boiler is hot. Dry cycling can melt the packing rings due to radiant heat absorption. Always follow the manual’s instruction to purge with steam immediately upon cycling.

DANGER: Never use manual override while the boiler is under positive pressure or above 200°F externally. You risk severe burns.