Effective maintenance of Corrosion Resisting Self-Priming Centrifugal Pumps balances preventive, predictive, and reactive tasks to sustain performance and prevent unplanned outages. Daily checks include verifying suction line tightness, seal flush pressure, and priming chamber level; any loss of prime indicates leaking valves or clogged recirculation ports. Weekly inspections focus on vibration signatures and bearing temperature trends captured by wireless sensors; deviations often signal cavitation, impeller imbalance, or coupling misalignment. Monthly routines involve draining the priming chamber to remove settled solids that can score the corrosion resisting liner and reduce hydraulic efficiency. Seal life is extended by maintaining a clean, cool barrier fluid compatible with the pumped chemical; dual mechanical seals with Plan 53B pressurized systems are common in highly corrosive applications. Impeller wear rings constructed from non-galling alloys maintain tight clearances, preserving suction lift capability; when clearances double, flow and prime recovery times degrade significantly. Spare parts strategy should prioritize elastomers, seals, and gaskets because their degradation is accelerated by oxidizing chemicals even when the primary metallurgy remains intact. Condition monitoring software integrates vibration, temperature, and motor current data to predict remaining bearing life and schedule change-outs during planned shutdowns. Operators are trained to recognize early signs of corrosion such as discoloration, pitting, or loss of surface passivation; timely intervention prevents perforation of the casing. After each service, the pump is hydrostatically tested to rated pressure plus 10 % to verify integrity of welds and flange faces. Documenting every intervention in a computerized maintenance management system creates a reliability database that guides future design improvements and informs procurement decisions.