Centrifugal pump monthly inspection checklist

Pump — No abnormal noise (cavitation, grinding, knocking)

Pump and motor — Vibration at its usual level, by touch or with a vibration meter

Drive-end bearing — Bearing housing temperature, drive end

Non-drive-end bearing — Bearing housing temperature, non-drive end

Suction — Suction pressure within the normal operating range

Discharge — Discharge pressure within the normal operating range

Seal or gland — Leakage at the mechanical seal or packed gland

• No leakage (Conforming)
• Drips within the allowed rate (packed gland) (Conforming)
• Continuous leak or spray (Non-conforming)

Bearing lubrication — Oil level correct in the sight glass or oiler; grease applied as scheduled

Seal support system — Flush or quench lines intact and flowing, where fitted

Coupling guard — Coupling guard in place and secure

Baseplate — Holding-down and foot bolts tight, no cracked grout

Pipework — Any leak on flanges, valves or pipework?

Valves and gauges — Suction and discharge valves in their normal position, gauges readable

Motor — No burning smell; fan cover clean and unobstructed

Motor terminal box — Terminal box closed, cable glands tight, earth connection in place

Remarks — Observations for the next service