Quarterly service - centrifugal pump (water, process, slurry)
Estimated duration: 1 - 2 hours • Frequency: every 3 months
Equipment Details
| # | Service Action | Type | Done | Notes |
|---|---|---|---|---|
| Bearings and Vibration | ||||
| 1 | Check bearing temperature (contact thermometer or infrared) | CHECK | ☐ | |
| 2 | Measure vibration (velocity mm/s at drive and non-drive end) | MEASURE | ☐ | |
| 3 | Lubricate bearings (grease gun, specified quantity) | GREASE | ☐ | |
| Seal and Leakage | ||||
| 4 | Inspect mechanical seal or packing gland (drip rate, leakage) | INSPECT | ☐ | |
| Operating Parameters | ||||
| 5 | Check suction pressure and discharge pressure (record readings) | CHECK | ☐ | |
| 6 | Check motor running amps (all 3 phases - record) | CHECK | ☐ | |
| 7 | Check for cavitation symptoms (noise, vibration, pressure drop) | CHECK | ☐ | |
| Alignment and Coupling | ||||
| 8 | Inspect coupling alignment (visual or laser) | INSPECT | ☐ | |
| Mechanical | ||||
| 9 | Inspect baseplate and foundation bolts (loose, cracked) | INSPECT | ☐ | |
| 10 | Inspect inlet strainer or suction screen | INSPECT | ☐ | |
| 11 | Check pipe supports and expansion joints | CHECK | ☐ | |
| Data Logging | ||||
| 12 | Log all operating data for trend analysis | CHECK | ☐ | |
Fluid Specifications (General Guide)
| System | Type / Grade | Approx. Capacity |
|---|---|---|
| Bearing grease | EP2 lithium complex | Per manufacturer spec |
| Mechanical seal flush | Clean water (if applicable) | As required |
Specifications are general guidelines for typical centrifugal pumps. Always refer to the manufacturer's service manual for your specific pump make and model. Grease quantity varies by bearing size.
Parts / Consumables Required
| # | Part / Consumable | Part Number | Qty | Ready |
|---|---|---|---|---|
| 1 | EP2 bearing grease | As spec. | ☐ | |
| 2 | Seal flush water supply (if applicable) | As req. | ☐ | |
| 3 | Rags and cleaning materials | - | ☐ |
Notes / Defects Identified
Next Service Due
Technician
Supervisor / Maintenance Manager