P23.3
Pump Maintenance Schedule
Procedure 37 of 40 · Chapter 23 · §23.2.1
1 table 0 notes
Table 1
| Task | Centrifugal | PD Pump | Gear Pump | Diaphragm Pump |
|---|---|---|---|---|
| Daily | Seal check; cavitation listen; pressure | Noise; flow verification | Noise; pressure | Air pressure; chamber leak |
| Weekly | Bearing temp.; coupling; strainer | Bearing temp.; coupling/belt | Bearing temp.; backlash feel | Diaphragm crack; valve inspect |
| Monthly | Impeller wear; alignment; NPSH | Rotor/stator wear; timing gear oil | Backlash; bushing wear | Diaphragm replace; valve service |
| Quarterly | Seal replace; impeller inspect.; flow | Seal/bushing; stator if wear >20% | Bearing/bushing replace; seal | Full rebuild; flow calibration |
| Annually | Overhaul: impeller; wear ring; align. | Overhaul: rotor/drive; perf. test | Overhaul: gear set; casing | Overhaul: drive; all elastomers |