Nash Vacuum Pump Cl 3002 Maintenance Manual !!link!!

| Component | Typical Life (Continuous Duty) | |-----------|-------------------------------| | Mechanical seal faces | 12–18 months | | Bearing set (SKF or FAG) | 5 years | | Port plate | 3–5 years (longer with clean service liquid) | | Rotor (cast iron) | 8–10 years | | O-rings and gaskets | 2 years (replace at every overhaul) |

If your water is hard, lime deposits can bind the pump. Flush the unit with a suitable solvent at regular intervals if scaling is evident. 2. Preventive Maintenance Schedule Nash Vacuum Pump Cl 3002 Maintenance Manual

The pump operates on a simple principle: an offset rotor with blades rotates within a cylindrical body. Centrifugal force creates a liquid ring that forms a series of gas cells, compressing gas from inlet to discharge. | Component | Typical Life (Continuous Duty) |

operates by rotating a multi-blade rotor within a circular casing containing a liquid compressant (typically water). Preventive Maintenance Schedule The pump operates on a

to prevent leaks. Use packing pushers to press them evenly into the stuffing box. Lubrication