Preventive Maintenance
- Check and Clean the Dewar
- Clean the Analyzer
- Lubricate the Elevator Drive Assembly
- Replace the Psat Tube O-ring
- Replace the Sample Tube O-ring
Perform the following preventive maintenance procedures to keep the analyzer operating at peak performance. Micromeritics also recommends that preventive maintenance procedures and calibration be performed by a Micromeritics Service Representative every 12 months.
Maintenance Required | Frequency |
---|---|
Clean the analyzer | As required or every 6 months |
Lubricate elevator screw | As required or every 6 months. Use a light coat of lithium grease. |
Check analysis port dewar | Weekly |
Replace sample tube O-ring | As required or every 3 months |
Replace port filters | Every 30 days |
Replace vacuum pump exhaust filter* | Annually (heavy use may require more frequent maintenance) |
Inspect and change vacuum pump fluid* | As required or every 3 months |
Replace alumina in oil vapor traps* (if installed) | As required or every 3 months |
Replace diaphragm(s) in vacuum pump |
Every 12 months |
Calibrate manifold temperature sensor | Every 12 months |
Calibrate system volume | Every 12 months |
Check analyzer outgassing rate | Every 6 months |
Test analyzer for leaks | As required or every 12 months |
Perform reference material analysis | As required or every 3 months |
* | Oil-based vacuum pumps only. |
** | After about 12 to 18 months of operation, the diaphragm(s) in the pump will wear out and become completely inoperable. To prevent any instrument downtime due to an inoperable pump, it is recommended that you have the diaphragm(s) replaced by a Micromeritics Service Representative every 12 months. |
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