92 HyPrecision 50S/60S/75S Operator Manual 808690
5 – Preventive maintenance
Preventive maintenance
4. Pour the water out of the filter housings.
5. Remove the used filter cartridges from the filter housings.
6. Put a new 0.45-micron filter cartridge in the housing with the plug at the bottom and the gray rubber gasket
at the top.
7. Put a new filter cartridge in the 1-micron filter housing and the 10-micron filter housing.
The 1-micron and the 10-micron filters do not have a designated top or bottom.
8. Install the filters and the housings with the 10-micron water filter nearest to the water valve.
9. Discard the used parts.
10. Use a filter wrench to tighten each of the filter housings.
11 . Close the water valve.
12. Turn ON the water to the pump.
13. Turn ON the pump in cooling mode.
Water valve in the closed position
1 10-micron water filter
2 1-micron water filter
3 0.45-micron water filter