M A I N T E N A N C E W O R K
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5. Connect wastewater hose.
6. Open wastewater valve.
The tank drains.
7. When the tank is empty: Shut wastewater
valve.
8. Clean tank with a cloth.
9. Fill tank with fresh water.
10. Fill tank completely until filler valve/float
floats.
11. Add approx. 2.5 liters of coolant and mix
well.
12. Remove refractometer and pipette from
the drawer.
13. Suck up a few drops of coolant/lubricant
with the pipette.
14. Apply coolant/lubricant from the pipette
onto the measuring surface of the refrac-
tometer.
