VHF N4+ Originalbetriebsanleitung Seite 31

N4+ – Operation: Preparing jobs
F . 34 L
IG IFTING THE COVER OFF THE COOLING LIQUID TANK
7. Use the recessed surfaces at the sides of the strainer
basket to pull it upwards.
F . 35 R
IG EMOVING THE STRAINER BASKET
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MARKED BLUE
8. Tap out the strainer basket into the collecting con-
tainer. You can use water or compressed air to fur-
ther clean the strainer basket.
The strainer basket is completely void of machining
residues.
9. If there is cooling liquid in the tank:
a. Pour the cooling liquid into the collecting
container.
10. Rinse the filter in the cooling liquid tank under run-
ning water.
If necessary, you can disassemble the
cooling liquid filter to clean it thoroughly.
Operation: Preparing jobs – on page 28

11. Thoroughly clean the tank with the cleaning brush.
Pour the cleaning water into the collecting con-
tainer.
12. If you have used a cleaning agent, ensure that no
residues of it remain in the cooling liquid tank.
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RECESSED SURFACES
Original Operating Instructions: N4+
Version: 12/16/2021
The cooling liquid tank is completely void of liquid,
machining and cleaning agent residues.
13. Insert the strainer basket into the tank cover and
put the cover onto the tank.
14. Remove dirt and foreign bodies from the coupling
of the cooling liquid tank.
F . 36 T
IG HE COUPLING OF THE COOLING LIQUID TANK
)
BLUE
15. Fill the cooling liquid tank with cooling liquid until
it reaches the max mark.
16. When processing titanium blanks: Add the cooling
lubricant Tec Liquid Pro to the cooling liquid. The
mixing ratio is indicated on the bottle label.
Determine the pH value of the cooling liquid.
Determining the pH value of the cooling liquid with

test strips – on page 29
17. Push the tank completely into the cooling liquid
drawer.
F . 37 I
IG NSERTING THE COOLING LIQUID TANK INTO THE DRAWER
18. Close the cooling liquid drawer.
The cooling liquid tank is connected to the cooling
liquid system via the coupling.
EN 31
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MARKED