Protecting the machine against frost
IMPORTANT
- Clean the machine intensively.
- Drain the flushing water tank via the hose connection at the bottom of the tank.
- Reinstall the hose connection.
- Run the spray liquid pump.
- 20l Fill in antifreeze containing propylene glycol through the flushing water tank opening.
To pump the antifreeze into the spray liquid tank, select the following on the control panel:
Select for the suction valve chest SA.- Select for the pressure valve chest DA.
- Select for the switch tap SF.
- Select for the suction valve chest SA.
- Open the stop tap IR and close it again.
Antifreeze is distributed in the liquid circuit.
- Open stop tap KS for 10 seconds.
- Select for the switch tap SF.
- Spray into the spray liquid tank with the spray lance for 10 seconds.
- Select for the pressure valve chest DA.
- Switch on spraying via the control terminal until the antifreeze emerges from the nozzles.
- Collect the sprayed-out liquid.
- Check the sprayed liquid for sufficient antifreeze.
If there is not enough antifreeze:
Add more antifreeze. Repeat the procedure.- Empty the spray liquid tank using the pump, Emptying excess spray liquid via the spray liquid pump.
- Reuse the mixture of antifreeze and spray liquid
or
Dispose of it correctly.
To drain the pressure sensor:
Remove the hose from the pressure sensor.- Drain the hand wash tank.
