Protecting the machine against frost

IMPORTANT
Risk of machine damage due to frost
Observe the following instructions.
  1. Clean the machine intensively.
  2. Drain the flushing water tank via the hose connection at the bottom of the tank.
  3. Reinstall the hose connection.
  4. Run the spray liquid pump.
  5. 20l Fill in antifreeze containing propylene glycol through the flushing water tank opening.
  1. To pump the antifreeze into the spray liquid tank, select the following on the control panel:

    Select for the suction valve chest SA.
  2. Select for the pressure valve chest DA.
  3. Select for the switch tap SF.
  4. Select for the suction valve chest SA.
  5. Open the stop tap IR and close it again.

Antifreeze is distributed in the liquid circuit.

  1. Open stop tap KS for 10 seconds.
  2. Select for the switch tap SF.
  3. Spray into the spray liquid tank with the spray lance for 10 seconds.
  4. Select for the pressure valve chest DA.
  5. Switch on spraying via the control terminal until the antifreeze emerges from the nozzles.
  6. Collect the sprayed-out liquid.
  7. Check the sprayed liquid for sufficient antifreeze.
  8. If there is not enough antifreeze:

    Add more antifreeze. Repeat the procedure.
  9. Empty the spray liquid tank using the pump, Emptying excess spray liquid via the spray liquid pump.
  10. Reuse the mixture of antifreeze and spray liquid

or

Dispose of it correctly.

  1. To drain the pressure sensor:

    Remove the hose from the pressure sensor.
  2. Drain the hand wash tank.