EXTRAORDINARY MAINTENANCE
1. CLEANING THE DOSING SYSTEM (VERSIONS WITH CDS)
The dosing system should be cleaned if the machine is not used for a long period (more than 48 hours),
proceed as follows to do so:
1. Check that the main switch of the machine is set to “Off – 0”
2. Verify that the battery connector is disconnected from the machine connector
3. Check that the parking brake is correctly engaged
4. Make sure the recovery tank is empty, otherwise empty it completely
5. Disconnect the tank closure hinge (1). By gripping the handle (2) on the left side of the machine, turn
the recovery tank
6. Unscrew the cap of the detergent canister (3) and fill it with clean water
WARNING: always use low foam detergent. To avoid the production of foam,
before starting to clean, put a minimum quantity of antifoam liquid into the
recovery tank. Do not use pure acids.
7. Close the cap of the detergent canister, taking care that the suction filter is positioned at the bottom of
the canister
8. Make sure there is clean water in the solution tank
9. Check that the tap lever is fully opened, the lever is positioned at the rear of the machine
10. Check that the by-pass tap is in the “dosing system” position
11. Turn the water flow rate adjustment knob (4) to the maximum position
12. Turn the detergent percentage adjustment knob (5) to the maximum position
13. Insert the battery connector into the machine connector
14. Place the main switch in position “ON – I”
15. Disengage the parking brake
16. Lower the brush head body by means of the pedal (6)
17. Activate the dead man's levers (7) to allow the operation of the brush head and the dosing system
18. Wait a few minutes keeping the dead man's levers pressed (normally 2 to 4 minutes) to allow the
cleaning of the dosing system
19. Empty the solution and detergent canister completely
20. Place the machine in the parking area and make it secure
WARNING: During this operation the machine will deliver the solution
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