•
disconnect the battery charger connector from the battery wiring connector;
•
at the end of the recharging time check the battery intensity with a densimeter: if one
or more elements are flat and the remaining ones completely charged, the battery is
damaged and must be replaced.
Gel batteries:
•
connect the battery-charger connector to the battery wiring connector (fig 17, ref. 1);
Use only a battery-charger that is specific for gel storage batteries.
•
recharge following the instructions written in the manual to the battery-charger;
•
at the end of the recharging time disconnect the connectors.
All maintenance operations on the electric system and those not explicitly
described in this manual must only be performed by trained technical staff in
compliance with the safety regulations in force and recommendations stated in the
9.1
Maintenance – General rules
A regular maintenance performed according to the Manufacturer's intructions guarantees
a better performance and endurance of the machine.
9.2
Routine maintenance
9.2.1 Precautions
When cleaning the machine always observe the following instructions:
• avoid using water cleaners, which could let water go inside the electric or the motor
compartments with a consequent damage or hazard of short circuits;
• do not use steam in order not to warp the plastic parts;
• do not use solvents or hydrocarbons, which could damage the hoods or the rubber
parts.
9.2.2 Suction air filter and floating rod: cleaning
• Stop the machine and press the emergency button (fig. 8, ref. 2); engage the parking
brake by means of the pedal (fig. 8, ref. 12);
• unscrew and take off the tank cap (fig. 18, ref. 1) from the recovery tank (fig. 18, ref. 4);
• make sure that the recovery tank (fig. 18, ref. 4) is empty;
• take out the air filter (fig. 18, ref. 2) of the suction unit from the float support (fig. 18,
ref. 3), which is located on the upper inner side of the recovery tank;
• clean the filter with current water or with the detergent used in the machine;
• put the filter back in the support only after having it dried well;
• make sure that the filter has been replaced in its seat correctly;
• check that the floating rod (fig. 18, ref. 5), which is also fixed to the support (fig. 18, ref.
3), moves freely and clean it, if necessary;
• screw again the cap on the recovery tank.
9.2.3 Squeegee blades: check and replacement
The blades of the squeegee are used to scrub from the floor the film of water and
ENGLISH
20
WARNING
9.
INSTRUCTIONS FOR MAINTENANCE
! DANGER
maintenance manual.
i INFORMATION
Do not use water on the motors or electric parts.