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►
Charge the batteries as described in the battery charger manual;
►
at the end of charging, disconnect the connectors;
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reconnect the battery wiring connector to the machine connector (machine with external battery char-
ger).
Never perform any maintenance operations without first unplugging the machine from the mains (cable
In cable models, the operator must be able to verify from any position that the machine remains unplug-
ged from the mains socket while maintenance is being carried out.
Maintenance on the electrical circuit and all other operations not explicitly described in this manual must
be performed by specialised personnel only, in compliance with current safety legislation and as descri-
Maintenance - General rules
Performing regular maintenance according to the Manufacturer's instructions improves performance and extends
the working life of the machine.
When cleaning the machine, respect the following:
►
avoid the use of high pressure washers. Water could penetrate the electrical compartment or motors
leading to damage or the risk of short circuit;
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do not use steam to avoid the heat warping plastic parts;
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do not use hydrocarbons or solvents as they could damage the cowling and rubber parts.
Routine maintenance
Float switch and detergent tank filter: cleaning
►
Remove the dirty water tank cap and clean the float switch (fig. I, ref. 1). Make sure it runs freely on the
pin.
►
clean the detergent tank filter (fig. N) by unscrewing the cap and extracting the filter assembly.
Squeegee blades: replacing
The squeegee blades collect the film of water and detergent from the floor and prepare the way for perfect drying.
With time, the constant rubbing makes the edge of the blade in contact with the floor rounded and cracked, redu-
cing the drying efficiency and requiring it to be replaced.
Turning or replacing the blades:
Parabolic squeegee
►
lower the squeegee by means of the squeegee lever (fig. D, ref. 2);
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tip the machine backwards and rest the handle on the floor.
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remove the suction hose sleeve (fig. E, ref. 4) from the squeegee;
►
remove the squeegee (fig. E ref. 1) from its mount by completely unscrewing the two knobs (fig. E ref.
2)
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remove the blade retainers and blades by unscrewing the knobs (fig. E, ref. 5);
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reuse the same blade by reversing the edge in contact with the floor until all four edges are worn out, or
replace with a new blade, fitting it onto the screws on the body of the squeegee;
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replace the two blade retainers and the blades and screw up the knobs unscrewed previously;
►
replace the squeegee in its support following the instructions in the section "Mounting and adjusting the
squeegee".
"V" squeegee
►
lower the squeegee by means of the squeegee lever (fig. D, ref. 2);
►
remove the suction hose sleeve (fig. E, ref. 8) from the squeegee;
►
remove the squeegee from its mount (fig. E ref. 6) by completely unscrewing the two knobs (fig. E ref.
7)
►
remove the blade pressing devices by opening the catch (Fig. E, ref. 11)
►
reuse the same blade by reversing the edge in contact with the floor until all four edges are worn out, or
replace with a new blade, fitting it onto the screws on the body of the squeegee;
►
reposition the two blade pressing devices and the blades, closing the catch.;
►
replace the squeegee in its support following the instructions in the section "Mounting and adjusting the
squeegee".
Roller version
►
remove the two squeegees (Fig. P, ref. 2-3) by unscrewing the screws;
►
turn the squeegees over;
MAINTENANCE INSTRUCTIONS
DANGER
version) or disconnecting the batteries.
bed in the maintenance manual.
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31
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