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Tennant LPTB03379 Manuel D'instructions page 33

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Never perform any maintenance operations without first disconnecting the
Maintenance of the electrical circuit and all other operations not expressly required
by this manual must be performed by specialised personnel only, in compliance
with current safety legislation and as described in the maintenance manual.
9.1.
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, observe the following precautions.
avoid the use of high pressure washers. Water could penetrate the electrical
compartment or motors leading to damage or the risk of short circuit;
do not use steam to avoid the heat warping plastic parts;
do not use hydrocarbons or solvents as they could damage the cowling and rubber
parts.
9.2.
Routine maintenance
9.2.1 Suction motor air filter and float switch: cleaning
Unscrew and remove the tank cap (fig. 9, ref. 1) from the dirty water drum (fig. 9, ref.
4);
make sure the dirty water drum (fig. 9, ref. 4) is empty;
clean the float switch (fig. 9, ref. 5) at the back of the dirty water drum, taking care not
to direct the water jet directly against the float switch;
remove the suction motor air filter (fig. 9, ref. 2) from the float switch support (fig. 9 ref.
3) inside the dirty water drum at the top;
clean the filter with running water or the detergent solution used on the machine;
dry the filter thoroughly before replacing it in the support. Make sure the filter is
correctly located in its housing;
screw the cap back on the dirty water drum.
9.2.2 Basket filter: cleaning
Remove the basket filter from the water fill hole at the front of the machine;
clean the filter with running water or the detergent solution used on the machine;
replace the filter back in its housing, making sure it is correctly positioned.
9.2.3 Detergent filter: cleaning
unscrew the cover located below the bottom tank (fig. 10, ref. 1);
remove the detergent filter (fig. 10, ref. 2);
clean the filter with running water or the detergent solution used on the machine;
replace the filter in its housing, making sure it is correctly positioned and retighten the
screw.
9.2.4 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, reducing the drying efficiency and requiring it
to be replaced.
Turning or replacing the blades:
lower the squeegee by means of the corresponding lever (fig. 5, ref. 8);
ENGLISH
20
9.
MAINTENANCE INSTRUCTIONS
! DANGER
batteries.

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