Squeegee Cleaning; Weekly Maintenance; Rear Squeegee Rubber Check; Squeegee Hose Cleaning - Tornado 99790 Manual De Operaciones Y Mantenimiento

To disassemble the brushes it is necessary
that the brushes base is in the lifted posi-
tion. If it is not lifted, proceed as follows:
Without the operator seated, turning the
key switch clockwise, the display comes
on and after 3 seconds all working groups
come off automatically and are lifted from
the floor. Switch off the machine turn-
ing the key counterclockwise. Rotate the
brushes energically in order to release
the button from the coupling spring until it
becomes free and wash them with a water
jet. The figure shows the rotating sense for
brushes release.

SQUEEGEE CLEANING

Keeping the squeegee clean guarantees
always the best drying result. For its clean-
ing it is necessary to:
1. Take off the squeegee hose (4) from the
coupling.
2. Disassemble the squeegee (3) from its
support (1) loosening the stud bolts (2) and
making them slide inside the slots up to
release them.
3. Clean with care the internal part of the
squeegee inlet eliminating dirt residue.
4. Clean the squeegee rubbers.
5. Reassemble all parts.

WEEKLY MAINTENANCE

REAR SQUEEGEE RUBBER CHECK

Check the squeegee rubber wear and
eventually turn or replace it.
For the replacement it is necessary to:
1. Take off the squeegee (see under para-
graph ("SQUEEGEE CLEANING").
2. Unhook the couplers (1), unscrew the
wing nuts (2) that block the rubber blade
and take off the rubber.
3. Turn the rubber to a new side or replace
it.
4. To reassemble the squeegee reverse
the above mentioned operations, inserting
the rubber on the guides and blocking it
with the rubber holder blade.

SQUEEGEE HOSE CLEANING

Weekly or in case of insufficient suction, it
is necessary to check that the squeegee
hose is not obstructed. To clean it, proceed
as follows:
1.Take off the hose (1) from the squeegee
coupling.
2.Wash the inside of the hose with a water
jet.
3.To reassemble the hose reverse the
above operations.
CLEANING OF THE SOLUTION TANK
AND OF THE OUTER FILTER
1.Bring the machine to an appropriate
place for the detergent solution draining.
2.Unscrew the solution tank cap (1).
3.Unscrew the cap of the exhaust filter (2)
and take off the filter. Be careful not to lose
the gasket of the cap.
4.Open the solution valve adjustment (see
under paragraph "FLOW ADJUSTMENT
OF THE DETERGENT SOLUTION"), so
that the detergent solution flows down into
appropriate containers.
5.Rinse with a water jet the solution tank
and the components of the filter.
6.Reassemble all parts.
16

TWO-MONTHLY MAINTENANCE

FRONT SQUEEGEE RUBBER CHECK

Check the wear of the squeegee rubber
and eventually replace it.
For the replacement it is necessary to:
1.Take off the squeegee (see under para-
graph "SQUEEGEE CLEANING").
2.Unscrew the wing nuts in the front part of
the squeegee.
3.Take off the rubber holder blade.
4.Replace the front rubber.
5.Reassemble all parts.

SIX-MONTHLY MAINTENANCE

SPLASH GUARD RUBBER CHECK

With the brushes assembled, the splash
guards must slightly touch the floor. If the
rubber is worn, it has to be replaced.
It is necessary to first disassemble the two
metal covers (see under paragraph
"SPLASH GUARD ASSEMBLY") and then
act upon the screws to disassembly the
blades and the rubbers to be replaced.

CHECK OF THE BRAKES

Check the braking efficacy of both rear
wheels. Should the braking be insufficient,
please contact the authorized technical
assistance.

TROUBLESHOOTING GUIDE

NOTE: The machine is equipped with a
control system of the main functions with
indication on the display of a probable mal-
function with alarm codes: AL 01, AL 02,
etc. The alarm 20 is general and foresees
an additional check of the quantity of blink-
ings to be read on the led on the chopper
card.
If with the key switch positioned clock-
wise to switch on the machine the display
and other functions are not activated,
it is necessary to check the batteries'
connection to the machine (see under
paragraph "CONNECTION BATTERIES'
CONNECTION AND SWITCHING ON OF
THE MACHINE"). If the problem persists,
please contact the authorized technical
assistance.