Tornado 99728, Operation & Maintenance Manual

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If the problem persists, please contact the authorized technical as-
sistance.
THE DETERGENT SOLUTION ON THE BRUSHES IS NOT SUF-
FICIENT
1. Check that the solution valve lever (1) is open.
2. Check the level of the liquid in the solution tank.
3. Check that solution filter is clean (see under paragraph “CLEAN -
ING OF THE SOLUTION FILTER”).
4. The machine is equipped with solenoid valve, which is activated
only when the levers drive control (1) are activated.
5. Check on the display that the signal of the open solenoid valve is
activated.
If the machine is equipped with the 3S system (see under “3S
SYSTEM SOLUTION SAVING SYSTEM”) (optional), check that
the system is activated by pressing and holding for 3 seconds the
solenoid valve button (3).
If the problem persists, please contact the authorized technical as-
sistance.
THE MACHINE DOES NOT CLEAN PROPERLY
1. The brushes do not have the correct bristles: contact the autho-
rized technical assistance.
2. The brushes bristles have gotten worn. Check the brushes wear
condition and eventually replace them (the brushes have to be
replaced when the bristles have reached a height of about 1/2”
(15 mm). To replace the brushes, see instructions at paragraph
“BRUSHES DISASSEMBLY” and “BRUSHES ASSEMBLY”.
3. The detergent solution is insufficient: adjust the solution valve.
4. Check that the liquid detergent is in the recommended percent-
age.
5. Increase the brushes pressure (see at paragraph "ADJUST-
MENT OF THE BRUSHES PRESSURE").
Contact the authorized technical assistance for advice.
THE SQUEEGEE DOES NOT DRY PERFECTLY
1. Check that the squeegee rubbers are clean.
2. Check the adjustment of the height and the inclination of the
squeegee (see section “ADJUSTMENT OF THE SQUEEGEE” in
“BEFORE USE”).
3. Check that the suction hose is correctly inserted in the proper
seat on the recovery tank and that it is not obstructed.
4. Clean the suction filter.
5. Replace or turn the rubbers if worn out.
6. Check on the display that the starting signal of the suction motor
is on.
EXCESSIVE FOAM PRODUCTION
Check that low foam detergent has been used. If necessary, add
small quantities of anti foam liquid into the recovery tank.
Please be aware that a bigger quantity of foam is produced when
the floor is not very dirty. In this case please dilute detergent solu -
tion.