9.3 Maintenance and
Checks
9.3.1 Solution Tank
Check (to perform every 50h)
The solution tank has to be clean and
intact. It has not to have cracks or any
other kind of damage. Verify, when the
tank is completely filled up, that there
are not leakage. If necessary replace the
Solution Tank. (see section 4.5.1 at page 26).
9.3.2 Hoses
Check (to perform every 50h)
Every single hose has to be intact and
has not to be worn out. It is extremely
important that the hoses kept the orig-
inal flexibility and they haven’t suffered
any chemical reaction with the detergent
used with the machine. If necessary pro-
ceed with the replacement of the dam-
aged hoses.
9.3.3 Water Valve
Check (to perform every 50h)
It is extremely important that when ad-
justed at minimum the valve blocks
completely the water flow and it is me-
chanically free to move for its while
stroke.
9.3.4 Clean Water Filter
Check (to perform every 4h)
The filter has to be periodically cleaned.
When it is fitted on the machine no leak-
age has to be present. The filter cartridge
has to be intact and has not to present
any anomaly.
9.3.4-1 9.3.4-2
9.3.5 Solenoid Valve
Check (to perform every 50h)
The solenoid valve has to block com-
pletely the solution flow when the brush
deck is not working. Viceversa it has to
grant the full flow rate when the brush
deck is working.
9.3.6 Distributor
Check (to perform every 150h)
The distributor has to be intact and has
to grant the proper solution flow without
any leakage in the gearbox.
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