9-84
9.3 Maintenance and
Checks
9.3.1 Solution Tank
Controls:
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 35).
Figure 9.1: Solution Tank
9.3.2 Hoses
Checks:
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 (see section 4.5.2 at page 36).
9.3.3 Water Valve
Checks:
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.
Figure 9.2: Water Valve
9.3.4 Clean Water Filter
Checks:
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.
Figure 9.3: Clean Water Filter