8.4.3 Vacuum Hose
Check (to perform every 4h)
The vacuum hose has to be clean and
intact. It is mandatory that the hose has
no crack to not decrease the underpres-
sure. The suction hose is particularly
sensitive in the coupling areas between
the pipe and couplings and in tight
curves.
8.4.4 Filtro e Galleggiante
Check (to perform every 4h)
The filter has to be clean and it is im-
portant that nothing blocks or reduces
the floater mobility. The filter has to be
clean to avoid that water or dirt goes
inside the vacuum motor, the floater
has to be free to move and has to block
completely the air flow when it is in
blocking position (UP).
Maintenance (to perform every 4h)
• Put the machine in safe conditions.
• Check that the recovery tank is com-
pletely empty.
• Remove the recovery tank cover.
• Unscrew the filter and the floater.
• Remove and clean (replace if neces-
sary) the Gasket.
• Open the cap of the filter body.
• Remove and clean (replace if neces-
sary) the filter.
• Proceed at reverse to restore the
parts.
8.4.4-123 8.4.4-124
8.4.4-125
8.4.5 Recovery Tank
Check (to perform every 150h)
The recovery tank has to be clean and
has not to have cracks or, in general,
any kind of damage. The Lid housing
has to be even and flat to allow the
gasket to adhere perfectly to the tank
to avoid any air infiltration. The hose
fittings have to be in optimum condition
in order to avoid any dirty water leak-
age or any pressure drop during the job.
8.4.5-126 8.4.5-127
63
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