Operation
Strainer wheels (turbines)
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6.16.2 Strainer wheels monitoring
The pressure of the hydraulic drive of the strainer wheels is constantly displayed on
the R-Touch in load monitoring. When exceeding a warning threshold (2) determined
by the driver (adjustable between 50% and 100% of drive pressure), the warning icon
flashes on the R-Touch. Simultaneously, a warning tone sounds. For setting the
warning threshold see page 138.
Automatic speed adjustment
Automatic rotational speed adjustment increases the speed of the strainer wheels
when the bar graph of pressure indication (3) for the strainer wheels is 20% below
the warning threshold (2). Increasing of the rotation speed is visibly indicated in the
bar graph (1) for automatic rotation speed adjustment. Should the automated system
adjust the speed earlier, then only the warning threshold (2) is to be set to a lower
level. Should the speed adjustment come into effect later, then the warning threshold
(2) is to be set to a higher level.
ADVICE
If automatic speed adjustment should constantly indicate the maximum value, then a
higher cleaning stage must be selected or the lifting speed must be reduced.
(1) Bar graph auto. rpm adjustment
(2) Warning threshold
(3) Bar graph strainer wheel drive pressure
Stone blockage detection
If a strainer wheel is abruptly blocked, all upstream drives and the driving power switch
off automatically. A warning indicating which strainer wheel is blocked appears on the
R-Touch. . Simultaneously, a warning buzzer sounds.
This allows you to start searching for the problem directly on the affected strainer
wheel.
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