TORO Hydroject® 3000/4000 Components
NOTES
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27
Pre-filter
The Hydroject® aerators use a water inlet pre-filter.
The pre-filter is a “spin down, swirl type” sediment pre-filter.
The filter has a reusable polyester 100-mesh (150-micron) screen.
Screen PN 86-9140
The clear bowl allows the operator to see when the pre-filter needs to be flushed or cleaned.
NOTE: Early units were not equipped with a pre-filter.
A kit is available to install one on older units, if water conditions warrant.
Kit Number 92-9544.
Flush Valve
When dirt or debris accumulates in the pre-filter, the filter needs to be flushed or cleaned.
To flush the pre-filter, open the flush valve while the water is connected to the unit. This will clean the collected
debris from the bottom of the pre-filter.
NOTE: In areas with high levels of water contamination, the flush valve can be left slightly open while
operating the Hydroject® to keep the pre-filter clean.
NOTE: Opening the flush valve after initially connecting the supply hose will bleed air from the supply
hose.