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Section 4. Backwash Mode
1.Turn off the system pump(s).
WARNING
To prevent equipment damage and possible injury, the pump must be turned off and the pressure relief valve on top of the filter must be opened. Wait for all air to evacuate the system
2.Release all pressure from the system at the main filter.
3.(DE Filters) Ensure that the Slide Valve handle is fully extended (handle pulled all the way up). See Figure 7.
(Sand Filters) Ensure that the Slide Valve handle is fully depressed (handle and piston pushed all the way down). Turn the handle until the stainless steel pin on the piston locks into the position bracket.
4.Turn on the system pump(s) and run the system until the waste water runs clean.
5.Turn off the system pump(s).
6.Return the Slide Valve handle to the normal operating position (see Section 3).
7.Turn on system pump(s) and check for normal water flow.
Section 5. Servicing
WARNING
To prevent equipment damage and possible injury, the pump must be turned off and the pressure relief valve on top of the filter must be opened. Wait for all air to evacuate the system
1.Turn off the system pump(s).
2.Release all pressure from the system at the main filter.
3.Loosen the lid union nut (see Figure 8).
Lid Union Nut
Figure 8. Loosen Lid Union Nut
4.Grab the Slide Valve handle and pull the shaft assembly out of the valve (see Figure 9).
DE Filter | Sand Filter |
Handle fully | Handle fully depressed |
extended | (pushed down) |
(pulled up) |
|
Figure 7. Handle Positions (SVLV2 shown) Caution - Handle Positions for Backwash Only
