System Inspection/Winterizing - STA-RITE VERTICAL GRID DE FILTERS S7D75 Owner's Manual

l2. If cleaning is part of seasonal shutdown, see "Winterizing", Page 12.
SYSTEM INSPECTION
General:
Wash outside of filter with a mild detergent and water. Rinse off with hose.
NOTICE: DO NOT use solvents to clean filter; solvents may damage plastic
components in system.
NOTICE: Open air bleed valve and bleed all air from filter each time pump is
stopped and restarted.
Weekly Inspection:
1. Skimmer basket- remove debris.
2. Stop pump, release all pressure. Remove trap cover and basket, remove de-
bris.
3. Bleed air from filter each time system is started.
4. For systems with bypass valve, make sure separation tank is not under
pressure.
5. Check pump for leaks. If found, see pump owner's manual.
6. Check pump strainer lid for tightness. Do not over-tighten!
WINTERIZING
1. Clean filter according to instructions, Page 10, before winterizing. Do not
winterize with DE precoat on grids or with residual in tank.
2. Open air release valve; open all system valves. Position multiport valve
between port positions to allow passage to all ports.
3. Remove drain plugs from trap, pump, valve, filter and separation tank.
4. Drain system piping.
5. Loosen union nuts to drain water from filter internal piping and valve.
6. Cover with plastic or tarpaulin to prevent water entrance and freezing.
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