Backwash; Maintenance - STA-RITE SYSTEM 3 Owner's Manual

Backwash Filter (Multi-Port Valve):
To prevent equipment damage and possible injury, turn pump OFF be-
fore changing valve position.
1. With pump OFF, set valve to 'BACKWASH' position.
2. Open air release valve (Key No. 1, Page 10).
3. Start pump, circulating water backwards through filter to waste.
4. Close air release valve when a steady stream of water is expelled.
5. Backwash until water runs clear.
6. Stop pump; set valve to 'RINSE' position.
7. Start pump; run pump for one minute.
8. Stop pump; set valve to 'FILTER' position.
9. Filter is now ready for service.
10. Open air release valve and release ALL pressure from system.
11. Follow 'Run filter' procedure to restart system.
Backwash Filter (Slide Valve):
To prevent equipment damage and possible injury, turn pump OFF be-
fore changing valve position.
1. With pump OFF, raise valve handle to fully extended position.
2. Open air release valve (Key No. 1, Page 10).
3. Start pump, circulating water backwards through filter to waste.
4. Close air release valve when a steady stream of water is expelled.
5. Backwash until water runs clear.
6. Stop pump; lower handle completely to 'FILTER' position and pin in
place.
7. Filter is now ready for service.
8. Open air release valve and release ALL pressure from tank and system.
9. Follow 'Run filter' procedure (above) to restart system.

MAINTENANCE

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 plas-
tic components in system.
• Inspect sand bed at least once a year to remove foreign material which
has not been backwashed out of system.
Follow instructions on Pages 6 and 7 when disassembling
and assembling filter.
NOTICE: When the sand bed gets hard and crusty on top, remove all the
old sand and replace it with new sand.
NOTICE: Open air bleed valve and bleed all air from filter each time pump
is stopped and restarted.
Weekly Pool Equipment Inspection:
1. Check pressure during operation. When pressure is 10 PSI (70kPa)
higher than initial operating pressure, backwash filter (see instructions,
page 7).
8