Cartridge filter — full service
Run when pressure climbs ~8 PSI above the clean baseline, or quarterly on a weekly schedule.
- 01Isolate pump, depressurize housing, drain to grade.
- 02Remove lid, lift cartridge or grid stack onto a clean tarp.
- 03Hose pleat-by-pleat at low pressure; rotate, repeat from the inside.
- 04Inspect end-caps and pleats for tears, oils, calcium glaze.
- 05Replace lid O-ring lubricant, reseat, pressurize, log new baseline PSI.