Maintenance Checklist for Ion-Exchange Softening Units
Clean and wire brush; paint.
Valves and fittings
Check for obstructions, corrosion, and
Check for leaks; repack if necessary.
Ion-exchange medium Check bed surface for dirt, fines, and
organic growths; remove foreign matter
and add resin to desired level.
Probe through resin to determine gravel
surface; level gravel surface with rake
during backwash flow; replace gravel
when caked or if resin is being lost to
effluent; wash and grade gravel and
place in four separate layers; use new
lime-free gravel at discretion of
Check pressure drop through
A or V
underdrains; if necessary, remove
manifold or plate underdrains; clean and
Clean tank as necessary to remove dirt.
Clean out dirt and insolubles; allow to
dry; paint both exterior and interior
Clean, disassemble, check erosion and
corrosion; clear clogged pipes; assemble