Table 37 (Continued)
Check rate of flow through bed; adjust
controls to optimum rate, depending on
type of resin.
Check rate and adjust controls to
Check difference between inlet and
outlet pressures; if undesirable changes
in pressure drop have occurred, seek
cause and remedy.
Compare total softening capacity with
previous inspection; determine cause of
decrease, if any, and remedy situation.
Drain; keep synthetic resins damp; do
not regenerate before draining.
Maintain according to manufacturer's
Q-Quarterly; SA-Semiannually; A-Annually; V-Variable,
as conditions may indicate.
The frequencies shown are suggested frequencies that may be modified by
local command, as individual installation conditions warrant.
Demineralization Equipment. Ion-exchange equipment used for
demineralization is highly specialized. Maintain it according to the manufacturer's
Combustion Units. Maintenance of combustion units depends on the
equipment used, fuel impurities, the effectiveness of the scrubber and drier, and the
materials of construction. Consult the manufacturer's instructions for maintenance of