CO- 4.1.0 CENTRAL DELIVERY (SDS) CHECK VALVES INSTALLED?
a) Remove the hydraulics from the cabinet!
b) Figure below, if check valves (with white inserts) are installed in the Acid and / or Bicarb Pump input
and/or output tubing REMOVE them completely and reattach all tubing with straight fittings!
CAUTION!
The check valves at the UF PUMP must NEVER be removed.
c) See procedure number
CO- 4.2.0
(page 346).
Figure 58 – UF Check Valves
2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
Page 345