CCH® Elite Operation and Installation Manual (Model CCH1-HCE) Rev 1.0 3/2020
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8
Preventative Maintenance
8 .1
Preventative Maintenance Schedule
Complete each of the following tasks during the first week of each month.
Table 3. Monthly Maintenance
Action Needed
Maintenance Process
Time to
Complete
Change/clean
basket
See Clean the Grid Basket (Online Cleaning Instructions) on page 19.
Inspect inlet and
outlet plumbing
fittings
Verify that there are no leaks at any of the inlet and outlet ½" feeder fittings and 1 ½" booster pump
and venturi piping and fittings, including the booster pump itself.
1.
Close all isolation ball valves and re-plumb / replace any leaking piping and fittings.
2.
If leaking is observed at the pump motor, the pump shaft seal and impeller will have to be
replaced. Refer to the pump manual in the Appendix, page 23, for replacement parts and
instructions.
2 min
Inspect booster
pump
1.
Visually check for leaks on and around the pump, including the suction and discharge piping and
fittings.
2.
Close inlet and outlet 1 ½" ball valves and tighten or replace any leaking fittings.
3.
If leaking observed at the pump motor, the pump shaft seal and impeller is likely burned.
4. Refer to the pump manual in the Appendix, page 23, for replacement parts and instructions.
5 min
Inspect inlet line
strainer assembly
1.
With pressure in the line, visually inspect the strainer basket for leaks. Replace the entire basket
assembly if leaking.
2.
Close inlet ball valve.
3.
Remove strainer basket and visually inspect for cracks and debris.
4. Remove strainer screen and wash it out prior to replacing it back into the basket.
5. If screen appears damaged or has a hole in it, replace with a new screen.
6.
Re-install the strainer basket back into the strainer body.
10 - 15 min
Inspect discharge
check valve
1.
Close the outlet ball valve.
2.
Open the lower left and right base covers and unscrew the check valve unions to remove the
check valve body.
3.
Disassemble the check valve and inspect for calcium build up and debris. Clean if necessary.
4. Visually check the seal for corrosion. If the seal is corroded, replace the check valve.
5. Re-assemble the check valve body ensuring to put the seal on the side of the ball.
6.
Replace the check valve body back onto the unions, ensure arrow points away from the feeder.
10 min
Inspect reservoir
tank
Visually inspect the solution reservoir and ensure that there is no calcium buildup or debris on the
high level switch or the discharge valve (DV) assembly including the DV float, and arm.
Buildup on the level switch will prevent positive notification of a high level event. Verify level
switch operation by lifting up the switch and confirming the alert indicator light turns on.
Build up on the DV float or arm can interfere with feeder discharge operation. Refer to cleaning
instructions on page 19 if needed.
5 min
Inspect 450 cut
Bowl drain pipe
Visually inspect the HCE bowl drain pipe and ensure that there is no calcium builup or debris on
around the edges clogging the fluid path. Break off scale if necessary.