Cornelius 10 User Manual download pdf (Page 29)

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Servicing Carbonator Water Pump Water Strainer Screen. (see applicable Figure 5 or 6 and 8)

1. Disconnect electrical power from Cooling Unit at disconnect switch.

2. Close shutoff valve in plain water inlet supply line.

3. Note pressure setting on carbonator CO

regulator, then turn regulator adjusting screw to the left

(counterclockwise) until regulator gage reads 0-psi.

4. Remove two screws securing Cooling Unit top cover,then remove cover for access to carbonators water

pumps.

CAUTION: Condenser Coil and Fan Assembly condenser coil must be cleaned every 30

days. Excessive accumulation of debris on condenser coil will restrict cooling air flow

through coil and cause coil and refrigeration system overheat. Operating refrigeration

system in overheated condition will eventually result in Cooling Unit compressor failure.

5. If left-side (facing front switch side) of Cooling Unit is obstructed, unit will have to be pulled out for removal

of left-side panel for access to carbonator tanks and tanks carbonated water outlet lines liquid single check

valves.

6. Remove Cooling Unit left-side panel.

7. Loosen carbonator water pump screen retainer, then pull screen retainer and strainer screen from water

pump.

8. Pull strainer screen from screen retainer. Clean any sediment from screen retainer and pump screen

retainer port.

9. Inspect strainer screen for holes, restrictions, corrosion and other damage. Discard damaged strainer

screen.

10. Check O-Ring on screen retainer. Replace worn or damaged O-Ring (P/N 315349000). NOTE: A strainer

screen should always be used, otherwise particles could foul liquid double check valve.

11. Install good or new strainer screen (P/N 315348000) in screen retainer, then screw retainer into water

pump and tighten securely.

12. Service other carbonator water pump water strainer screen by repeating preceding steps 7 through 11.

13. Service carbonator water inlet liquid double check valve and carbonated water tank water outlet line single

check valve. Refer to next paragraph, Servicing Carbonator Plain Water Inlet Liquid Double Check Valve

and Carbonated Water Tank Carbonated Water Outlet Line Liquid Single Check Valve.

Servicing Carbonator Plain Water Inlet Liquid Double Check Valve and Carbonated Water Tank Carbonated

Water Outlet Line Single Liquid Check Valve. (see Figures 2, 8, and 9)

1. Service water strainer screen as instructed in previous paragraph before servicing liquid double and single

check valves.

2. Pull up on carbonator tanks relief valves to release CO

pressure from tanks.

3. Disconnect carbonator tank water inlet line from liquid double check valve outlet, then remove double

check valve from elbow in water pump outlet.

4. Remove one check valve from the other, then disassemble each check valve as shown in Figure 9.

5. Wipe each part with clean lint-free cloth. Inspect each part, especially the ball, for burrs, nicks, corrosion,

deterioration, and other damage. Discard ball seat and any damaged or suspicious parts and replace with

new parts during reassemble.

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Cornelius 10 User Manual Page 29

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