Service manual

CARBONATOR MAINTENANCE SAME AS WP
1. Unplug refrigeration unit power cord from electrical socket.
2. Remove lid from unit.
3. Look down into water bath (if necessary, use flashlight) and inspect carbonator tank
for leak. Air bubbles will arise from place of leak, if leak is below surface of water. If
leak is above surface of water soap bubbles should be used to find any leak.
4. Shut off plain water supply to water pump by closing shutoff valve in water supply line.
5. Shut off C02 supply to refrigerating unit by closing shutoff valve on C02 cylinder.
6. Pull up on carbonator tank relief to relieve C02 pressure from tank.
7. Eliminate leak, tighten bad connections, or replace defective Probe assembly, water
double check valve, (S-20), gas single check valve, (S-22), or valve relief, (S-215).
8. Service check valves as outlined in SERVICING CHECK VALVES.
9. Reassemble as necessary.
10. Replace lid.
11. Plug refrigeration unit power cord in electrical socket.
12. Turn on plain water supply to water pump by opening shutoff valves in water supply
line.
13. Turn on C02 supply to refrigerating unit by opening shutoff valve on C02 cylinder.
14. Activate all systems as outlines in CHAPTER III.
SERVICING CHECK VALVES SHOULD BE DONE BY TECH
It is not recommended to disassemble the check valves unless it is absolutely necessary. As
stated before this necessity would be prompted by earthquakes, disruption of water service, etc.
The symptoms of a malfunctioning check valve would be:
Water check valve Carbonation throughout water supply, i.e., basins,
toilets, etc. or an activated vent valve.
Gas check valve Water in C02 cylinder, water escaping from high
pressure C02 regulator, (S-101), during cylinder
change and possibly water in syrup containers. If any
of the above symptoms occur proceed with the
following:
1. Disconnect water line from double check valve outlet. Remove double check from
water pump outlet fitting.
2. Remove one check valve from other, then disassemble each check valve as shown.
3. Wipe each part with clean lint-free cloth. Inspect each part, especially the ball, for
burrs, nicks, corrosion, deterioration, and other damage. Discard ball “O”-ring, (S-
13), and any damaged or suspicious parts and replace with new parts during re-
assembly.
4. Reassemble each check valve as shown.
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