Cornelius FCB POST-MIX DISPENSER - Cleaning Co2 Gas Check Valves; Syrup Flavor Change

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SYRUP FLAVOR CHANGE
One or both syrup flavors can be changed at the same time. Perform flavor change on one system as follows:
1. Perform sanitizing procedure on syrup system syrup flavor change will be made on as instructed in the
SERVICE AND MAINTENANCE SECTION.
IMPORTANT: The following CO
2
and liquid disconnects disconnecting and connecting procedure for
soft drink tank replacement or filling soft drink tank in place must be performed in order as follows:
2. To disconnect soft drink tank from Unit syrup system.
A. Disconnect liquid disconnect from soft drink tank. NOTE - Disconnecting liquid disconnect from soft
drink tank first prevents syrup from backflowing through Unit syrup flow regulator which may alter
regulator adjustment.
B. Second, disconnect CO
2
quick disconnect from soft drink tank.
3. To connect soft drink tank into Unit syrup system.
A. First, connect CO
2
quick disconnect to soft drink tank to pressurize tank.
B. Second, connect liquid quick disconnect to soft drink tank.
4. First, pressurize soft drink tank containing new flavor syrup by connecting CO
2
line to tank, then connect
Unit syrup inlet line to tank.
5. Press applicable ‘‘FILL 1’’ or ‘‘FILL 2’’ switch to fill applicable No. 1 or No. 2 syrup system syrup float switch
with syrup.
6. Press applicable ‘‘AUTO BLEND 1’’ or ‘‘AUTO BLEND 2’’ switch to fill applicable No. 1 or No. 2 system
product blender tank with product.
7. Press applicable ‘‘AUTO 1’’ or ‘‘AUTO 2’’ switch to start refrigeration system and beater in applicable No. 1
or No. 2 freeze cylinder.
CAUTION: Do not relieve freeze cylinder pressure too fast or product will foam excessively
in freeze cylinder and lose carbonation.
8. After carbonator water pump cycles off, intermittently pull and release applicable No. 1 or No. 2 freeze
cylinder faceplate relief valve. This bleeds CO
2
from freeze cylinder and allows product to enter and fill
cylinder.
9. If necessary, adjust Brix, product viscosity (product consistency), and product carbonation of dispensed
product as instructed.
CLEANING CO
2
GAS CHECK VALVES
(see applicable Figure 2 or 3 and 13)
The CO
2
gas check valves must be inspected and serviced at least once a year under normal conditions and
after any servicing or disruption of the CO
2
system. ALWAYS REPLACE QUAD RING SEAL EACH TIME GAS
CHECK VALVES ARE SERVICED.