Cleaning Co2 Gas Check Valves; Figure 12. Co2 Gas Check Valve - Cornelius FCB OVERCOUNTER POST-MIX DISPENSER Service Manual

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
3. To connect soft drink tank into Unit syrup system.
A. First, connect CO
B. Second, connect liquid quick disconnect to soft drink tank.
4. First, pressurize soft drink tank containing new flavor syrup by connecting CO
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 cyl-
inder faceplate relief valve. This bleeds CO
der.
9. If necessary, adjust BRIX, product viscosity (product consistency), and product carbonation of dispensed
product as instructed.
CLEANING CO GAS CHECK VALVES
2
(see applicable Figures 2 and 12)
The CO gas check valves must be inspected and serviced at least once a year under normal conditions and
2
after any servicing or disruption of the CO
CHECK VALVES ARE SERVICED.
2992
quick disconnect from soft drink tank.
2
quick disconnect to soft drink tank to pressurize tank.
2
from freeze cylinder and allows product to enter and fill cylin-
2
system. ALWAYS REPLACE QUAD RING SEAL EACH TIME GAS
2
QUAD RING SEAL MUST BE REPLACED
EACH TIME CHECK VALVE IS SERVICED.
FIGURE 12. CO
2
56
QUAD RING
183294000
BALL
183296000
SPRING
183297000
RETAINER
183298000
BODY
183295100
GAS CHECK VALVE
line to tank, then connect
2