Replenishing Co2 Supply; Syrup Flavor Change - Cornelius R-404A REFRIGERANT Service Manual

REPLENISHING CO
WARNING: CO
CO (carbon dioxide) gas leaks in the entire CO
2
suspected, particularly in a small area, immediately ventilate the contaminated area before
attempting to repair the leak. Personnel exposed to high concentration of CO
tremors which are followed rapidly by loss of consciousness and suffocation.
NOTE: When indicator on primary CO
(''change CO cylinder'') portion of the dial, CO
2
1. Fully close (clockwise) CO
2. Slowly loosen CO regulator assembly coupling nut allowing CO
2
tor assembly from empty CO
3. Unfasten safety chain and remove empty CO
4. Position full CO cylinder and secure with safety chain.
2
WARNING: To avoid personal injury and/or property damage, always secure CO
upright position with safety chain to prevent it from falling over. Should valve become
accidentally damaged or broken off, CO
5. Make sure gasket is in place inside CO
6. Open (counterclockwise) CO
fully to back-seat valve. (Back-seating valve prevents leakage around valve shaft).
7. Check CO connections for leaks. Tighten loose connections.
2

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 as instructed in the
SERVICE AND MAINTENANCE SECTION.
IMPORTANT: The following CO
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
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.
SUPPLY
2
displaces oxygen. Strict attention must be observed in the prevention of
2
cylinder regulator assembly 1800-psi gauge is in shaded
2
cylinder valve.
2
cylinder.
2
2
regulator coupling nut, then install regulator on CO
2
cylinder valve slightly to allow lines to slowly fill with gas, then open valve
2
and liquid disconnects disconnecting and connecting procedure for
2
quick disconnect from soft drink tank.
2
quick disconnect to soft drink tank to pressurize tank.
2
and soft drink system. If a CO
2
cylinder is almost empty and should be changed.
2
pressure to escape, then remove regula-
2
cylinder.
cylinder can cause serious personal injury.
2
55
gas leak is
2
gas will experience
2
cylinder in
2
cylinder.
2
line to tank, then connect
2
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