Cornelius R-404A REFRIGERANT Service Manual page 57

4. Remove right-hand side panel as instructed for access to No. 2 product blender tank product shutoff valve.
5. Close No. 2 product blender tank product shutoff valve to prevent product bleeding back into No. 1 product
blender tank during sanitizing procedure.
IMPORTANT: The following CO
soft drink tank replacement or filling soft drink tank in place must be performed in order as follows:
6. To disconnect soft drink tank from Unit syrup system.
A. Disconnect liquid disconnect soft drink tank. NOTE - Disconnecting liquid quick disconnect from
soft drink tank first prevents syrup from backflowing through Unit syrup flow regulator, which
may alter regulator adjustments.
B. Second, disconnect CO
7. To connect soft drink tank into Unit syrup system.
A. First, connect CO
B. Second, connect liquid quick disconnect to soft drink tank.
8. Disconnect soft drink tank containing syrup from No. 1 syrup system.
9. Connect clean empty soft drink tank into No. 1 syrup system.
10. Place waste container under No. 1 cylinder dispensing valve nozzle. Open dispensing valve and dispense
all product from cylinder. As product level lowers in cylinder, partially close valve to avoid spurting.
11. Remove Unit lower front access panel as instructed for access to No. 1 product blender tank product sam-
ple valve.
12. Place waste container under No. 1 product blender tank product sample valve. Slowly open valve and
purge remaining product out of tank, then close valve.
13. Disconnect empty soft drink tank from No. 1 syrup system.
14. Refer to SERVICING DISPENSING VALVES CAGED O-RINGS AND FREEZE CYLINDERS DRIVE
SHAFT/SEAL ASSEMBLIES under LUBRICATION and perform procedure to lubricate dispensing valve
caged O-ring and drive shaft seal assembly.
WARNING: To avoid possible injury or property damage, do not attempt to remove soft
drink tank cover until CO
15. Pull up on empty soft drink tank cover relief valve to release CO
WARNING: If powder type sanitizer is used, it must be thoroughly dissolved with water
prior to adding to soft drink tank.
NOTE: Sanitizing solution is used in a more concentrated form because it will be diluted approximately
four-to-one in product blender tank.
16. Using clean empty soft drink tank, prepare full tank of sanitizing solution using Chlor-Tergent (Oakite Prod-
uct, Inc.) or equivalent sanitizer. Mix sanitizing solution by using 70 F to 100 F (max) plain water and 2.65
oz./gallon sanitizer. This mixture will provide 800-ppm of chlorine. Sanitizing solution will be diluted to
approximately 200-ppm inside product blender tank
after carbonated water has been mixed with sanitizing solution.
17. Shake sanitizing solution tank to thoroughly mix solution, then connect tank into No. 1 syrup
system.
18. Press ''FILL 1'' switch to fill No. 1 syrup system syrup float switch with sanitizing solution. ''SYRUP 1'' fault
message on message display will go out indicating syrup float switch has been filled with sanitizing solu-
tion.
312028000
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
pressure has been released from tank.
2
pressure from tank.
2
50