Cleaning Co2 Gas Check Valves; Replacing Freeze Cylinder Beater Drive Motor; Figure 12. Co2 Gas Check Valve - Cornelius FCB 3 H.P. POST-MIX DISPENSER Installation & Service Manual

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
cylinder.
9. If necessary, adjust BRIX, product viscosity (product consistency), and product carbonation of dispensed
product as instructed.
CLEANING CO GAS CHECK VALVES
2
(see Figure 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.

REPLACING FREEZE CYLINDER BEATER DRIVE MOTOR

(see Figures 5 and 7)
IMPORTANT: Note in "5 MOTOR SELECT" the number of freeze cylinders beater drive motors
Manufacturer's that are listed. Your Unit was manufactured and equipped with freeze cylinders beater
drive motors from one of these Manufacturer's. The replacement freeze cylinder beater drive motor is
also manufactured by one of these Manufacturer's listed. WHEN REPLACING ONE OF THE BEATER
MOTORS, NOTE THE MANUFACTURER'S NAME ON THE MOTOR. THE BEATER MOTOR
MANUFACTURER'S NAME MUST BE PROGRAMMED INTO THE UNIT WHICH WILL MATCH THE MOTOR
TO THE UNIT ELECTRONICS. Proceed as follows to replace the freeze cylinder beater drive motor.
1. Press "OFF 1" and "OFF 2" control switches to stop the refrigeration system and the beater drive motors.
2. Disconnect electrical power to the Unit.
3. Remove back and applicable side panels from the Unit.
4. Tag the beater drive motor electrical wiring for identification, then disconnect the wiring from the terminal
block.
5. Remove the bolt, hex nuts,and lockwashers securing the beater drive motor to the Unit frame.
6. Very carefully, remove the old beater drive motor from the Unit. BE CAREFUL NOT TO LOSE THE
LARGE RUBBER DRIVE SHAFT COUPLER.
312026000
from freeze cylinder and allows product to enter and fill
2
QUAD RING
183294000
BALL
183290000
SPRING
183297000
RETAINER
183298000
BODY
183295100
FIGURE 12. CO GAS CHECK VALVE
2
system. ALWAYS REPLACE QUAD RING SEAL EACH TIME GAS
2
56
QUAD RING SEAL MUST BE REPLACED
EACH TIME CHECK VALVE IS SERVICED.