Replacing Freeze Cylinder Beater Drive Motor; Adjusting Carbonator Tank Liquid Level - Cornelius FCB OVERCOUNTER POST-MIX DISPENSER Service Manual

REPLACING FREEZE CYLINDER BEATER DRIVE MOTOR

(see Figures 8 and 13 )
IMPORTANT: Note in 6 "MOTOR SELECT" the number of freeze cylinder beater drive motors
Manufacturers that are listed. Your Unit was manufactured and equipped with freeze cylinders beater
drive motors from one of these Manufacturers. 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 Unit back and both side panels as instructed.
4. Remove one bolt and two hex nuts and two lockwashers securing motor to Unit frame.
5. Very carefully, pull motor back off two mounting studs and disengage motor shaft and plastic coupler from
freeze cylinder drive shaft.
6. Lower motor down to Unit bottom platform, then turn motor for access to it's electrical wiring cover plate.
7. Remove two screws securing the electrical wiring cover plate, then remove plate for access to electrical
terminals.
8. Tag beater drive motor electrical wiring for identification, then disconnect wiring from terminals.
9. Remove old beater drive motor from inside Unit.
10. Remove plastic coupler from the old beater drive motor shaft and install on the new motor shaft. MAKE
SURE THE ALLEN-HEAD SET SCREWS ARE SECURELY TIGHTENED AND PROPERLY SEATED ON
THE SHAFT FLAT SURFACE.
11. Install new beater drive motor in the Unit by reversing removal procedure.
CAUTION: The new beater drive motor has a screw in the vent hole on top of the gear box
that must be removed before the motor is put into operation.
12. Remove screw from the vent hole on top of the beater drive motor gear box.
13. Install Unit back and both side panels by reversing removal procedures.
14. Restore the Unit to operation.
15. Refer to "PROGRAMMING FREEZE CYLINDER BEATER MOTORS INTO UNIT ELECTRONICS" in the
INSTALLATION section to program the new replacement beater motor into the Unit to match the Unit elec-
tronics.

ADJUSTING CARBONATOR TANK LIQUID LEVEL

The carbonator tank liquid level (pump cut-in and cut-out) was adjusted at the factory and should require no fur-
ther adjustment. However, if incorrect setting is suspected, check and make necessary adjustments as follows:
1. Remove Unit back and side panels as instructed for access to carbonator and carbonated water volume
sample valve (see Figure 2).
2. To check carbonator tank total fill; allow carbonator water pump motor to operate and fill tank with carbon-
ated water. After pump cycles off, disconnect electrical power from Unit.
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