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Plate Up Switch: This switch is actuated by the water plate and informs the controller about the
position of the plate—fully up or not fully up. If this switch is not actuated when the water plate
closes, because ice is remaining on the water plate surface, the actuator motor will reverse and
reopen the water plate. This will continue until the surface is clear.
Adjustment: The switch should be actuated when the front cam arm is between the 10 o’clock
and 11 o’clock positions. The switch is closed when the “plate up” LED is lit. Adjust the actuation
point by adjusting the height of the white actuation screw on the water plate.
Note: Do not bend the switch lever to make this adjustment.
Arms Up Switch: This switch acts to limit the clockwise rotation of the actuator motor. It informs
the controller when the cam arms are in the “12 o’clock” position (water plate up), so the actuator
motor can be de-energized.
Adjustment: The switch operator, which is attached to the output shaft of the actuator motor, can
be rotated on the shaft and fixed in place with a set screw. When adjusted properly, the cam arm
will stop in the “12 o’clock” position. The motor stops when the flat spot on the switch operator
allows the switch lever to drop down.
Note: The front water plate spring must be on the left side of the cam hub when the water
plate is fully closed (cam arm in the 12 o’clock position).
Arms Down Switch: This switch acts to limit the counter-clockwise rotation of the actuator motor.
It informs the controller when the cam arms are in the “7 o’clock” position (water plate down), so
the actuator motor can be de-energized.
Adjustment: The switch operator, which is attached to the output shaft of the actuator motor, can
be rotated on the shaft and fixed in place with a set screw. When adjusted properly, the cam arm
will stop in the “7 o’clock” position. The motor stops when the flat spot on the switch operator
allows the switch lever to drop down. Do not allow under-travel or over-travel so that the water
plate is not in the most fully-open position (critical with HK models)
Contactor: Provided with all models to carry the compressor load. On self-contained and remote
air-cooled models, the condenser fan motor is also connected to the contactor. The contactor coil
is rated for line voltage and the contacts are rated for definite purpose applications (FLA and LRA).
High Pressure Cutoff: A manual reset pressure switch is provided, which will open the circuit to
the contactor coil if the discharge pressure should reach 435 psig (2.38 MPa gauge).
GB106x Series Unique Components
Stacking Chute: Provided to direct the ice, from the upper ice making section, down through the
lower ice making section of these machines.
Ice Deflectors-Upper Front and Rear: Provided to direct the falling ice, from the upper ice
making section, to the stacking chute.
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