Figure D8 - Signaling arm
Timer Switches
The three timer utilized switches are double way monopolar type. They are identical, except regarding their function, and
can be interchangeably used. Their main functions are:
1.
Retention Switch
– Allows completing one revolution once the ice maker starts working. See Figure D9.
Figure D9 – Retention switches and water valve switches
2.
Water valve switch
– Open the water valve during the filling cycle. This is the only adjustable component in the
icemaker.
3.
Closure switch –
Stops the manufacturer operation when the container is full of ice.
Cam synchronizer and coupler
Three different cams are combined in a Delrin molded piece. One extreme is connected to a big gear synchronizer, and
the other is coupled to the expeller. The cams have the following functions:
1. The internal cam propels the lever arm of the closure switch.
2. The central cam propels the retention switch.
3. The external cam propels the water valve switch.
PAGE. D5
Arm down - starts unit
Arm up - operation stops
Motor
Synchronizing cam
Mounting plate
Water valve switch
Retention switch