Technical Information
39
CVA 4062/CVA 4066/CVA 4068 Coffee Systems
2.1.4 Brew Unit Drive, Compressing Position (Brew Position)
The drive moves until the second cam of the double-cam element switches the bottom
microswitch, and the top microswitch is no longer switched (Figure 030-7). The pawl
presses down on the spring (Figure 030-8) and closes the drain valve. The ground
coffee is slightly compressed and brewed.
Figure 030-7: Compressing Position, Rear View
Figure 030-8: Compressing Position, Front View
2.1.5 Brew Unit Drive, Drain Position
After the coffee is brewed, the drive moves back until the first cam of the double-cam
element activates the bottom microswitch and the top microswitch is switched (Figures
030-9 and 030-10). The tension of the spring is released, the drain valve is opened,
and the residual water runs into the drip tray before the coffee puck is dropped.
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