Flow Meter Once located, open the ball valve to the left of the flow meter. This ball valve will drain the flow meter once the flow meter is open and the vacuum is broken
Remove the plug from the flow meter by unscrewing the Phillips screw holding it in
Unscrew the 3 screws holding the top plate of the flow meter
Once the top plate of the flow meter is removed, the rotating wheel and internals of the flow meter will be exposed
Remove the wheel and clean the internal space and wheel with a clean towel
Reassemble the flow meter, making sure the screws are tighten well
Close the ball valve and turn on the water to the machine
Verify there are no leaks and reassemble the cup tray