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An espresso maker brews coffee with steam instead of hot water, though many units can do both. (click to enlarge)
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A home espresso maker is a small appliance for brewing coffee beans using steam rather than hot water. An electric steam-pressure espresso maker heats water, forcing the resulting steam through a filter basket filled with finely ground dark-roast coffee beans. Higher quality espresso makers also have pumps. In addition to espresso, many units can make cappuccino (espresso topped with steam-frothed milk) and latte (espresso mixed with steam-heated milk) beverages.
Service the pressure cap:
- Carefully remove the pressure cap gasket.
- Remove any screws holding the pressure ring in place and remove the ring.
- Inspect the pressure cap for cracks and replace as needed.
Service the hot-water dispenser head:
- Remove the locking ring with a screwdriver.
- Carefully remove the filter screen and gasket.
- Clean all parts with soapy water and replace the gasket if necessary.
Service the frother assembly:
- Unscrew the frother from the steam tube and remove the vent ring.
- Check the rotor and replace it if it is damaged.
- Wash all parts of the frother assembly with warm soapy water.
- Dry and reassemble the frother assembly.
Electrical parts, such as the power cord, on-off switch, boiler, and hot water coil can be tested with a multimeter.
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