Introduzione
It may be that the pump no longer works properly and builds up the pressure sufficiently. Often a valve ball inside the pump is defective, you may be able to replace it. But it may also be that the solenoid coil is no longer working. Pump Ulka EP5GW is not very expensive and replacement is quite simple.
Cosa ti serve
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Remove all attachments such as water tank, pulp drawer, brew group.
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Turn the machine with the back facing you.
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Remove five Torx T20 security screws.
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Push the side panel back about 1.5 cm.
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Lift off the panel.
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The following compononents are exposed:
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Heater
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Expansion chamber
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Gear drive
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Steam valve
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The pump is located on the back of the device. It is supported by a spring and a rubber surround.
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Work through the steps in reverse order to reassemble your device.
Work through the steps in reverse order to reassemble your device.
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