DeLonghi ECAM series pump replacement

简介

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.

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步骤 1 DeLonghi ECAM back panel removal

DeLonghi ECAM series pump replacement, DeLonghi ECAM back panel removal: 步骤 1 中的图像 1，1

Unplug the power cord!
Remove all attachments such as water tank, pulp drawer, brew group.
Turn the machine with the back facing you.
Remove five Torx T20 security screws.
A small hurdle: These screws have a pin in the middle, so the screwdriver must have a hole.

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步骤 2

Lift out the back.
The following components are immediately visible:
grinder
pump
flowmeter

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步骤 3 DeLonghi ECAM Series left side panel

DeLonghi ECAM series pump replacement, DeLonghi ECAM Series left side panel: 步骤 3 中的图像 1，3

DeLonghi ECAM series pump replacement, DeLonghi ECAM Series left side panel: 步骤 3 中的图像 2，3

DeLonghi ECAM series pump replacement, DeLonghi ECAM Series left side panel: 步骤 3 中的图像 3，3

Push the side panel back about 1.5 cm.
Lift off the panel.
The following compononents are exposed:
Heater
Expansion chamber
Gear drive
Steam valve

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步骤 4 Pump

DeLonghi ECAM series pump replacement, Pump: 步骤 4 中的图像 1，1

The pump is located on the back of the device. It is supported by a spring and a rubber surround.

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步骤 5

Pull out the metal clip at the outlet of the mebrand damper.
Pull off the pressure hose. There is an O-ring at the end of the hose, which is usually stuck in the connection. Replace it during reassembly.

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