Starbucks Barista Teardown

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Traduction de l’étape 3

Étape 3

Our first target was the pump.
The pump is responsible for drawing water up from the reservoir to keep the boiler supplied with water... to boil.
First, remove the two clear plastic hoses from the barb fittings on either end of the pump.
When removing hoses from barb fittings, it is helpful to use a probe (the tip of a spudger in our case) to separate the hose from the metal fitting before pulling it off.
One hose is responsible for drawing water up from the reservoir and the other returns excess water if the boiler is filled to capacity and reaches the preset pressure of the pressure release valve.

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