Additel 927 Handbuch für Wartung und Reparatur - Seite 5

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1.2 Pump cleaning

The inside of the pump needs to be cleaned regularly, or else contaminants may cause damage to the sealing system and could

potentially contaminate the device under test.

①

Tight the two plugs on the connection ports to make sure there is no leakage.

②

Open the Release valve and the isolation valve, then rotate the pre-pressurization handle and the high-pressure pressurization

and fine pressure adjustment handle all the way in. Please refer to picture 1.2.1.

Release valve

Isolation valve

Pre-pressurization

handle

③

Open the drain valve to drain all the liquid media out. Then disassemble the release valve needle, release valve base and the

upper cover. Please refer to picture 1.2.2

High-pressure and fine

adiustment handle

Picture.1.2.1

Release valve needle

Plugs

Release valve base

Upper cover

Drain valve

Picture.1.2.2