Additel ADT927 Manuale di manutenzione e riparazione - Pagina 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
02