Heidolph 036308001, Руководство по эксплуатации

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9 Cleaning and maintenance
9.1 Cleaning
This chapter does not contain descriptions for the deconta-
mination of the controller. This chapter describes only simple
cleaning and care measures.
9.1.1 Controller
Clean surface
>
Clean soiled surface with a clean, slightly wetted cloth. To
moisten the cloth we recommend water or mild soap.
9.1.2 Venting valve
Clean venting
1
valve
1. Apply slight overpressure of dry air or inert gas to the vacuum
port (1).
2.
Press the VENT key several times until gas escapes through
the venting port (2).
3. Repeat this procedure until you hear the clicking of the valve
and a gas stream is noticeable at the venting port (2).
9.1.3 Internal sensor
Clean internal sensor
1. Fill a small amount of solvent via the vacuum port (1) in the
controller, e. g., cleaning solvent.
2. Let the solvent react for a few minutes.
3. Drain the solvent.
5
Dissolved substances or discolorations in the solvent are
possible.
4. Repeat this procedure until no more pollutants are in the solvent.
5. Let the controller dry.
6. Readjust the internal (vacuum) sensor.
1 -> air admittance valve
IMPORTANT!
(1)
(2)