Thermo Scientific Corona Veo, Руководство по эксплуатации

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7 • Maintenance and Service
Charged Aerosol Detectors Corona Veo (RS) Operating Manual Page 193
Follow these steps
1. On the stream-switching valve, loosen the 2 screws that attach the
stator with the wrench. Loosen the screws in an alternating pattern,
by only half a turn at a time to avoid that the stator gets jammed.
Figure 41: Stream-switching valve (view from front)
2. Remove the stator from the valve body. To ensure that the sealing
surface of the stator cap is not damaged, place the stator on its
outer face.
3. Carefully remove the rotor seal with your hand or a small
screwdriver.
Figure 42: Disassembled valve
4. Inspect the rotor and stator surfaces for scratches:
♦
If there are no signs of scratches, clean all parts thoroughly. See
section 7.9.2, page 194 .
♦ If there are signs of scratches, replace the rotor and/or stator
and reassemble the valve. See
section 7.9.3, page 194 .
No. Description
1 Stator
2 Attachment screws for
stator
No. Description
1 Stator
2 Rotor