LEYBOLD 111065, Руководство по эксплуатации

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Water or isopropanol for cleaning
To clean the blow off valve:
1. Remove the 4xM6 screws (1) of the blow off cover (2).
2. Pull the blow off cover (2) up gently.
3. Remove the valve ball (3).
4. Check all surfaces for contamination. If required, clean with water or isopropanol.
5. Check the valve ball and all O-rings for damage or wear, replace if necessary
(EK6525317).
6. Reassemble the components (a missing valve ball will destroy the pump).
7. Tighten the 4xM10 screws with 8 Nm.
Note:
VD 160/200 have two ball valves.
Figure 9. Blow off valve cleaning
1. Screws 2. Blow off cover
3. Ball valve
1. Screws 2. Blow off cover
3. Ball valve
300766038_002 - © Leybold
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Maintenance