Pfeiffer Vacuum HISCROLL 12, Руководство по эксплуатации

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Fig. 22: Removing gas ballast valve
1 Cylinder screw, 3x 5 Compression spring
2 Gas ballast handle 6 O-ring
3 Valve plate 7 Base plate
4 Weight
Removing gas ballast valve
1. Unscrew the cylinder screws from the gas ballast handle.
2. Remove the gas ballast handle from the base plate.
3. Remove the compression spring with valve plate from the gas ballast handle.
4. Unscrew the valve plate from the compression spring.
5. Pull the weight out of the valve plate.
– Retain the weight for loading the valve plate for the installation.
6. Replace the O-ring between the gas ballast handle and the base plate.
9.4.2 Installing gas ballast valve
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Fig. 23: Assemble gas ballast valve
1 Cylinder screw, 3x 5 Compression spring
2 Gas ballast handle 6 O-ring
3 Valve plate 7 Base plate
4 Weight
Assemble gas ballast valve
1. Turn the compression spring on the valve plate to open it.
2. Insert the O-ring into the designated groove in the base plate.
3. Insert the valve plate with compression spring and weight into the base plate.
4. Place the gas ballast handle on the valve plate.
5. Screw the cylinder screws into the gas ballast handle.
– Tightening torque:
1 Nm
Maintenance
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