Vogelsang VX Series, Manual

Page: 98 / 202

Rotary lobe pump
Operating instructions
VX100Q, VX136Q..QD..QDM2, VX186Q..QD..QDM2, VX230Q..QD
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8.10 Adjusting of pump housing segments
Should the pump housing segments be worn, they can be readjusted as follows.
1. Remove Q or QD cover

Chapter "Opening the Q
cover" or “Opening the QD cover".
2. Loosen the connector and screws at the pump housing segments.
3. Adjust the top and bottom spring pins in the pump housing segments

Fig.
“Adjustment of pump
housing segments".
4. Before installation of the pump housing segments, apply flange sealant, set an asbestos-free gasket in
place and coat this with flange sealant as well. The asbestos-free gaskets do not apply to the VX230
series, here you only need to apply flange sealant.
5. Screw all screws back on at the pump and the connectors.
6. Install Q or QD cover

Chapter
“Closing the Q cover" or “Closing the QD cover".
Fig. 34 : Adjustment of pump housing segments
1 Position of the spring pin
A Original
VX100 VX136 VX186 VX230
B
1. adjustment 0.5 mm 0.7 mm 0.9 mm 1.5 mm
C 2. adjustment 1.0 mm 1.4 mm 1.8 mm --