7
Removing air from the pumping unit
Remove air from the pumping unit, if there is air mixed with the lubricant e.g. in connection
with the filling of the lubricant reservoir.
Removing air from the pumping unit:
1. Disconnect the main line connections.
2. Start the pumping unit.
3. Open the pumping element deaerating screw.
4. Pump until only lubricant is coming out of the deaerating screw (no air).
5. Tighten the deaerating screw.
6. Connect the main line connections.
Figure 1. Opening the deaerating screw