Drum Vacuum Pump - Draining the Oil

Drain - The old oil is drained at the draining outlet [1] while the pump is switched off. 

It is preferred to drain the oil while it is hot in order to improve the flow of the oil in the draining tube.

You will find the draining tube already connected to the draining outlet.
See Figure 1. Vacuum Pump Front view

1. Take out the tube from the Lotem and open the plug. Drain all the oil to appropriate draining box.

2. Fill -:Vacuum pump - Use vacuum pump oil SHELL-Vitrea V9930 or Mineral Oil Viscosity ISO VG 100 
   (e.g. SHELL-Vitrea 100 ).

3. After filling the oil, screw on the oil covers.

4. Avoid switching off more than 10 times per hour

Figure 2. Filling Oil Vacuum Pump