BrainBee multigas 8500, Service Manual, Page: 19 / 78

ENGLISH 19 / 78 CAP. 6 - MAINTENANCE
MULTIGAS 8500
Place a container under the pump oil drain hole. Open the upper plug and then the lower
plug to drain the exhausted oil contained within the vacuum pump.
Once the pump is emptied, rescrew the bottom plug.
Fill the pump with new oil via the filler cap; use a funnel if necessary. Bring new oil level
halfway through the sight glass.
Once the pump is filled, close the top plug.
Once oil has been replaced, switch on the unit and from the MAINTENANCE menu select
PUMP OIL REPLACEMENT: press the “RESET” key to set the counter to zero.
6.2.1 Vacuum pump oil specifications
Performance and good operation of the vacuum pumps largely depend on the type of oil
being used.
Oil ensures lubrication of mechanical moving parts, tightness and vacuum level, as well as
low noise levels.
Unsuitable oil may jeopardize the pump performance, or it may cause breaking of inner
mechanisms.
For this reason, using oil provided by Brain Bee, or a type of oil having the characteristics
indicated below, is of the utmost importance.
SIGHT GLASS
UPPER PLUG
LOWER PLUG