Optimum Optimill BF 30V Operating Manual page 39

Interval Where?
First after 200
operatingm
hours, then
every 2000
operating
hours
Maintenance
Version 1.1.5 dated 2015-08-31
What? How?

For oil change use an appropriate collecting tray of suffi-
cient capacity.

Have the drilling-milling machine run for a few minutes, the
oil will heat up and will slightly penetrate from the opening.

Remove the ventilation screw from the gear.

Remove the oil drain plug.

Refill the oil over the removed ventilation screw.
Quantity and type of oil
Oil change
Ventilation screw of the gear
Original operating instructions
OPTIMUM
M A S C H I N E N - G E R M A N Y

"Operating material" on page 18
Oil drain plug
Img.5-2: Milling head
BF30Vario GB
Page 39