OPTIMUM
M A S C H I N E N - G E R M A N Y
Assembly and commissioning
Version 1.0 dated 2015-05-27
Page 31
Original operating instructions
F3
GB
TT system
In a TT line system, the transformer grounding and the installation grounding are independent
of one another. There are TT line supplies where the neutral conductor N is either transferred –
or not.
3.3.7 Connection compressed air supply
Connect the compressed air supply with at least 6.5 bars to the quick-action coupling of the
compressed air maintenance unit.
Adjust a pressure of 6.3 bars using the set screw of the maintenance unit.
ATTENTION!
In order to ensure a failure-free operation of the machine it is necessary that the required
air pressure is continuously applied on the machine at constant quality. In case of
insufficient air supply, for instance interruptions occur during tool change.
3.4
First commissioning
3.4.1 Refilling the cooling lubricant
INFORMATION
The CNC machine is delivered without cooling lubricant.
Fill the coolant / lubricant tank with an appropriate cooling lubricant via the machining room
CNC machine.
"Cooling lubricants“ on page 160
ATTENTION!
Failure of the pumps in case of dry running. The pumps are lubricated by the cooling
lubricant. Do not start up the pumps without cooling lubricant.
INFORMATION
Use a water-soluble environmentally friendly emulsion as cooling lubricant procured
from a specialist retailer.
Make sure that the cooling lubricant is properly absorbed.
Respect the environment when disposing of lubricants and coolants. Follow the
manufacturer’s disposal instructions.
3.4.2 Cooling lubricants
INFORMATION
The lathe is lacquered with a
one-component paint
. Consider this fact when selecting your cool-
ing lubricant.
The company Optimum Maschinen Germany GmbH does not assume any guarantee for sub-
sequent damages due to unsuitable cooling lubricants.
The flashpoint of the emulsion must be higher than 140°C.
When using non-water-miscible cooling lubricants (oil content > 15%) with a flashpoint, ignitable
aerosol air mixtures might develop. There is a potential danger of explosion.
The selection of cooling lubricants and slideway oils, lubricating oils or greases as well as their
care are being determined by the machine operator or operating company.
Therefore, Optimum Maschinen Germany GmbH cannot be held liable for machine damages
caused by unsuitable coolants and lubricants as well as by inadequate maintenance and servic-
ing of the coolant. In case of problems with the cooling lubricant and the slideway oil or grease,
please contact your mineral oil supplier.
