14
en
Activating and deactivating the cool-
ant-lubricant flow (figure 9).
The coolant level can be checked in the
groove of the drilling shaft.
Switch the coolant lubricant flow off as soon
as the level is slightly below the opening.
The coolant in the drilling shaft is sufficient
for one drilling operation.
Prior to the next drilling operation, activate
and deactivate the coolant lubricant flow as
described.
To activate the coolant-lubricant
flow, turn the lever to the position
shown.
When working overhead, deacti-
vate the coolant-lubricant flow.
Turn the lever to the position
shown.
