Optimum 3346245, Operating Manual

Page: 38 / 120

Operation
Version 1.0.4 - 2020-07-31 38 Translation of the original instructions
MZ4S GB
MZ
4S
_G
B_4.
fm
4.3 Operational modes of the machine

Manual operation with the hand wheels on the cross table.
- The protective housing should be closed, the spindle guard must be set to high. The pro-
tective housing must be closed if the cooling equipment is used.

Operation with the automatic table feed.
- The protective housing must be closed.

Drilling with the spindle sleeve lever on the milling head.
- The protective housing must be open, the spindle guard must be set to high.
4.4 Switching on the machine

Switch on the master switch.

Unlock both emergency-stop switches.

Turn the spindle drive direction of rotation switch to the neutral position.

When drilling with the spindle sleeve lever, attach and close the drill chuck guard.

When milling, close the chip and spray guard around the milling table.

Set the spindle speed at the selector switches of the gearbox.

Push the button Spindle drive "ON"

Set the direction of rotation switch of the spindle drive to the required position. The spindle
starts to rotate.
CAUTION!
When drilling with the spindle sleeve lever on the milling head, the spindle guard on the
milling head must be set and closed.
When milling with the automatic feed, the chip and spray guard around the milling table
must be closed.
When using the cooling lubricant pump, the chip and spray guard must always be
closed.
4.5 Switching off the machine

Push the button Spindle drive "OFF"

For a longer-term standstill of the machine, switch it off at the main switch.
4.6 Resetting an emergency stop condition

If necessary, move the feed direction levers on the control panel to the neutral position.

Set the direction of rotation switch for the spindle drive to the neutral position.

Unlock the emergency stop switch again.
4.7 Power failure, Restoring readiness for operation

Set the direction of rotation switch for the spindle drive to the neutral position.

If necessary, move the feed direction levers on the control panel to the neutral position.
4.8 Stopping the machine in an emergency
ATTENTION!
The emergency stop stops the machine when actuated. Press the emergency stop only if
there is a risk! Release the emergency stop by turning.