B-70315EN/02 7.UNITS
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(8) Operate the chiller unit manually to circulate the cooling water.
Check that no water leaks from the fittings that were
disconnected during the replacement. After checking, restore the
original chiller setting.
(9) Close the main circuit breaker, turn on the power to the oscillator,
then turn on the power to the CNC. Then, check that the fans
rotate.
7.17 POWER SENSOR UNIT
Be careful not to touch or apply force to the black, light-sensitive
surface. Also ensure that no dust enters the sensor.
7.17.1 Replacement Method
(1) Turn off the power to the CNC, then turn off the main circuit
breaker and power supply for the laser oscillator.
(2) Disconnect the coaxial cable from the power sensor unit.
(3) Remove the mounting screws of the power sensor unit, and
remove the unit.
(4) Mount a new unit by reversing steps (2) and (3).
(5) Turn on the laser, then check that the laser output indication
appears.
7.17.2 Adjustment Method
See the setting of the power input compensation coefficient in Section
8.5, and check the compensation coefficient.
7.18 REPLACING THE DEW SENSOR
7.18.1 Replacement Method
(1) Turn off the power to the CNC, then turn off the main circuit
breaker and power supply for the laser oscillator.
(2) Disconnect the dew sensor Faston terminal from the terminal
block.
(3) Remove the screws securing the dew sensor, then replace the
sensor with a new one.
(4) Connect the dew sensor Faston terminal to the terminal block.
(5) After the replacement, no adjustment is needed.