7-2
7-1 Regular Maintenance and Check
For regular inspection, stop the machine operation, shut off the power, and remove the cover. Even
the power supply of theHybrid servo drive is disconnected, the filtering capacitor may still have
charging voltage which may take some time to be discharged completely. To avoid danger, it is
necessary to wait for the charging indicator to go off and use a voltmeter to test the voltage to confirm
that the voltage is below a safe value (≦ 25Vdc) before the inspection operation can be started.
Surrounding Environment
Inspection Period
Inspection Item Inspection Method
Daily Half
year
One
year
Check the ambient temperature, humidity,
vibration, and if there is dust, gas, oil mist, water
droplets, etc.
Visual inspection and
measurement by
instrument
○
Is there any external object such as a tool or other
hazardous object around the device?
Visual inspection
○
Voltage
Inspection Period
Inspection Item Inspection Method
Daily Half
year
One
year
Are the voltages for the Main Circuit and the
Control Circuit correct?
Measurement by
instrument
○
Keypad Display Panel
Inspection Period
Inspection Item Inspection Method
Daily Half
year
One
year
Are the displayed messages readable? Visual inspection ○
Is there any omitted character? ○
Mechanical Parts
Inspection Period
Inspection Item Inspection Method
Daily Half
year
One
year
Is there any abnormal sound or vibration? Visual and auditory
inspection
○
Are the bolts (fasteners) loose? Fastening
○
Is the part deformed or damaged? Visual inspection
○
Is the part discolored due to over heating? Visual inspection
○
Does the part have any dust or stain? Visual inspection
○
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