Maintenance And Inspections; Ambient Environment - Delta HES Series User Manual

Chapter 6 Maintenance|HES Series

Maintenance and Inspections

Before the check-up, always turn off the AC input power and remove the cover. Wait at least 10
minutes after all display lamps have gone out, and then confirm that the capacitors have fully
discharged by measuring the voltage between DC+ and DC-. The voltage between DC+ and
DC-should be less than 25VDC.

Ambient environment

Check the ambient temperature, humidity,
vibration and see if there are any dust, gas, oil or
water drops
If there are any dangerous objects
Actuation Oil
If oil is sufficient
If the oil temperature is below 60°C
(recommended temperature is 15°C~ 50°C)
If the oil color is normal
Replace Actuation Oil regularly
Servo Oil Pump
If the set screws of Servo Oil Pump are loose
If the coupling screws of Servo Oil Pump are
loose
If the cooling fan of hybrid servo motor is running
normally and the air flow is sufficient
Clean the cooling fan of hybrid servo motor
regularly
Voltage
Check if the voltage of main circuit and control
circuit is correct
Keypad
Is the display clear for reading
Any missing characters
Check Items
Check Items
Check Items
Check Items
Check Items
Methods and Criterion
Visual inspection and
measurement with
equipment with standard
specification
Visual inspection
Methods and Criterion
Visual inspection
By thermometer
Visual inspection
Methods and Criterion
Visual inspection
Visual inspection
Visual inspection
Methods and Criterion
Measure with multimeter
with standard specification
Methods and Criterion
Visual inspection
6-2
Maintenance Period
Daily Half One
year Year
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Maintenance Period
Daily Half One
year Year
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Period of inspection
Daily Half One
year Year
○
○
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Maintenance Period
Daily Half One
year Year
○
Period of inspection
Daily Half One
year Year
○
○