Omron SYSDRIVE MX SERIES User Manual page 193

Inspection Inspection
part item
Main General Insulation resistance test
circuit (between main circuit terminal
and ground terminal)
Check that the screws
are secure.
Check that no part has
indications of overheating.
Terminal Check that there is no
block damage.
Smoothing Check that there is no
capacitor liquid leakage.
Check that the safety
valve has not come out.
Check that there are
no bulges.
Relay Check that there is no
terminal abnormal sound
block during operation.
Resistor Check that there are
no large fissures or
discoloration in the
resistance insulation.
Cooling fan Check that there are
no abnormal vibrations
or sounds.
Check that there is no
dirt or dust.
Check that the fan is
mounted correctly.
*1. The life of the capacitor depends on ambient temperatures. Refer to "Product Life Curve" (App-17).
*2. Clean the Inverter periodically. Accumulated dust in or on the cooling fan or heat sink can cause the Inverter
to overheat.
Inspection
period
Inspection point
Daily Periodic
*2
6-1 Inspection and Maintenance
Inspection
Criteria
method
Megger 5 MΩ min.
check
(Refer to 6-2.)
Tighten Tightening torque
securely (excluding
terminal block)
•M 3.5: 0.8 N•m
•M 4 : 1.2 N•m
Visual
inspection
Visual No faults
inspection
Visual No faults
inspection
Acoustic No faults
inspection
Visual No faults
inspection
Rotate Smooth rotation
manually when
the power is off.
Visual
inspection
Visual
inspection
Standard
replacement Meter
period
500 V DC
megger

*1


Tester
2 to 3 years
6-4
6