78
Periodic Inspection (continued)
Chapter 2 Inspection
Item Check method Criteria When failed
Electrical
Parts
• Remove the Controller
Cover and check the
electrical parts visually.
• Check the number of start
with the CH Meter.
(Refer to P88.)
• To have no damaged or burnt part.
• To have no loosened bolt. Electrical parts
must be mounted securely.
Replace the damaged
or burnt electrical part.
Mount the electrical
part securely.
Wiring • WiringmustbexedtotheElectricalParts
securely.
• Connectors must be inserted securely.
Connect wirings
securely.
• To have no wire breakage and burning Replace the wiring with
new wiring, referring to
Chapter 3 Guidance on
Troubleshooting. (P92 to
93)
Contamination
and
attachment of
foreign matter
• To have not waterdrop or foreign matter. Remove the foreign
matter.
VFD • Check the parts with service
life
(see VFD Manual.)
* Contact KITO for the manual
• Electrolytic capacitor: 3000 hours (depending
on the use)
Replace the VFD.
■
Electrical Equipment
Item Check method Criteria When failed
Source
Voltage
• Measure the voltage with a
circuit tester.
• The source voltage of the rated voltage ± 10
% at the receiving terminal must be supplied
when operating with the capacity.
• Be careful of electric shock
when measuring the voltage.
Electric shock may result in death or
serious injury.
Mandatory
DANGER
Supply proper voltage.
Insulation
Resistance
• Measure the insulation
resistance with megger.
(Resistance between
energized and non-
energized parts ··· Each
phase of R(L1), S(L2) and
T(L3) and the earth wire)
• Insulationresistancemustbe5MΩorhigher.
• Turn off the power when
measuring the insulation
resistance.
Measuring the insulation resistance
without turning off the power may
result in death or serious injury.
Mandatory
DANGER
Replace the Body size.
■
Electric Characteristics Measurement
Electric Chain Hoist (EQ) Periodic Inspection Periodic Inspection
2
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