Panasonic MCD Series - 6 Maintenance and Inspections

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B35
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B34
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English
6. Maintenance and Inspections
Maintenance and Inspections
• Routine maintenance and inspection of the driver and motor are essential for
the proper and safe operation.
Notes on Maintenance and Inspection
1)Turnonandturnoffshouldbedonebyoperatorsorinspectorsthemselves.
2)Internalcircuitofthedriveriskeptchargedwithhighvoltageforawhileevenafter
power-off.Turnoffthepowerandallow15minutesorlongerafterLEDdisplayof
thefrontpanelhasgoneoff,beforeperformingmaintenanceandinspection.
3)Disconnectalloftheconnectiontothedriverwhenperformingmeggertest(Insulation
resistancemeasurement)tothedriver,otherwiseitcouldresultinbreakdownofthe
driver.
4)Donotusebenzine, thinner, alcohol, acidic cleanerandalkaline cleaner because
theycandiscolorordamagetheexteriorcase.
Inspection Items and Cycles
Generalandnormalrunningcondition
Ambient conditions : 30 ˚C (annual average), load factor of 80 % or
lower, operating hours of 20 hours or less per day.
Performthedailyandperiodicalinspectionaspertheitemsbelow.
Type Cycles Items to be inspected
Daily
inspection
Daily
•Ambienttemperature,humidity,speck,dustorforeignobject
•Abnormalvibrationandnoise
•Maincircuitvoltage
•Odor
•Lintorotherparticlesatairholes
•Cleannessatfrontportionofthedriverandconnector
•Damageofthecables
•Looseconnectionormisalignmentbetweenthemotorand
machineorequipment
•Pinchingofforeignobjectattheload
Periodical
inspection
Annual
•Loosetightening
•Traceofoverheat
•Damagetotheterminalblock
•Loosefastenersonterminalblock
Note
Inspection cycle may change when the running conditions of the
above change.
Guideline for Parts Replacement
Usethetablebelowforareference.Partsreplacementcyclevariesdependingonthe
actualoperatingconditions.Defectivepartsshouldbereplacedorrepairedwhenany
errorhaveoccurred.
Prohibited
Disassembling for inspection and repair should be
carried out only by authorized dealers or service
company.
Product Component
Standard replacement
cycles (hour)
Note
Driver
Smoothingcondenser Approx.5years
Thesehoursorcycles
arereference.
Whenyouexperience
anyerror,replacement
isrequiredevenbefore
thisstandardreplace-
mentcycle.
Coolingfan
2to3years
(10,000to30,000hours)
Aluminumelectrolytic
capacitor(onPCB)
Approx.5years
Rushcurrent
preventiverelay
Approx.100,000times
(dependingonworking
condition)
Rushcurrent
preventiveresistor
Approx.20,000times
(dependingonworking
condition)
Motor
Bearing
3to5years
(20,000to30,000hours)
Oilseal 5000hours
Encoder
3to5years
(20,000to30,000hours)
6. Maintenance and Inspections
Maintenance and Inspections