Nissei Corporation


Daily inspection and regular inspection (Gearmotor, gearmotor with brake)

Daily inspection

Inspection itemMethodInspection contents
Load currentAmmeterWithin the rated current written on the nameplate
NoiseAuditoryCheck abnormal sounds (unusual rattling sounds and periodic sounds)
Listening rodCheck abnormal sounds using a listening rod
VibrationTactileThere is no abnormal vibration of the gear case nor motor frame after the surface temperature is checked
Surface temperatureSurface thermometer15W to 90W: 90℃ or less 0.1kW to 2.2kW: 80℃ or less
Grease leakageVisual checkCheck that the grease is not leaking from the junctions of the case, bracket, etc., oil seal, etc.
OdorOlfactoryThere is no special odor of varnish getting burned at the time of overheating of the motor due to overload, restraint operation, etc.

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Regular inspection

Inspection itemInspection guidelineInspection contents
Oil seal and greaseHalf yearCheck whether it is deteriorated
Replace if if you find any abnormality
Hold down boltsHalf yearCheck loosening with a spanner
If the bolts have loosened, tighten them additionally
Chain and V-beltHalf yearCheck the tension
Adjust the tension appropriately
Insulation resistance of the motorHalf yearCheck with the insulation resistance tester that the insulation resistance is 1 MΩ or more with 500 V
Brake gap amount1 monthCheck the appropriate gap range
Brake lining thicknessHalf yearCheck the thickness of the lining

*If you find any abnormality in the inspection, follow the instruction manual or contact us.

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