MOTOX gearbox - DS TECH

Faults, causes and remediesFaults Causes RemedyUnusual noises from drive unit Drive unit bearing not lubricated(motor size 160 and higher)Regrease the bearing, seeChanging the roller bearinggrease (Page 69)Unusual noises on the motorOil leakExcessive bearing play and / orbearing defectiveFastening bolts looseExcessive bearing play and / orbearing defectiveMotor brake rubbingInverter parameterizationIncorrect oil level for type ofconstruction usedOverpressure due to lack ofventilationOverpressure due to soiledventilationShaft sealing rings defectiveCover / flange bolts looseSurface sealing defective (e.g.,on cover, flange)Damage in transit (e.g., hairlinecracks)Check bearing and replace ifnecessaryTighten bolts / nuts, seeChecking tightness of fasteningbolts (Page 75)Check bearing and replace ifnecessaryCheck air gap and adjust ifnecessaryCorrect parameterizationCheck type of construction, seeTypes of construction(Page 85). Check the oil level,see Checking and changinglubricants (Page 59)Mount the ventilation asappropriate for the type ofconstruction, see Fitting thegearbox ventilation (Page 49).Clean the ventilation, seeCleaning the vent filter(Page 74)Replace the shaft sealing ringsTighten the bolts / nuts, seeChecking tightness of fasteningbolts (Page 75). Continue tomonitor the gearboxResealCheck the gearbox for damagein transitBA 201054 Operating Instructions, 05/2011