ReferenceEvery 40,000 hours iEvery 20,000 hoursEvery 12,000 hours iEvery 8,000 hours iEvery 36 monthsEvery 12 monthsEvery 6 monthsAfter first 150 hoursRegularlyMaintenance activitiesChanging the oil in axis-1gearbox on page 137xChanging the oil in axis-1 gearboxChanging the oil in axis-2gearbox on page 142xChanging the oil in axis-2 gearboxChanging the oil in axis-3gearbox on page 147xChanging the oil in axis-3 gearboxChanging the oil in axis-4gearbox on page 152xChanging the oil in axis-4 gearboxChanging the oil in axis-5gearbox on page 157xChanging the oil in axis-5 gearboxChanging the oil in axis-6gearbox on page 162xChanging the oil in axis-6 gearboxReplacing the SMBbattery on page 167x iiiReplacing the SMB battery packLubricating the sphericalroller bearing, balancingdevice on page 170x ivLubricating the balancing devicebearingsi Operating hours counted by the DTC = Duty Time Counterii Replace when damage or cracks is detected or life limit is approaching that specified in sectionExpected component life on page 101.iii The battery is to be replaced at given maintenance interval or at battery low alert.iv Always lubricate the front eye bearing after refitting the shaft of the balancing device.100 Product manual - IRB 67403HAC085701-001 Revision: A© Copyright 2023 ABB. All rights reserved.4 Maintenance4.2.2 Maintenance scheduleContinued