3.4.3 Changing the oil, axis-1 gearbox on suspended robotsFloor mounted or suspended robotDepending on whether the robot is floor mounted or suspended, the method ofchanging the oil is different.How to change oil if the robot is floor mounted, see Changing the oil, axis 1 gearboxon floor mounted robots on page 153.Location of oil plugsThe axis-1 gearbox is located between the frame and base of the robot. The oilplugs are shown in the figures.Valid for serial numbers from 101000- and 501000-ABxx1200000883Oil plug, ventingAOil plug, draining and fillingBContinues on next page158 Product manual - IRB 26003HAC035504-001 Revision: G© Copyright 2009-2015 ABB. All rights reserved.3 Maintenance3.4.3 Changing the oil, axis-1 gearbox on suspended robots