3.3.5 Inspecting the oil level in axis-5 gearboxLocation of gearboxThe axis-5 gearbox is located in the wrist unit as shown in the figure.xx0900000155Oil plug, filling and inspectionAOil plug, drainingBRequired equipmentNoteArt. no.Equipment etc.See Type andamount of oil ingearboxes onpage 143.Lubricating oilContent is defined in sectionStandard tools on page 348.-Standard toolkitThese procedures include refer-ences to the tools required.Other tools and procedures maybe required. See references tothese procedures in the step-by-step instructions below.Continues on next page132 Product manual - IRB 6620LX3HAC035737-001 Revision: P© Copyright 2009-2018 ABB. All rights reserved.3 Maintenance3.3.5 Inspecting the oil level in axis-5 gearbox