4.4 Upper arm4.4.1 Replacement of shaft and bearings, tilthouseLocation of shaft and bearingsThe tilthouse is located in the front part of the upper arm, linked to the upper armwith a shaft, as shown in the figure below.A more detailed view of the component and its position may be found in sectionUpper arm, exploded view on page 254 in part 2 of the Product manual.xx0500002566Shaft, tilthouseATilthouseBSealing ringCTaper roller bearing (2 pcs)DSealing ring with dust lipELock nut (2 pcs)FProtection hood (2 pcs)GVK cover (2 pcs)HM6 screws, including washers (4 pcs)IContinues on next page128 3HAC026048-001 Revision: E© Copyright 2006-2013 ABB. All rights reserved.4 Repair4.4.1 Replacement of shaft and bearings, tilthouse
