ABB OmniCore IRB 6720 Product Manual

NoteActionxx2000000394Remove the remaining attachment screwand let the upper arm slide out from thelower arm with support from the guide pins.2Lift the upper arm and place it on the pre-pared area.3xx1300000553This step is only valid when the upper armis removed due to replacement of the axis-3 gearbox:Place pieces of wood (or similar) under armhouse and wrist. Lower the upper arm, andlet the upper arm rest as shown in the fig-ure.This is done in order to keep the axis-3gearbox in a vertical position and to get thebest position to replace the axis-3 gearbox,if applicable.4Removing the axis-3 gearboxUse this procedure to remove the gearbox.NoteActionGuide pin, M10x150: 3HAC15521-2Remove two attachment screws in oppositeholes and replace them with guide pins.TipLubricate the guide pins with some greaseto make the gearbox slide better.1Always use guide pins in pairs.xx2100002450Continues on next pageProduct manual - IRB 6720 5393HAC085697-001 Revision: C© Copyright 2023 ABB. All rights reserved.5 Repair5.8.3 Replacing the axis-3 gearboxContinued