NoteActionxx2200001796Remove the oil plug from the fill/level hole.NoteThe oil plug hole is opened to speed up thedrainage.7WARNINGUsed oil is hazardous material and mustbe disposed of in a safe way. See Decom-missioning on page 615 for more informa-tion.8O-ring, G 1/2": 3HAC061327-059Refit the oil plug for the drainage hole, witha new o-ring.9Tightening torque: 24 Nm.xx2100002095Filling oil into the axis-4 gearboxUse this procedure to refill the gearbox with oil.NoteActionDANGERTurn off all:• electric power supply• hydraulic pressure supply• air pressure supplyto the robot, before entering the safe-guarded space.1Continues on next page156 Product manual - IRB 67103HAC085695-001 Revision: A© Copyright 2023 ABB. All rights reserved.4 Maintenance4.4.5 Changing the oil in axis-4 gearboxContinued