ABB OmniCore IRB 6720 Product Manual

NoteActionSee the replacement procedurefor the cassette sealing, in therepair chapter.Always install the sealing with a mounting tool spe-cified by ABB.Never hammer directly on the sealing as this mayresult in leakage.3NoteA new sealing has an initial wear that can cause lubricant to seep out and insome cases produce minor residues of rubber particles.This is normal behavior of the sealing and does not indicate a seal problem. Wipethe surrounding surfaces after initial run time.Flange sealings and static sealingsThe following procedure describes how to fit flange sealings and static sealings.ActionCheck the flange surfaces. They must be even and free from pores.1It is easy to check flatness using a gauge on the fastened joint (without sealing com-pound).If the flange surfaces are defective, the parts may not be used because leakage couldoccur.Clean the surfaces properly in accordance with the recommendations of ABB.2Distribute the sealing compound evenly over the surface.3Tighten the screws evenly when fastening the flange joint.4O-ringsThe following procedure describes how to fit o-rings.NoteActionEnsure that the correct o-ring size is used.1Defective o-rings, including damagedor deformed o-rings, may not be used.Check the o-ring for surface defects, burrs,shape accuracy, or deformation.2Check the o-ring grooves and mating surfaces.3They should be free of pores, contaminationand obvious scratches/damage.Lubricate the o-ring with grease.4Tighten the screws evenly while assembling.5Check that the o-ring is not squashed outsidethe o-ring groove.6192 Product manual - IRB 67203HAC085697-001 Revision: C© Copyright 2023 ABB. All rights reserved.5 Repair5.2.3 Mounting instructions for sealingsContinued