ProcedureThe procedure below details how to replace the tension arm unit.NoteActionDANGERTurn off all:• electric power supply• hydraulic pressure supply• air pressure supplyto the robot, before entering the robotworking area.1CAUTIONThe cable package is sensitive tomechanical damage. They must behandled with care, especially theconnectors, in order to avoid dam-aging them.2WARNINGThe spring inside the tension unit isunder tension! Never disassemble theunit! Always exercise care whenworking with the tension arm unit!3BAxx0500001794WARNINGIn order to avoid accidents place therobot arm in a service position (upperarm slightly upwards) with the tensionarm resting against the damper).4Parts:• A: Tension arm• B: DamperDetailed in section, Replacing the cablepackages IRBDP MH2 UE and IRBDP SW2UE on page 244Remove the cable package from theball joint housing on the tension armunit.5Continues on next page298 Product manual - DressPack/SpotPack IRB 6650S3HAC055424-001 Revision: C© Copyright 2004-2018 ABB. All rights reserved.4 Repair4.2.12 Replacement of tension arm unitContinued