3.3.7 Upper armsGeneralThis section describes maintenance on the upper arms, with the interval 4000hours.DANGERTurn off all electrical power, hydraulic and pneumatic pressure supplies beforeentering the workspace of the manipulator.Also read the safety sections:• Safety risks related to pneumatic/hydraulic systems on page 33• Risks associated with live electric parts on page 29• Safety risks during installation and service work on robots on page 23Check upper armABxx0700000501Upper arm tubeAJoint ballsBContinues on next page116 Product manual - IRB 3603HAC030005-001 Revision: U© Copyright 2008-2018 ABB. All rights reserved.3 Maintenance3.3.7 Upper arms
