3 Maintenance3.3.5. Bar System3HAC030005-001 Revision: -84© Copyright 2006 ABB. All rights reserved.3.3.5. Bar SystemGeneralThis section describes maintenance on the bar system, with interval 500 and 4000 hour.DANGER!Turn off all electrical power, hydraulic and pneumatic pressure supplies to the robot!Also read the safety sections:• Safety risks related to pneumatic/hydraulic systems on page 18• Risks associated with live electric parts on page 20• Safety risks during installation and service work on robot on page 15NOTE!The wear on the bearing rings depends on the payload, number of cycles and environment.CAUTION!The spring units must be removed according to description in section Replacement of ParallelArms on page 120or they will be damaged.Bar system wearxx0700000484Required Equipment and ReferencesA Wear on bearing ringsB Wear on spring unit forksRequired Equipment Spare part no. NoteBearing ringsContinues on next page
