Maintenance Schedule - ABB IRB 920 Product Manual

4 Maintenance

4.3.2 Maintenance schedule

4.3.2 Maintenance schedule
Scheduled and non-predictable maintenance
The robot must be maintained regularly to ensure proper function. The maintenance
activities and intervals are specified in the table below.
Non-predictable situations also give rise to inspections of the robot. Any damage
must be attended to immediately.
Life of each component
The inspection intervals do not specify the life of each component. Values for these
are specified in the section
Maintenance schedule
Maintenance activities
Cleaning the robot
Inspecting the robot
Inspecting the robot harness
Inspecting the information labels
Inspecting the ball screw spline unit
Inspecting the mechanical stop
Inspecting the timing belt
Lubricating the ball screw spline unit
Replacing the SMB battery pack
Running the Brake Check routine
Running the Cyclic Brake Check routine
Overhaul of complete robot
i
Continues on next page
88
x
x
ii
x
x
x
iv v
x
iv v
x
Operating hours counted by the DTC = Duty time counter.
© Copyright 2022 ABB. All rights reserved.
Expected component life on page 90
x
x
x
iii
x
x
Reference
Cleaning the IRB 920 on page108
Check for abnormal wear or
contamination.
Inspecting the robot cabling on
page 93
Inspecting the information labels
on page 91
Inspecting the ball screw spline
unit on page 94
Inspecting axis-3 mechanical
stops on page 97
Inspecting timing belts on
page 100
Lubricating the ball screw spline
unit on page 106
Replacing the battery pack on
page 105
Recommended to robots without
the SafeMove option. See
Operating manual - OmniCore.
Recommended to robots with
the SafeMove option. See
Application manual - Functional
safety and SafeMove.
Product manual - IRB 920
3HAC075721-001 Revision: C