3.2.2 Maintenance schedule
General
The robot, consisting of robot and controller cabinet, must be maintained regularly
to ensure its function. The maintenance activities and their respective intervals are
specified in the table below.
Non-predictable situations also give rise to inspections of the robot. Any damages
must be attended to immediately!
The inspection intervals
do not
specify the life of each component.
Activities and intervals, standard equipment
The sections referred to in the table can be found in the different chapters for every
maintenance activity.
The table below specifies the required maintenance activities and intervals:
Detailed in section:
Interval
Equipment
Maintenance
activity
Check for abnormal wear
or contamination
Regularly
For Clean Room robots:
Daily
Robot
Inspection
Regularly
i
Damper, axes 1, 2
and 3
Inspection
Inspecting the robot
cabling on page 95
Regularly
Cable harnesses
Inspection
Inspecting timing belts on
page 101
36 mths
ii
Timing belts
Inspection
Inspecting plastic covers
on page 105
Regularly
Plastic covers
Inspection
Inspecting mechanical
stops on page 96
Regularly
Mechanical stop
pins
Inspection
Replacing the battery
pack on page 109
36 months or battery low
alert
iii
Battery pack,
measurement
system of type
RMU101 or
RMU102 (3-pole
battery contact)
Replacement
Replacing the battery
pack on page 109
Battery low alert
iv
Battery pack,
measurement
system with 2-
pole battery con-
tact, e.g.
DSQC633A
Replacement
Cleaning the IRB 120 on
page 112
Regularly
Complete robot
Cleaning
i
"Regularly" implies that the activity is to be performed regularly, but the actual interval may not be
specified by the robot manufacturer. The interval depends on the operation cycle of the robot, its
working environment and movement pattern. Generally, the more contaminated environment, the
shorter intervals. The more demanding movement pattern (sharper bending cable harness), the
shorter intervals.
ii
Service inspection including dismounting of robot parts shall always be done outside the clean
room area.
Continues on next page
Product manual - IRB 120
93
3HAC035728-001 Revision: N
© Copyright 2009-2017 ABB. All rights reserved.
3 Maintenance
3.2.2 Maintenance schedule
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