ABB Robotics IRB 6790 Product Manual page 129

Required tools and equipment
Equipment, etc.
Standard toolkit
Inspecting the leak flow
Use this procedure to inspect the leak flow.
1
2
3
4
5
6
7
Product manual - IRB 6790
3HAC063331-001 Revision: B
3.3.13 Inspecting the leak flow (overpressure unit) in the system
Article number
-
Action
CAUTION
Make sure that all supplies for electrical power
are turned off.
DANGER
Make sure that all supplies for electrical power
and hydraulic pressure are turned off.
Check the leak flow value on the flow sensor.
Open the covers one by one and close each cover
after checking that the leak flow value is increas-
ing on the sensor:
1 Axis-1 motor cover
2 Battery cover
3 Axis-2 motor cover
4 Axis-3 motor cover
5 Axis-4 motor cover
6 Axis-6 motor cover
If the value doesn't increase when opening the
covers, there is a system leakage.
1 Disconnect the air connection at Out 2 -
connection to create a leakage, to ensure
the correct settings and functions of the
flow sensor.
2 Reconnect the air connection.
3 Set the flow sensor, see
on page 74
Perform a visual inspection of the connection to
the balancing device.
Check the cable harness with leak detection
spray. Bubbles indicates a leak.
If the leakage still remains, contact ABB Service.
© Copyright 2019 - 2020 ABB. All rights reserved.
Note
Content is defined in section
toolkit on page
Note
Note the value to be able to com-
pare to the following values.
The flow value shall increase when
opening each cover and return to
starting value when closing the
covers.
Set the flow sensor
xx1700001383
Seal problem areas.
3 Maintenance
Continued
Standard
652.
129