ABB Robotics IRB 6790 Product Manual page 248

4 Repair
4.4.4 Replacing the brake release unit
Continued
Stainless steel fasteners
Due to robot protection type Foundry Prime, some of the attachment screws and
washers used on the robot are made of stainless steel. If damaged or lost, order
new items according to this table.
Equipment to be
fastened
Push button cover
Removing the brake release unit
Preparations before removing the brake release unit
1
2
3
4
Continues on next page
248
Screws
M5x16 Stainless steel A2-
70 (6 pcs)
9ADA619-56
Action
DANGER
Turn off all:
• electric power supply
• hydraulic pressure supply
to the robot, before entering the safeguarded space.
ELECTROSTATIC DISCHARGE (ESD)
The unit is sensitive to ESD. Before handling the unit
please read the safety information in the section
unit is sensitive to ESD on page 49
Remove the push button guard from the SMB cover.
The push button guard must be removed to ensure
a correct refitting of the brake release unit.
Check the leak flow value on the flow sensor.
Note the value to be able to compare it when repair
is completed.
© Copyright 2019 - 2020 ABB. All rights reserved.
Washers
Note
The
xx1700001813
xx1700001593
Product manual - IRB 6790
3HAC063331-001 Revision: B
Quantity
6 pcs