ABB IRB 4400/60 Product Manual page 211

Equipment, etc.
Other tools and procedures
may be required. See refer-
ences to these procedures
in the step-by-step instruc-
tions below.
Removal, brake release board
The procedure below details how to remove the brake release board from the robot.
1
2
3
4
5
6
Product manual - IRB 4400
3HAC022032-001 Revision: Q
CAUTION
Always cut the paint with a knife and grind the paint edge when disassembling
parts. See Cut the paint or surface on the robot before replacing parts on page
Action
DANGER
Turn off all:
• electric power supply
• hydraulic pressure supply
• air pressure supply (do not turn off for Foundry
Prime robots!)
to the robot, before entering the robot working area.
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 32
Secure the robot by moving:
• the lower arm to one of its end positions
• the upper arm to its end position.
Remove the rear cover plate.
CAUTION
Clean cover from metal residues before opening.
Metal residues can cause shortage on the boards
which can result in hazardous failures.
Take a picture or make notes of how the robot cabling
is positioned in regard to the brake release board.
Remove the connectors X8, X9 and X10 from the
brake release board.
© Copyright 2004-2018 ABB. All rights reserved.
4.6.3 Replacement of the brake release board
Spare part num- Article num-
ber ber
4 Repair
Continued
Note
These procedures include ref-
erences to the tools required.
Info/Illustration
The
Shown in the figure Location
of the brake release board
on page 210.
X8
X10
X9
xx1700000978
Continues on next page
140.
211