ABB IRB 6660 Product Manual page 263

Removing, brake release board
Use this procedure to remove the brake release board.
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Product manual - IRB 6660
3HAC028197-001 Revision: S
Action
DANGER
Turn off all:
• electric power supply to the robot
• hydraulic pressure supply to the robot
• air pressure supply to the robot
Before entering the robot working area.
ELECTROSTATIC DISCHARGE
(ESD)
The unit is sensitive to ESD. Before handling
the unit read the safety information in section
The unit is sensitive to ESD on page 33
Remove the cover for the push button guard.
Remove the push button guard from the SMB
cover.
Open the SMB cover by unscrewing the attach-
ment screws.
Let the battery stay connected, to avoid the
need of synchronization of the robot!
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 complete brake release board
(including brake release board and bracket)
from the SMB recess, by removing its two at-
tachment screws.
© Copyright 2007-2018 ABB. All rights reserved.
4.5.2 Replacing the brake release board
Note
Shown in the figure
release board on page
The guard must be removed to ensure
a correct refitting of the brake release
board.
Shown in the figure
release board on page
Continues on next page
4 Repair
Continued
Location of brake
262.
Location of brake
262.
263