ABB IRB 6620 Product Manual page 235

8
Refitting, brake release board
Use this procedure to refit the brake release board.
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Product manual - IRB 6620
3HAC027151-001 Revision: W
Action
Remove the brake release board from the
bracket by removing the four attachment
screws.
Action
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
Connect the connectors X8, X9 and X10 to the
brake release board.
Be careful not to damage the sockets or pins.
Make sure the connector and its locking arms
are snapped down properly.
Fasten the brake release board on the bracket
with the attachment screws.
Make sure the board is positioned as straight
as possible on the bracket! The push buttons
can otherwise get jammed when the SMB
cover is refitted.
Put the SMB/BU unit carefully back into its box
and refit its attachment screws.
Verify that the robot cabling is positioned cor-
rectly, according to previously taken pic-
ture/notes.
WARNING
Screened cables must not get in contact with
the brake release board after installation.
Eliminate all risks of contact between screened
cables and the brake release board.
WARNING
Before continuing any service work, follow the
safety procedure in The brake release buttons
may be jammed after service work on page
Refit the push button guard to the SMB cover.
Refit the cover, push button guard.
© Copyright 2006-2020 ABB. All rights reserved.
4.5.2 Replacing the brake release board
Note
Note
60.
X8
X9
xx1700000978
Maximum tightening torque: 5 Nm.
Shown in the figure
release board on page
Art. no. is specified in
ment on page 233.
179.
Shown in the figure
release board on page
Continues on next page
4 Repair
Continued
X10
Location of brake
233.
Required equip-
Location of brake
233.
235