ABB IRB 6640 - 180/2.55 Product Manual page 281

Refitting, brake release unit
The procedure below details how to refit the brake release unit.
3HAC026876-001 Revision: C
Action
1.
DANGER!
Turn off all electric power, hydraulic and
pneumatic pressure supplies to the robot!
For Foundry Prime robots: Do not turn off the
air pressure to motors and SMB.
2.
esd
WARNING!
The unit is sensitive to ESD, before handling
the unit please observe the safety information
in section WARNING - The unit is sensitive to
ESD! on page 35
3. Fasten the brake release unit on the bracket
with the attachment screws.
Make sure the unit is positioned as straight as
possible on the bracket! The push buttons can
otherwise get jammed when the SMB cover is
refitted.
4. Connect the connectors X8, X9 and X10 to the
brake release unit.
5. Refit the SMB cover with its attachment
screws.
The push button guard must not be mounted
on the cover before the check described below
is made!
4.5.2. Replacement of brake release unit
Note
Shown in the figure Location of brake
release unit on page
Art. no. is specified in
equipment on page 277.
xx0200000129
• A: Connector X8
• B: Connector X9
• C: Connector X10
• D: Push buttons
Shown in the figure Location of brake
release unit on page
Continues on next page
4 Repair
Continued
277.
Required
277.
279