ABB IRB 6640 - 180/2.55 Product Manual page 280

4 Repair
4.5.2. Replacement of brake release unit
Continued
Removal, brake release unit
The procedure below details how to remove the brake release unit.
278
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. Remove the push button guard from the SMB
cover.
4. Let the battery stay connected, to avoid the
need of synchronization of the robot!
5. Disconnect the connectors X8, X9 and X10
from the brake release unit.
6. Remove the brake release unit from the
bracket by removing the four attachment
screws.
Note
Shown in the figure Location of brake
release unit on page 277.
The guard must be removed to ensure a
correct refitting of the brake release unit.
Shown in the figure Location of brake
release unit on page 277.
xx0200000129
• A: Connector X8
• B: Connector X9
• C: Connector X10
• D: Push buttons
Location of brake release unit is shown
in the figure Location of brake release
unit on page 277.
Continues on next page
3HAC026876-001 Revision: C