ABB IRB 7600 - 500/2.55 Product Manual page 274

4 Repair
4.5.2. Replacement of brake release unit
Continued
Equipment, etc.
Other tools and
procedures may be
required. See references
to these procedures in the
step-by-step instructions
below.
Removal of brake release unit, located at base
The procedure below details how to remove the brake release unit, located at the rear of the
base. See the figure
Removal of brake release unit, located on frame
The procedure below details how to remove the brake release unit, located on the side of the
frame. See the figure
272
Spare part no.
Location of brake release unit, base on page
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 38
3. Remove the cover at the rear of the base.
4. Unscrew the four attachment screws, brake release
circuit on the outside of the base.
5. Disconnect the cable from the brake release circuit
and remove the circuit from the base.
Location of brake release unit, frame on page
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.
Note
These procedures include references to the
tools required.
270.
Note
Shown in the figure
brake release unit, base on page
270.
271.
Note
Continues on next page
3HAC022033-001 Revision: E
Location of