4 Repair
4.4.2. Replacement of complete wrist unit
3HAC020993-001 Revision: G
246
©
Co
py
rig
h
t 200
4-
200
8 ABB. All righ
ts reser
v
ed.
Removal, wrist unit
The procedure below details how to remove the complete wrist unit.
Guide pins M12 x 200
3HAC13056-3
Always use guide pins in
pairs!
Lifting tool, wrist unit
3HAC 13605-1
Standard toolkit
-
The contents are defined
in section
in part 2 of the
Product manual.
Other tools and
procedures may be
required. See references
to these procedures in the
step-by-step instructions
below.
These procedures include
references to the tools
required.
Circuit diagram
See chapter
Circuit
diagram
in the
Product
manual, reference infor-
mation
.
Equipment etc.
Spare part no. Art. no.
Note
Action
Note/Illustration
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. Remove all equipment fitted to the turning disk.
3. Turn axis 4 to a position where the
cover, upper
arm tube and wrist unit,
faces upwards. Also turn
axis 5 so that the turning disk faces to the side in
order to allow access to the motor 6 cover.
Shown in the figure
!
4. Remove the
cover, wrist unit
.
Shown in the figure
!
5. Remove the
cover, upper arm tube.
Shown in the figure
!
6. Remove the cover of motor, axis 6 and disconnect
all connectors beneath.
Continued
Continues on next page