4 Repair
4.7.3. Replacement of gearbox, axis 3
3HAC020993-001 Revision: G
358
©
Co
py
rig
h
t 200
4-
200
8 ABB. All righ
ts reser
v
ed.
6. Make sure the
o-rings
are fitted to the gearbox.
Apply
grease
to the o-rings to make sure they
stick in their grooves during assembly.
Make sure the o-ring is fitted to the rear of the
gearbox. Apply grease to it to make sure it sticks
in its groove during assembly!
xx0200000173
•
A: O-ring, gearbox axis 3
7. Lift the gearbox to its mounting position.
8. Turn the gearbox to align the attachment screw
holes with those in the upper arm.
9. Fit the gearbox onto the guide pins and slide it into
position.
Make sure the o-rings are seated
properly and the gearbox correctly
oriented!
10. Remove the lifting tool.
11. Secure the gearbox with 22 of the 24 gearbox
attachment screws.
Remove the guide pins and tighten the remaining
two screws.
24 pcs: M12 x 60.
Tightening torque: 115 Nm.
Reused screws may be used,
providing they are lubricated as
detailed in section
before fitting.
12. Refit the upper arm with a new
sealing, axis 2/3
Detailed in section
13. Refit the motor.
Detailed in section
14. Remove the mechanical stop used to secure the
upper arm.
15. Recalibrate the robot!
Calibration is detailed in a separate
calibration manual, enclosed with
the calibration tools.
General calibration information is
included in section
.
Action
Note/Illustration
Continued
Continues on next page