ABB IRB 140 type C Product Manual page 160

4 Repair
4.7.1. Replacement of gearbox, axes 1-2 and damper, axis 1
Continued
Removal of damper, axis 1
The procedure below details how to remove the damper, axis 1.
Refitting of damper, axis 1
The procedure below details how to refit the damper, axis 1.
Refitting, gearbox unit axes 1-2
The procedure below details how to refit the complete gearbox unit, axes 1-2.
158
Action
1. Open the base of the robot.
2. Remove the damper, axis 1.
Action
1. Fit the damper, axis 1.
2. Proceed with assembling the robot.
Action
1.
DANGER!
Turn off all electric power, hydraulic and
pneumatic pressure supplies to the robot!
2.
CAUTION!
The gearbox unit weighs 39 kg! All lifting
equipment used must be sized accordingly!
3. Place the gearbox unit with the lower arm
side downwards on a suitable workbench.
4. Clean the mating surfaces of the base and
of the gearbox unit with isopropanol.
5. Fit a small amount of Loctite 574 on the
mating surface in the gearbox unit.
6. Fit the base to the gearbox unit and secure
it with the attachment screws and the
washer.
7. Refit the bottom plate and secure it with its
attachment screws.
8. Fit the lifting slings to the base/gearbox unit,
turn it right side up and move it to the
installation site.
Note
Detailed in section Removal, gearbox unit
axes 1-2 on page 157.
Note
Shown in the figure Refitting, gearbox unit
axes 1-2 on page 158.
Detailed in section Refitting, gearbox unit
axes 1-2 on page 158.
Note
Shown in the figure Illustration, base on
page 156.
Shown in the figure Illustration, base on
page 156.
20 pcs, tightening torque: 35 Nm ± 3 Nm.
Shown in the figure Location of gearbox
unit, axes 1-2 on page 155.
Continues on next page
3HAC027400-001 Revision: C