ABB IRB 6640 - 180/2.55 Product Manual page 365

3HAC026876-001 Revision: C
Action
2. Secure the upper arm in a horizontal position
using a mechanical stop.
Fit the mechanical stop to the third and final
attachment hole, below the fixed mechanical stop
in the upper arm, shown in the figure to the right.
Tightening torqure: 115 Nm.
3. Remove the motor, axis 3.
4. Remove the upper arm.
5. Remove the sealing, axis 2/3 between the
gearbox and lower arm.
6. Place the upper arm safely on a workbench, in a
fixture or similar.
7. Remove the attachment screws, gearbox.
8. Fit the two guide pins in 180° relation to each
other in the gearbox attachment screw holes.
4.7.3. Replacement of gearbox, axis 3
Note
Art. no. is specified in
equipment on page
xx0300000051
• A: Third and final attachment
hole
• B: Fixed mechanical stop
Detailed in section Removal, motor
on page 314.
NOTE!
When removing the motor axis 3,
the brake on axis 3 is released.
Make sure the upper arm is secured
and disabled to move!
Detailed in section Removal, upper
arm on page 261.
On reassembly a new sealing must
be used! Art. no. is specified in
Required equipment on page
Shown in the figure
gearbox on page 361.
Art. no. is specified in
equipment on page
Continues on next page
4 Repair
Continued
Required
361.
361.
Location of
Required
361.
363