ABB IRB 6640 - 180/2.55 Product Manual page 367

10. Remove the lifting tool.
12. Refit the upper arm with a new sealing, axis 2/3 . Art. no. is specified in
13. Refit the motor.
14. Remove the mechanical stop used to secure the
3HAC026876-001 Revision: C
Action
4.
CAUTION!
The gearbox weighs 60 kg! All lifting equipment
used must be sized accordingly!
5. Fit the lifting eye to the gearbox.
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.
Replace if damaged!
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.
11. Secure the gearbox with 22 of the 24 gearbox
attachment screws.
Remove the guide pins and tighten the remaining
two screws.
upper arm.
4.7.3. Replacement of gearbox, axis 3
Note
Art. no. is specified in
equipment on page 361.
Art. no. is specified in
equipment on page 361.
xx0200000173
• A: O-ring, gearbox axis 3
Make sure the o-rings are seated
properly and the gearbox correctly
oriented!
24 pcs: M12 x 60.
Tightening torque: 115 Nm.
Reused screws may be used,
providing they are lubricated as
detailed in section Screw joints on
page 390 before fitting.
equipment on page 361.
Detailed in section Refitting, upper
arm on page 263.
Detailed in section Refitting, motor
on page 316.
Continues on next page
4 Repair
Continued
Required
Required
Required
365