4 Repair
4.7.3. Replacement of gearbox, axis 3
365
3HAC026876-001 Revision: C
© Copyri
ght
200
6-2008 ABB.
All rights reserved.
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!
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 . Art. no. is specified in
Detailed in section
13. Refit the motor.
Detailed in section
14. Remove the mechanical stop used to secure the
upper arm.
Action
Note
Continued
Continues on next page