4 Repair
4.7.3. Replacement of gearbox, axis 3
3653HAC026876-001 Revision: C
© Copyright 2006-2008 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. Art. no. is specified in Required
equipment on page 361.
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!
Art. no. is specified in Required
equipment on page 361.
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 Screw joints on
page 390 before fitting.
12. Refit the upper arm with a new sealing, axis 2/3 . Art. no. is specified in Required
equipment on page 361.
Detailed in section Refitting, upper
arm on page 263.
13. Refit the motor. Detailed in section Refitting, motor
on page 316.
14. Remove the mechanical stop used to secure the
upper arm.
Action Note
Continued
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