ABB IRB 6650S - 200/3.0, Product Manual

Page: 353 / 477

4 Repair
4.7.2. Replacement of gearbox axis 2
351 3HAC020993-001 Revision: G
©
Co
py
rig
h
t 200
4-
200
8 ABB. All righ
ts reser
v
ed.
8. Lift the gearbox to its mounting position and
slide it onto the guiding pins attached in the
frame, through the front attachment screw
holes.
9. Align the gearbox attachment screw holes to
the hole patterns in the lower arm, with help
from the guide pins, sealing axis 2/3.
If necessary, use a gearbox crank to turn the
gear!
Use the gearbox crank with caution! The
gearbox may be damaged if the crank is
inserted too far into the gear!
Art. no. is specified in Required
equipment on page 346 !
10. Fit the gearbox with guidance from the guide
pins and slide it into position.
If necessary, use the front gearbox attachment
screws to press the gearbox into place.
11. Remove the lifting tool from the gearbox.
12. Insert and secure 30 of the 32 front attachment
screws, gearbox.
Remove the guide pins, M12 and refit the two
remaining screws.
32 pcs: M12 x 60, tightening torque:
115 Nm.
13. Lubricate the o-ring at the sealing surface of
the cover, axis 2. Replace it if damaged.
Art. no. is specified in Required
equipment on page 346 .
14. Refit the cover, axis 2 to the frame with the
attachment screws, cover .
Shown in the figure Location of
gearbox on page 346 .
15. Insert and secure 16 of the 18 rear attachment
screws, gearbox on the inside of the lower arm.
Shown in the figure Location of
gearbox on page 346 !
18 pcs: M16 x 50, tightening torque:
300 Nm.
Reused screws may be used,
providing they are lubricated as
detailed in section
Screw joints on
page 384 before fitting.
16. Remove the guide pins, sealing axis 2/3, and
tighten the two remaining screws as detailed
above.
17. Refit the motor. Detailed in section Refitting, motor on
page 309 .
18. Perform a leak-down test. Detailed in section Performing a leak-
down test on page 200 .
19. Refill the gearbox with oil. Detailed in section Oil change,
gearbox axis 2 on page 160 .
20. Restore the balancing device. Detailed in section Restoring the
balancing device on page 298 !
21. Remove the fixture, lower arm.
22. Remove the locking screw, lower arm, and re-
attach it to the fixture tool.
23. Refit any mechanical stops if such were
removed during disassembly.
24. Refit any equipment to the turning disk if such
was removed during disassambly.
Action Note/Illustration
Continued
Continues on next page