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4 Repair
4.7.2 Replacement of gearbox axis 2
Continued
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374
Action
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 inser-
ted too far into the gear!
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.
Remove the lifting tool from the gearbox.
Insert and secure 30 of the 32 front attachment
screws, gearbox.
Remove the guide pins, M12 and refit the two
remaining screws.
Lubricate the o-ring at the sealing surface of
the cover, axis 2. Replace it if damaged.
Refit the cover, axis 2 to the frame with the
attachment screws, cover.
Insert and secure 16 of the 18rear attachment
screws, gearbox on the inside of the lower
arm.
Remove the guide pins, sealing axis 2/3, and
tighten the two remaining screws as detailed
above.
Refit the motor.
Perform a leak-down test.
Refill the gearbox with oil.
Restore the balancing device.
Remove the fixture, lower arm.
Remove the locking screw, lower arm, and re-
attach it to the fixture tool.
Refit any mechanical stops if such were re-
moved during disassembly.
Refit any equipment to the turning disk if such
was removed during disassambly.
© Copyright 2004-2018 ABB. All rights reserved.
Note
Art. no. is specified in
Required equip-
ment on page
369!
32 pcs: M12 x 60, tightening torque:
115 Nm.
Art. no. is specified in
Required equip-
ment on page
369.
Shown in the figure
Location of gear-
box on page
368.
Shown in the figure
Location of gear-
box on page
368!
18 pcs: M16 x 50, tightening torque:
300 Nm.
Reused screws may be used, providing
they are lubricated as detailed in sec-
tion
Screw joints on page 431
fitting.
Detailed in section
Refitting, motor on
page
328.
Detailed in section
Performing a leak-
down test on page
212.
Detailed in section
Changing oil, axis-
2 gearbox on page
177.
This is detailed in section
the balancing device using a hydraulic
press tool on page
317.
Product manual - IRB 6650S
3HAC020993-001 Revision: Z
before
Restoring
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