4 Repair
4.7.3. Replacement of gearbox, axis 3
4013HAC023082-001 Revision: E
© Copyright 2004-2008 ABB. All rights reserved.
2. Secure the upper arm in a horizontal position
using a mechanical stop.
Fit the mechanical stop to the third and final
attachment hole (A), below the fixed mechanical
stop (B) in the upper arm, shown in the figure to
the right.
Tightening torqure: 115 Nm.
Art. no. is specified in Required
equipment on page 399.
xx0300000051
3. Remove the motor, axis 3. Detailed in section Removal, motor
on page 352.
Note! When removing the motor
axis 3, the brake on axis 3 is
released. Make sure the upper arm
is secured and disabled to move!
4. Remove the upper arm. Detailed in section Removal, upper
arm on page 287.
5. Remove the sealing, axis 2/3 between the
gearbox and lower arm.
On reassembly a new sealing must
be used! Art. no. is specified in
Required equipment on page 399.
6. Place the upper arm safely on a workbench, in a
fixture or similar.
7. Remove the attachment screws, gearbox. Shown in the figure Location of
gearbox on page 399!
8. Fit the two guide pins in 180° relation to each
other in the gearbox attachment screw holes.
Art. no. is specified in Required
equipment on page 399!
9. Fit the lifting eye to the gearbox, in one of the
attachment screw holes that attaches the gearbox
to the lower arm (position C in the figure to the
right).
If required, use screws in the holes (A) shown in
the figure to the right to press the gearbox free.
Art. no. is specified in Required
equipment on page 399!
xx0200000201
• A: M12 holes for pressing
the gearbox out
• B: Attachment screw holes,
gearbox - upper arm
• C: Attachment screw holes,
gearbox - lower arm
Action Note/Illustration
Continued
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