4 Repair
4.7.3. Replacement of gearbox, axis 3
3633HAC026876-001 Revision: C
© Copyright 2006-2008 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, below the fixed mechanical stop
in the upper arm, shown in the figure to the right.
Tightening torqure: 115 Nm.
Art. no. is specified in Required
equipment on page 361.
xx0300000051
• A: Third and final attachment
hole
• B: Fixed mechanical stop
3. Remove the motor, axis 3. Detailed in section Removal, motor
on page 314.
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 261.
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 361.
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 361.
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 361.
Action Note
Continued
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