4 Repair
4.7.3. Replacement of gearbox, axis 3
363
3HAC026876-001 Revision: C
© Copyri
ght
200
6-2008 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
.
xx0300000051
•
A: Third and final attachment
hole
•
B: Fixed mechanical stop
3. Remove the motor, axis 3.
.
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.
.
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
.
8. Fit the two guide pins in 180° relation to each
other in the gearbox attachment screw holes.
Art. no. is specified in
.
Action
Note
Continued
Continues on next page
Содержание IRB 6640 - 130/3.2
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