4 Repair
4.7.3. Replacement of gearbox, axis 3
3HAC022033-001 Revision: K382
© Copyright 2004-2011 ABB. All rights reserved.
Removal, gearbox axis 3
The procedure below details how to remove gearbox, axis 3.
Action Note
1.
DANGER!
Turn off all electric power,
hydraulic and pneumatic pressure
supplies to the robot!
Turn off all electric power and
hydraulic but not the air pressure
to the gearboxes, motors and
SMB.
2. Secure the upper arm in a
horizontal position using round
slings.
Art. no. is specified in Required equipment on page
381.
3. Remove the motor, axis 3. Detailed in section Removal, motor on page 343.
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
284.
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
381.
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
380.
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
381.
Continued
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