4 Repair
4.8.1. Replacement of gearbox, axis 1-3
3HAC026048-001 Revision: A170
© Copyright 2006-2008 ABB. All rights reserved.
Removal, gearbox axis 1-3
The procedure below details how to remove the gearbox, axis 1-3.
Other tools and procedures
may be required. See
references to these
procedures in the step-by-
step instructions below.
These procedures include
references to the tools
required.
Equipment Spare part no. Art. no. Note
Action Note
1.
-
Danger!
Turn off all electric power, hydraulic and pneumatic
pressure supplies to the robot!
2. Remove the cable unit, axes 1-3. Detailed in section Removal, cable
unit, axes 1-3 on page 91.
3. Remove the complete lower arm. Detailed in section Removal, lower
arm on page 135.
4. Remove the motor, axis 1. Detailed in section Removal,
motor axis 1 on page 152.
5. Remove the motor, axis 2. Detailed in section Removal,
motor axis 2 on page 157.
6. Remove the motor, axis 3. Detailed in section Removal,
motor axis 3 on page 162.
7.
-
Caution!
The complete gearbox unit weighs 200 kg (without
the base)! All lifting equipment used must be sized
accordingly!
8. Place the remaining parts of the robot upside-down
on a table or similar surface and remove the
bottom plate.
9. Undo the 12 attachment screws.
10. Lift away the base from the gearbox unit.
Continued
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