4 Repair
4.7.2. Replacement of gearbox axis 2
3933HAC023082-001 Revision: E
© Copyright 2004-2008 ABB. All rights reserved.
Removal, gearbox axis 2
The procedure below details how to remove the gearbox, axis 2.
Action Note/Illustration
1.
DANGER!
Turn off all electric power, hydraulic and pneumatic
pressure supplies to the robot!
For Foundry Prime robots: Do not turn off the air
pressure to motors and SMB.
2. Secure the lower arm with the special fixture
equipment according to section Securing the lower
arm on page 305.
3. Unload the balancing device shaft by using the press
tool, balancing device, according to section
Unloading the balancing device on page 331!
Art. no. is specified in Required
equipment on page 392!
4. Drain the gearbox, axis 2. Notice! Time-consuming activity!
Detailed in section Oil change,
gearbox axis 2 on page 185.
5. Remove the motor, axis 2. Detailed in section Removal,
motor on page 344.
6. Remove the rear attachment screws, gearbox from
inside of the lower arm.
Shown in the figure Location of
gearbox on page 391!
7. Remove the cover, axis 2 by unscrewing its 14
attachment screws.
Shown in the figure Location of
gearbox on page 391!
8. Remove the front attachment screws, gearbox,
shown in the figure to the right.
xx0300000550
• A: Front attachment
screws, gearbox (32 pcs)
• B: M12 holes for pressing
the gearbox out
9. Fit two guide pins in 180° relation to each other in the
empty holes of the front gearbox attachment screws.
Art. no. is specified in Required
equipment on page 392!
10. If required, apply two M12 screws to the holes,
shown in the figure above, to press it free.
Continued
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