4 Repair
4.7.5. Replacement of gearbox, axis 5
3933HAC022033-001 Revision: K
© Copyright 2004-2011 ABB. All rights reserved.
Removal, wheel unit
The procedure below details how to remove the wheel unit.
4. Remove the motor, axis 5. Detailed in section Replacement
of motor, axis 5 on page 355.
5. Remove the cover, axis 5 gearbox by unscrewing its
attachment screws.
Shown in the figure Location of
gearbox on page 391!
6. Remove gear Z3 from the gearbox by unscrewing its
attachment screws (let axis 6 turn to the stop).
If necessary, insert screws into the three holes in gear
Z3 to remove it.
Shown in the figure Location of
gearbox on page 391!
6 pcs: M16 x 60.
9 pcs: M12 x 50.
7. Remove the wheel unit. Detailed in following section
(Removal, wheel unit on page
393).
8. Remove the gearbox, axis 5 by unscrewing its
attachment screws and removing the washers.
Shown in the figure Location of
gearbox on page 391!
18 pcs: M10 x 40.
9. Apply two lifting eyes to the gearbox, axis 5, in
opposite positions.
Art. no. is specified in Required
equipment on page 392!
10. Remove the gearbox by gently lifting it straight out.
11. Remove the friction washers, located beneath the
gearbox, from the wrist housing.
Action Note
Action Note
1. Drain the oil from the secondary gearbox. Detailed in section Oil change,
gearbox, axis 5 on page 212.
2. Remove the cover, axis 5 gearbox by unscrewing
its attachment screws.
Shown in the figure Location of
gearbox on page 391!
3. Make a short cut in the center of the VK-cover and
remove it from the wheel unit by bending it off.
Shown in the figure Location of
gearbox on page 391!
NOTE!
Avoid damaging screws or surfaces
beneath, when removing the cover!
4. Unscrew the attachment screws, bearing washer
located beneath gear Z4.
Turn the gear Z4 in order to reach all the srews.
Shown in the figure Location of
gearbox on page 391 and in the
figure below!
7 pcs: M6 x 16.
Continued
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