ABB IRB 7600 - 500/2.55 Product Manual page 379

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Removal, wheel unit
The procedure below details how to remove the wheel unit.
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3HAC022033-001 Revision: M
Action
Drain the oil from the primary gearbox.
Drain the oil from the secondary gearbox.
Remove the motor, axis 5.
Remove the cover, axis 5 gearbox by unscrewing its
attachment screws.
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.
Remove the wheel unit.
Remove the gearbox, axis 5 by unscrewing its attach-
ment screws and removing the washers.
Apply two lifting eyes to the gearbox, axis 5, in op-
posite positions.
Remove the gearbox by gently lifting it straight out.
Remove the friction washers, located beneath the
gearbox, from the wrist housing.
Action
Drain the oil from the secondary gearbox.
Remove the cover, axis 5 gearbox by unscrewing
its attachment screws.
Make a short cut in the center of the VK-cover
and remove it from the wheel unit by bending it
off.
Unscrew the attachment screws, bearing washer
located beneath gear Z4.
Turn the gear Z4 in order to reach all the srews.
© Copyright 2007-2013 ABB. All rights reserved.
4.7.5 Replacement of gearbox, axis 5
Note
Detailed in section
gearbox, axis 5 on page
Detailed in section
gearbox, axis 5 on page
Detailed in section
of motor, axis 5 on page
Shown in the figure
gearbox on page
Shown in the figure
gearbox on page
6 pcs: M16 x 60.
9 pcs: M12 x 50.
Detailed in following section
(Removal, wheel unit on
page 379).
Shown in the figure
gearbox on page
18 pcs: M10 x 40.
Art. no. is specified in
equipment on page
Note
Detailed in section
gearbox, axis 5 on page
Shown in the figure
gearbox on page 377!
Shown in the figure
gearbox on page 377!
Note
Avoid damaging screws or surfaces
beneath, when removing the cover!
Shown in the figure
gearbox on page 377
ure below!
7 pcs: M6 x 16.
Continues on next page
4 Repair
Continued
Oil change,
208.
Oil change,
208.
Replacement
338.
Location of
377!
Location of
377!
Location of
377!
Required
378!
Oil change,
208.
Location of
Location of
Location of
and in the fig-
379