Removal, axis-2 / axis-3 gearbox
Use this procedure to remove the axis-2 or axis-3 gearbox.
Note
Do not replace both gearboxes at the same time, unless the complete arm system
is already removed!
NoteAction
Decide which calibration routine to use, and
take actions accordingly prior to beginning
the repair procedure.
1
When removing axis 2 gearbox: Run the
axis 2 to -42° and all other axes to 0° (cal-
ibration position).
2
When removing axis 3 gearbox: Run the
axis 2 to -40°, axis 3 to +15° and all other
axes to 0°.
Axis 2:
xx1100000623
When removing axis 2 gearbox: Remove
all screws in the lower screw area on the
inside of the lower arm (7 pcs M12, 2 pcs
M16). See figure.
When removing axis 3 gearbox: Remove
all screws in the upper front screw area and
three screws in the upper back area.
3
Axis 3:
xx1100000624
Put two loading pallets on the foot of the
robot and run axis 3 so that the balancing
weight is put onto the pallets.
4
Run axis 2 to 0°.5
Continues on next page
Product manual - IRB 760 331
3HAC039838-001 Revision: M
© Copyright 2011-2018 ABB. All rights reserved.
4 Repair
4.7.2 Replacing the gearbox, axes 2- 3
Continued
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