ABB IRB 760 Series Product Manual page 331

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