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Note
Action
Place the gearbox unit with the lower arm
side downwards on a suitable workbench.
4
Clean the mating surfaces of the base and
of the gearbox unit with isopropanol.
5
Shown in the figure
Fit a small amount of Loctite 574 on the
mating surface in the gearbox unit.
6
Shown in the figure
Fit the base to the gearbox unit and secure
it with the
attachment screws
and the
washer.
7
20 pcs, tightening torque: 35 Nm ± 3 Nm.
Shown in the figure
.
Refit the
bottom plate
and secure it with its
attachment screws
.
8
Fit the
lifting slings
to the base/gearbox unit,
turn it right side up and move it to the install-
ation site.
9
Attachment bolts and the tightening
torque are specified in section
Secure the base to the foundation
10
Detailed in section
Refit the lower arm.
11
Detailed in section
.
Refit the upper arm.
12
Detailed in section
measurement unit and the battery pack
on page 167
.
Refit the serial measurement board.
13
Detailed in section
Refit the cable harness.
14
Detailed in sections:
•
Replacement of motor, axis 1 on
page 177
•
Refitting, motor axis 2 on page 184
Refit the motors, axes 1 and 2.
15
Detailed in section
.
Perform a leak-down test.
16
See,
Technical reference manual - Lubric-
ation in gearboxes
.
Fill the two gearboxes with oil.
17
Seal and paint the joints that have been
opened. See
Cut the paint or surface on the
robot before replacing parts on page 118
Note
After all repair work, wipe the robot free
from particles with spirit on a lint free cloth.
18
Pendulum Calibration is described in
Op-
erating manual - Calibration Pendulum
,
enclosed with the calibration tools.
Recalibrate the robot.
19
General calibration information is included
in section
Continues on next page
Product manual - IRB 140
211
3HAC027400-001 Revision: V
© Copyright 2004-2018 ABB. All rights reserved.
4 Repair
4.8.1 Replacement of gearbox, axes 1-2 and damper, axis 1
Continued
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