
Note
Action
Shown in the figure
of the upper arm components on page 192
Refit the axis-2 shaft:
1
Carefully refit the
shaft, axis 2
(A) by
hand only.
Do not use force since the threads
can be damaged if fitting is not done
in the correct way.
2
Secure the shaft.
Tightening torque: 800 Nm.
3
Refit the
sealing ring
(F) on the
shaft
.
4
Refit the
bearing
(G) on the
shaft
with
the pressing tool, upper arm.
5
Fit an
o-ring
(H) on the
sealing ring
(I) and fit it on the
shaft
.
Note
The o-ring shall be faced against the
bearing
.
6
Fit the
o-ring
(L) on the
sealing as-
sembly
(J) and refit the
sealing as-
sembly
on the
shaft
.
7
Apply locking liquid (Loctite 243) on
the
lock nut
(K) and refit it using a
KM12 socket
in three steps:
a
Fit the
lock nut
with a tighten-
ing torque of 300 Nm.
b Unscrew the
lock nut
.
c
Fit the
lock nut
once again.
This time with a tightening
torque of 90 Nm.
6
Art. no. is specified
Loctite 243.
Shown in the figure
of the upper arm components on page 192
Apply locking liquid in the holes for the
set
screws
(C) and fit the screws.
7
Loctite 243.
Tightening torque: 35 Nm.
Wipe residual grease from the
shafts
.
8
Detailed in section
Refit the
parallel rod
.
9
Detailed in section
Refit the
cable harness, upper end
.
10
Detailed in section
Refit the
linkage
.
11
Detailed in section
Detailed in section
Detailed in section
Refit the
balancing device
.
12
Pendulum Calibration is described in
Op-
erating manual - Calibration Pendulum
,
enclosed with the calibration tools.
Recalibrate the robot.
13
Axis Calibration is described in
with Axis Calibration method on page 315
General calibration information is included
in section
Continues on next page
Product manual - IRB 660
199
3HAC025755-001 Revision: W
© Copyright 2006-2020 ABB. All rights reserved.
4 Repair
4.4.3 Replacement of upper arm
Continued
Summary of Contents for IRB 660
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