NoteAction
Shown in the figure View of the assembly
of the upper arm components on page 229.
Fit the o-ring (L) on the sealing assembly
(J) and refit the sealing assembly on the
shaft.
10
Shown in the figure View of the assembly
of the upper arm components on page 229.
Apply locking liquid on the lock nut (K) and
refit it.
11
Loctite 243.
Tightening torque 90 Nm.
Follow the steps for refitting shaft axis 3
above.
The refit the axis 2 side in the same order
with the exception of the lock nut (K).
12
Shown in the figure View of the assembly
of the upper arm components on page 229.
Shown in the figure View of the assembly
of the upper arm components on page 229.
Apply locking liquid on the lock nut (K) and
refit it.
Note
The order of the tightening torques is very
important!
13
Loctite 243.
Tightening torque the first time: 300 Nm
Tightening torque the second time: 90
Nm
Note
The fitting of the lock nut on axis 2 is per-
formed in three steps:
1 Fit the lock nut with a tightening
torque of 300 Nm.
2 Unscrew the lock nut.
3 Fit the lock nut once again. This time
with a tightening torque of 90 Nm.
Shown in the figure View of the assembly
of the upper arm components on page 229
Apply locking liquid in the holes for the set
screws (C) and fit the screws.
14
Loctite 243.
Tightening torque: 35 Nm.
Wipe residual grease from the shafts.15
Detailed in section Replacing the parallel
rod on page 238
Refit the parallel rod.16
Detailed in section Replacement of cable
harness, upper end on page 196
Refit the cable harness, upper end.17
Detailed in section Replacing the balan-
cing device on page 266
(Not applicable to the robot variant IRB
6660 - 205/1.9! )
Refit the balancing device.
18
Pendulum Calibration is described in Op-
erating manual - Calibration Pendulum,
enclosed with the calibration tools.
Recalibrate the robot.19
Axis Calibration is described in Calibrating
with Axis Calibration method on page 352.
General calibration information is included
in section Calibration on page 341.
Continues on next page
236 Product manual - IRB 6660
3HAC028197-001 Revision: S
© Copyright 2007-2018 ABB. All rights reserved.
4 Repair
4.4.3 Replacement of upper arm
Continued
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