ABB IRB 6660 - 130/3.1 Product Manual page 198

4 Repair
4.4.3. Replacement of upper arm
Continued
196
Action
7. Refit the sealing ring (F) on the shaft.
8. Refit the bearing (G) on the shaft with the
pressing tool, upper arm.
9. 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.
10. Fit the o-ring (L) on the sealing assembly (J)
and refit the sealing assembly on the shaft.
11. Apply locking liquid on the lock nut (K) and
refit it.
12. The refit the axis 2 side in the same order
with the exception of the lock nut (K).
13. Apply locking liquid on the lock nut (K) and
refit it.
NOTE!
The order of the tightening torques is very
important!
NOTE!
The fitting of the lock nut on axis 2 is
performed 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.
14. Apply locking liquid in the holes for the set
screws (C) and fit the screws.
15. Wipe residual grease from the shafts.
Note
Shown in the figure View of the assembly
of the upper arm components on page
190.
Shown in the figure View of the assembly
of the upper arm components on page
190.
Shown in the figure View of the assembly
of the upper arm components on page
190.
Shown in the figure View of the assembly
of the upper arm components on page
190.
Shown in the figure View of the assembly
of the upper arm components on page
190.
Loctite 243.
Tightening torque 90 Nm.
Follow the steps for refitting shaft axis 3
above.
Shown in the figure View of the assembly
of the upper arm components on page
190.
Shown in the figure View of the assembly
of the upper arm components on page
190.
Loctite 243.
Tightening torque the first time: 300 Nm
Tightening torque the second time: 90
Nm
Shown in the figure View of the assembly
of the upper arm components on page
190
Loctite 243.
Tightening torque: 35 Nm.
Continues on next page
3HAC028197-001 Revision: A