ABB IRB 660 Product Manual page 197

3
Refitting, upper arm
The procedure below details how to refit the upper arm.
1
2
Product manual - IRB 660
3HAC025755-001 Revision: W
Action
Install two support rings to the upper arm:
1 Fit a support ring to the press tool and
lubricate with grease for easier as-
sembly.
2 Press in the support ring to the upper
arm housing by screwing on the press
tool assembly. Tighten with 120 Nm.
3 Remove the press tool. The support
ring is now fitted to the upper arm
housing.
4 Repeat the procedure on the other
side.
CAUTION
If the support ring is mounted askew, there
is a risk of play between the shaft and the
upper arm. Make sure the support rings are
aligned correctly (level) inside the upper arm
housing.
Action
Secure the upper arm with roundslings in
an overhead crane.
CAUTION
The complete upper arm with weighs 170
kg (without any additional equipment fitted).
Use a suitable lifting accessory to avoid in-
jury to personnel!
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4.4.3 Replacement of upper arm
Note
Art. no. is specified Required equipment
on page 193
xx1900001713
xx1900001714
xx1900001205
Note
Continues on next page
4 Repair
Continued
197