ABB IRB 7600 - 500/2.55 Product Manual page 257

3HAC022033-001 Revision: E
Action
2. Fit the two guide pins, sealing axis 2/3 in two of the
attachment screw holes on gearbox 3, see figure to
the right.
Guide the new sealing, axis 2/3 into position with
the guide pins, on gearbox 3.
3.
CAUTION!
The complete upper arm weighs 450 kg without any
additional equipment fitted! Use a suitable lifting
device to avoid injury to personnel!
4. Fit the lifting eye to the attachment hole in the wrist
unit.
5. Fit one of the pieces included in the lifting device,
upper arm to the attachment holes for lifting device,
upper arm using the included attachment screws.
6. Run the lifting chain from the rear lifting point
through the overhead crane hook, through the
hoisting block to the lifting eye in the front.
7. Use the hoisting block to adjust the tension in the
chain in order to lift the upper arm completely level.
8. Lift the upper arm and move it to its mounting
position.
9. Fit the three washers to be placed beneath the
attachment screws.
4.4.3. Replacement of complete upper arm
Note/Illustration
Always use a new sealing when
reassembling!
Art. no. is specified in
equipment on page
xx0200000125
A. Holes for guide pins in the
gearbox.
Shown in the figure
upper arm on page
Art. no. is specified in
equipment on page
Shown in the figure
upper arm on page
Art. no. is specified in
equipment on page
Art. no. is specified in
equipment on page
Make sure the washers are not
scarred or pitted in the surface
facing the screw heads. If both
washer sides are damaged,
replace the washer. Art. no. is
specified in Required equipment
on page 253.
Continues on next page
4 Repair
Continued
Required
253.
Location of
252.
Required
253.
Location of
252.
Required
253.
Required
253.
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