ABB IRB 6600 - 175/2.55 User Manual page 486

3 Repair activities, manipulator
3.3.2 Refitting of complete lower arm
The lower arm weighs 160 kg! All lifting equipment used must be dimensioned accordingly!
Step
70
Action
1. Fit a new VK-cover on a new lower arm
or replace the existing if damaged.
2. Fit two guidings in the attachment holes
of the lower arm.
3. Fit the new sealing, axis 2/3 on the
guidings.
4. Apply the lifting tool to the lower arm.
5. Lift the lower arm and run it to its mount-
ing position.
6. In case the holes of the lower arm and
the ones of the gearbox axis 2 doesn´t
match, use power supply to release the
motor axis 2 brakes and rotate the pin-
ion and gear with the rotational tool.
7. Secure the lower arm with 31 of the 33
attachment screws and washers in
gearbox 2.
A
Note/Illustration
Part no. specified in Required equipment
on page 69!
Art no. specified in Required equipment
on page 69!
xx0200000262
A: Attachment holes for the two guidings
Always use a new sealing when reassem-
bling!
Art no. specified in Required equipment
on page 69!
Art no. specified in Required equipment
on page 69!
Connect power supply to connector
R2.MP2
• +: pin 2
• -: pin 5
xx0200000165
The rotation tool (A) is used beneath the
motor cover, directly on the motor shaft as
shown in figure above.
Art no. specified in Required equipment
on page 69!
33 pcs: M12 x 50, 12.9 quality UNBRAKO,
tightening torque: 120 Nm.
Reused screws may be used, providing
they are lubricated as detailed in Screw
joints on page 15 before fitting.
Shown in the figure Attachment points,
lower arm on page 68!
A
A
3HAC 16247-1