4 Repair
4.6.3. Replacement of motor, axis 3
315
3HAC026876-001 Revision: C
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4. Remove any equipment hindering access to motor
axis 3.
5. Remove the cover on top of the motor by
unscrewing its four attachment screws.
6. Remove the cable gland cover at the cable exit by
unscrewing its two securing screws.
Shown in the figure
.
Make sure the gasket is not
damaged!
7. Disconnect all connectors beneath the motor cover.
8.
DANGER!
Secure the weight of the upper arm properly before
releasing the brakes of motor, axis 3.
When releasing the holding brakes of the motor, the
upper arm will be movable and may fall down!
9. Release the brake by connecting the 24 VDC power
supply.
Connect to connector R2.MP3
•
+: pin 2
•
-: pin 5
10. Unscrew the motors four attachment screws and
plain washers .
Shown in the figure
.
11. Fit the two guide pins in two of the motor attachment
screw holes.
Art. no. is specified in
12. Press the motor out of position by fitting removal
tool, motor to the remaining motor attachment
screw holes.
Art. no. is specified in
Always use the removal tools in
pairs!
13. Apply the lifting tool, motor axis 2 ,3, 4 to the motor. Art. no. is specified in
14.
CAUTION!
The motor weighs 27 kg! All lifting equipment used
must be sized accordingly!
15. Lift the motor to get the pinion away from the gear.
16. Remove the motor by gently lifting it straight out and
disconnect the brake release voltage.
Make sure the motor pinion is not
damaged!
Action
Note
Continued
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