ABB IRB 7600 Series, Product Manual

Page: 363 / 480

4 Repair
4.6.6. Replacement of motor, axis 6
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Refitting, motor
The procedure below details how to refit motor, axis 6.
3. In horizontal position: drain the oil from the axis 6
gearbox.
Detailed in section Draining, oil,
gearbox axis 6 on page 216 .
4. Remove the rear motor cover by unscrewing the five
attachment screws.
5. Disconnect all connectors beneath the cover.
6. In order to release the brake, connect the 24 VDC
power supply.
Connect to connector R3.MP6
• +: pin 2
• -: pin 5
7. Remove the motor by unscrewing its four
attachment screws and plain washers.
If required, use the extension 300mm for bits 1/2".
Art. no. is specified in Required
equipment on page 359 .
8. If required, press the motor out of position by fitting
removal tool, motor to the motor attachment screw
holes.
Art. no. is specified in Required
equipment on page 359 .
Always use the removal tools in
pairs!
9. Lift the motor carefully to get the pinion away from
the gear and disconnect the brake release voltage.
Make sure the motor pinion is not
damaged!
10. Remove the motor by gently lifting it straight out.
Action Note
Action Note
1. Make sure the o-ring on the circumference of the
motor is seated properly. Lightly lubricate the o-
ring with
grease.
Art. no. is specified in Required
equipment on page 359 .
2. In order to release the brake, connect the 24
VDC power supply.
Connect to connector R3.MP6
• +: pin 2
• -: pin 5
3. Fit the two guide pins in two of the motor
attachment holes.
Art. no. is specified in Required
equipment on page 359 .
4. Fit the motor, with guidance from the pins,
making sure the motor pinion is properly mated
to the gear of gearbox, axis 6.
Make sure the pinion on the motor
shaft is not damaged!
5. Remove the guide pins.
6. Secure the motor with its four attachment screws
and plain washers.
If required, use extension 300mm for bits 1/2" .
4 pcs: M8 x 25, tightening torque: 24
Nm.
Art. no. is specified in Required
equipment on page 359 .
7. Disconnect the brake release voltage.
8. Reconnect all connectors beneath the motor
cover.
9. Refit the cover on top of the motor with its five
attachment screws.
Make sure the cover is tightly sealed!
10. Perform a leak-down test (if the gearbox has
been drained).
Detailed in section Performing a
leak-down test on page 246 .
11. Refill the gearbox with oil, if it has been drained. Detailed in section Filling, oil,
gearbox axis 6 on page 217 .
Continued
Continues on next page
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