4 Repair
4.6.2. Replacement of motor axis 2
3HAC020993-001 Revision: G308
© Copyright 2004-2008 ABB. All rights reserved.
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 attachment screws.
Shown in the figure Location of
motor on page 306!
Make sure the gasket is not
damaged!
7. Disconnect all connectors beneath the motor
cover.
8.
DANGER!
Secure the weight of the lower arm properly before
releasing the brakes of motor, axis 2!
When releasing the holding brakes of the motor,
the lower arm will be movable and may fall down!
Use the lock screw to lock the lower
arm, as detailed above!
9. In order to release the brake, connect the 24 VDC
power supply.
Connect to connector R2.MP2
• +: pin 2
• -: pin 5
10. Remove the motor by unscrewing its four
attachment screws and plain washers.
11. Fit the two guide pins in two of the motor
attachment holes.
Art. no. is specified in Required
equipment on page 306!
Shown in the figure Location of
motor on page 306!
12. If required, press the motor out of position by fitting
the removal tool, motor to the remaining motor
attachment holes.
Art. no. is specified in Required
equipment on page 306!
Shown in the figure Location of
motor on page 306!
Always use the removal tools in
pairs!
13. Remove the removal tools and fit the lifting tool,
motor axis 2, 3, 4 to the motor.
Art. no. is specified in Required
equipment on page 306!
14.
CAUTION!
The motor weighs 32 kg! All lifting equipment used
must be sized accordingly!
15. Lift the motor to get the pinion away from the gear. Make sure the motor pinion does
not get damaged!
16. Remove the motor by gently lifting it straight out
and place it on a secure surface. Disconnect the
brake release voltage.
Action Note
Continued
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