4 Repair
4.6.2. Replacement of motor axis 2
3453HAC023082-001 Revision: E
© Copyright 2004-2008 ABB. All rights reserved.
2.
DANGER!
Turn off all electric power, hydraulic and pneumatic
pressure supplies to the robot!
For Foundry Prime robots: Do not turn off the air
pressure to motors and SMB.
3. Lock the lower arm by inserting the lock screw into
the hole.
Art. no. and dimension is specified
in Required equipment on page
343!
4. Drain the oil from gearbox, axis 2. Detailed in section Oil change,
gearbox axis 2 on page 185.
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 343!
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 343!
Shown in the figure Location of
motor on page 343!
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 343!
Shown in the figure Location of
motor on page 343!
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 343!
Action Note
Continued
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