4 Repair
4.6.2. Replacement of motor, axis 2
1833HAC026660-001 Revision: C
© Copyright 2006-2008 ABB. All rights reserved.
Refitting, motor axis 2
The procedure below details how to refit the axis 2 motor.
10. Remove the motor by gently pulling it out, making sure
the motor pinion does not get damaged while moving it
away from the gear.
11. Disconnect the brake release voltage.
12. Remove any remaining oil from the gearbox by
siphoning it off.
Action Note
Action Note
1. Make sure the mating surfaces on the motor and
the gearbox are clean and free from burrs.
If necessary, clean the surfaces with isopropanol.
2. 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 section
Required equipment on page 181.
3. In order to release the brakes, connect the 24
VDC power supply to the motor.
Connect to connector R3.MP2:
• +: pin 7
• -: pin 8
4. Remove the motor cover from top of the motor. Shown in the figure Location of
motor axis 2 on page 181.
5. Fit the rotation tool to the end of the motor shaft. Art. no. is specified in section
Required equipment on page 181.
6. Fit the motor, making sure the motor pinion is
properly mated to gearbox 2.
Use the rotation tool to rotate the motor pinion,
when mating it to the gear.
Make sure the motor is turned the
right way, i.e. connections upwards.
Make sure the motor pinion does
not get damaged!
7. Secure the motor with four attachment screws
and plain washers, but do not tighten yet.
4 pcs, M8 x 25.
Tightening torque: approx 2 Nm.
8. Adjust the motor in relation to the gear in the
gearbox.
Use the rotation tool to wiggle the motor shaft
back and forth to feel the play. Tap with a plastic
mallet.
There should be a barely noticable
gear play.
9. Refit the motor cover to the top of the motor.
Be careful not to damage the cables!
10. Tighten the motor attachment screws. Tightening torque: 35 Nm.
11. Disconnect the brake release voltage.
12. Refit the connector plate with its attachment
screws.
Shown in the figure Location of
motor axis 2 on page 181.
13. Reconnect the motor connectors inside the
frame.
Cable layout is shown in the figure
Illustration, cabling inside frame on
page 117.
14. Refit all cable ties, and the bracket underneath
the frame.
Shown in the figure Location of
motor axis 2 on page 181.
Continued
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