4 Repair
4.6.4. Replacement of motor, axis 4
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Removal, motor axis 4
The procedure below details how to remove the motor, axis 4.
Action
Note
1. Move the robot to a position where the upper
arm is pointed straight up.
This position enables the motor to be
replaced without draining the gear oil, which
in turn saves time.
Any other position of the upper arm requires
a draining of oil from the gearbox for axis 4.
Draining of oil is described in section
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. Remove the
cable gland cover
at the cable
exit of the motor by unscrewing its two
attachment screws.
!
Make sure the gasket is not damaged!
4. Remove the cover on top of the motor by
unscrewing its four attachment screws.
5. Disconnect all connectors beneath the
motor cover.
6. In order to release the brake, connect the 24
VDC power supply.
Connect to connector R2.MP4
•
+: pin 2
•
-: pin 5
7. Unscrew the motors four
attachment screws
and plain washers.
!
8. Fit the two
guide pins
in two of the motor
attachment screw holes.
9. If required, press the motor out of position by
fitting
removal tool, motor
to the motor
attachment screw holes.
Always use the removal tools in pairs!
10. Lift the motor to get the pinion away from the
gear and disconnect the brake release
voltage.
11. Remove the motor by gently lifting it straight
out.
Make sure the motor pinion is not
damaged!
Continued
Continues on next page
Summary of Contents for IRB 6600 - 175/2.8 type B
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