WARNING
Danger to life and limb due to live components
Components may remain energized after the robot system has been
switched off. Death, severe injuries or damage to property may result.
• Switch off the robot system at the main switch and secure it to pre-
vent unauthorized persons from switching it on again.
• Disconnect the power cable from the supply.
• After switching off, wait at least 5 minutes and then check to ensure
that the robot controller and power cable are deenergized.
WARNING
Risk of crushing during removal and installation of motor
When removing or installing the motor, there is a risk of injury by crush-
ing. This could result in hand injuries.
• Wear protective gloves.
NOTICE
Wear and premature failure due to damage to toothing
Damage to the toothing of the motor and gear unit can lead to in-
creased wear and premature failure of the components.
• During cleaning, ensure that the toothing is not damaged.
• Before installation, check the toothing of the motor and gear unit for
damage.
9.4.1.1 Removing motor A1
Procedure
1. Release and unplug connectors XM1 and XP1 at the right-angle con-
nectors (>>> 9.1.1 "Removing motor A1" Page 230).
2. Unscrew 4 M10x25-8.8-A2K Allen screws.
3. Release and carefully lift out motor A1, taking care not to tilt it.
4. Remove the seal and dispose of it.
5. Cover the aperture on gear unit input shaft A1 and protect it against
fouling.
6. If the motor is not to be reinstalled, it must be disposed of properly or
protected against corrosion before being put into storage.
KR IONTEC
248/344 | www.kuka.com MA KR IONTEC V4 | Issued: 11.05.2021
Repair
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