Tightening torques
The tightening torques can be found under: (>>> 12.1 "Tightening
torques" Page 335)
These are valid for screws and nuts where no other specifications are giv-
en.
Screws of strength class 10.9 and higher as well as screws with test cer-
tification may only be tightened once with the rated tightening torque.
When the screws are first slackened they must be replaced with new
ones.
Precondition
• The robot is secured by means of an EMERGENCY STOP device. It
must be ensured that the robot cannot be switched on by unauthor-
ized persons.
• The removal site is freely accessible for work tasks involving a crane.
Work safety
DANGER
Danger to life and limb due to defective or unsuitable load suspen-
sion devices
If defective or non-approved load suspension devices are used, the load
may fall off or start to swing. Failure to observe this can lead to death,
injury or property damage.
• Before using load suspension devices, check for defects (e.g. dam-
age, corrosion, deformation, wear, cracks) and exchange compo-
nents if necessary.
• Use only inspected and approved load suspension devices.
• Only use load suspension devices with a sufficient load-bearing ca-
pacity.
CAUTION
Risk of burns on hot surfaces
High motor surface temperatures immediately after the robot has stop-
ped operating can lead to burns. Injuries may result.
• Protective gloves must be worn.
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.
KR IONTEC
234/344 | www.kuka.com MA KR IONTEC V4 | Issued: 11.05.2021
Repair
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