All rights reserved  8  Servicemanual_UR3_en_rev3.1.2 
 
2.2 Robot arm 
2.2.1 Visual inspection of robot arm 
  Of safety reasons confirm that the 4 rubber covers over the mounting screws are present on the 
Base mounting bracket. 
 
 
 
 
 
 
 
 
 
 
  If you observe oil on the robot arm you simply clean it with a cloth. 
In very rare cases the grease is from the inside of the joint. There is still enough grease in the gear 
for life time you just clean the joint with a cloth.   
  Move robot arm to HOME position (if possible) 
  Turn off and disconnect power cable from controller 
  Inspect cable between controller and robot arm for any damage 
  Inspect flat rings for wear and damage 
»  Replace flat rings if worn out or damaged 
  Inspect blue lids on all joints for any cracks or damage 
»  Replace blue lids if cracked or damaged. 
  Inspect that screws for blue lids are in place and properly tightened 
»  Replace screws, tighten properly if necessary 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Correct torque value for screws on blue lids are 0.4Nm 
 
If any damage is observed on a robot within the warranty period, contact the distributor from which the 
robot has been purchased.