OPERATING MANUAL   TW63  MAINTENANCE / SERVICE 
 
ThyssenKrupp Aufzugswerke GmbH   
7.  Maintenance / service 
 
Maintenance period: Maintenance of the machine should take place within 
the framework of central maintenance of the elevator, at least once a year. 
Note: Commissioning and maintenance work may only be carried out by 
trained and instructed qualified personnel. 
  All laws and regulations for elevator systems as well as accident prevention 
regulations must be known and complied with. 
 
 
 
More details on the sequence, settings and data can be found in 
Chapter:  
 
  Check the oil level; top up if necessary 
7 
  Change the oil (when the change date is reached) 
7 
 
  Check the brake shoes for wear; the remaining lining thickness 
must be at least 3 mm 
7 
  Check the brake setting; the block stroke should be 0.3 + 0.1 mm  
 
7 
  Check the braking deceleration 
7 
  Check the armature base plate setting and its ease of movement  
7 
   
  Check worm gear toothing for wear 
 
  Check the backlash between the worm shaft and worm wheel, 
0.04 mm to 0.12 mm at 20° C 
7 
   
  Check groove profile on the traction sheave for damage and wear  
 
  Check secure seating of bolts of the traction sheave mount 
9 
 
  Check pulley grooves for damage and wear 
 
 
  Check proper and adequate condition and safety of electrical 
connections 
 
 
  Check that protective and safety devices are present and 
correctly set