Chapter 5 Maintenance and Inspection 
UD-series Screw Compressor  5.5 Reassembly 
5-58 
between the parts, the vibration value will increase. 
l)    When the adjustment is completed, the thrust bearing is completely tightened. 
    Note: (125-320 type) 
  (1)
 Use new lock washers. 
  (2)
 Set a torsional slip washer between the lock nut and lock washer. 
  (3)
 Be careful not to break the claws of the lock washer. 
m)  After confirming the tightening, finally bend the lock washer and the locking claw of thethrust 
bearing gland. 
   
   Bending the claw of Lock washer      Bending of out side of claw washer 
 
   
  Bending inside of lock washer       Bend the claw firmly 
 
 
  Spring Washer