| 
  | 
 1) write down value "a" before removal of the lock screw | 
 
 
 |  2) remove the lock screw and disconnect the operating plunger | 
 
 
 |  3) clear the operating plunger gasoline before installation | 
 
 
 | 4) check a sealing ring of the lock screw regarding damages, if necessary replace (smaller diameter of a sealing ring is directed to the operating plunger) | 
 
 
 | 5) wrap the lock screw back to value "a" | 
 
 
 | 6) check and adjust a starting position and a gap of a plate of the sensor |