VT6L  Maintenance  9. Joint #1 
 
VT series Maintenance Manual    Rev.2  69 
9.3    Replacing Joint #1 Timing Belt 
  Name  Quantity  Note 
Timing Belt  1  1751536 
Tools 
Hexagonal wrench (width across flats: 3 mm)  1 
For M4 hexagon socket head 
cap bolts 
For tightening torque control 
Cross-point screwdriver (No. 2) 
The brake is mounted on each joint to prevent the arm from lowering due to its own weight while the Controller 
power is OFF or the motor is OFF status.    The brake does not work during replacement. 
Be careful when performing maintenance work.