VT6L Maintenance  9. Joint #1 
 
70  VT series Maintenance Manual    Rev.2 
 
 
 
 
Turn OFF the Manipulator.
 
 
Remove the Arm #1 cover and the connector plate.
 
Reference: 7. Covers 
 
Unscrew the mounting screws of the 
Controller Unit.
 
Hexagon socket head cap bolts:   
3-M4×10 (with a plain washer) 
 
Pull out the Controller Unit from the 
Manipulator base.
 
 
firstly push the plate of the Controller 
Unit to the right (see the picture) gently, 
then remove the thermal conductive 
sheet 
on the base and the Controller 
.  
Next, pull the Controller Unit 
forward.
 
 
Disconnect the following connectors 
of the Controller Unit.
 
A: Power cable connector 
B: Signal cable connector 
C: LED connectors × 2