VT6L Maintenance  12. Joint #4 
 
VT series Maintenance Manual    Rev.2  103 
oint #4 
 
 
 
the following cables through a new Joint #4 timing belt.   
Power cable (Joint #5, 6 connector part) 
Joint #5 signal cable (for motor) 
Ground wire 
 
the Joint #4 motor unit. 
Reference:  12.1 Replacing Joint #4 Motor 
Joint #4 Motor Installation step (1) through (8) 
 
the  Jo
int #5 signal cable connector (for 
motor: black).
 
 
the ground wire terminals of the Arm #4. 
Cross-recessed screw: M4×6 
Tightening torque: 2.0 ± 0.1 N·m 
 
Pass the wire tie through the hole on the plate
 
the Arm #4. 
Bind the following cables with the wire tie.
 
Wire tie: AB150 
Power cable 
Signal cable (for motor) 
Ground wire 
 
the following cables with the wire tie. 
Wire tie: AB100 
Motor cable(Joint #5) 
Signal cable (Joint #5) 
Motor cable (Joint #6) 
Ground wire
 
 
ount the following covers. 
Arm #3 Cover 
Arm #4 Cover 1 
Arm #4 Cover 2 
Reference: 7 Covers