C8 Maintenance 5. Joint #1
C Series Maintenance Manual Rev.2 301
5.2.3 Joint #1 - Replacing the Timing Belt (M/C Cable Downward)
Name Qty. Note
Maintenance
Part
Timing belt
(Joint #1)
J1 brake positioning jig*
Tools
Hexagonal
wrench
For M4 hexagon socket head cap bolt
For M5 hexagon socket head cap bolt
For M6 hexagon socket head cap bolt
For removing the air tube
For cross recessed head screws
For tightening torque control
* The belt tensile jig and J1 brake positioning jig are assembly jigs. Use these jigs in relevant maintenance
steps.
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.