C8 Maintenance    3. Covers 
 
202  C Series Maintenance Manual Rev.2 
3.3    Arm #2 Side Cover 
 
CAUTION 
■ 
 mounting the cover, be careful not to get the cables caught in it or bend 
them forcibly to push into the cover.
  
Unnecessary strain on cables may result in damage to the cables, disconnection, 
and/or contact failure.   
These are extremely hazardous and may result in electric 
shock and/or improper function of the robot system.
 
routing the cables, check the cable locations at removing the cover.     
Be sure to place the cables back to their original locations.
 
 
 
Remove the screws and then remove the Arm #2 side 
cover.
 
 
Cross recessed truss head small screws:   
4-M4×10 (one side) 
 
Hexagon socket head cap bolts with captive 
washer: 8-M4×12 (one side) 
Remove the Arm #2 side gasket together. 
Note that the Arm #2 side covers and Arm #2 side 
gaskets are different between right and left. 
 
 
 
Install the Arm #2 side cover to the Manipulator. 
Cross recessed truss head small screws: 4-M4×10 (one side) 
Tightening torque: 0.9 ± 0.1 N·m 
 
Install the gasket to the grove on the Arm #2 side 
cover.    Install the Arm #2 side cover to the 
Manipulator. 
Hexagon socket head cap bolts with captive 
washer: 8-M4×12 (one side) 
Tightening torque: 4.0±0.2N·m 
 
Be careful not to get the gasket and cables caught 
between the cover and the Manipulator. 
Replace the gasket if there are flaws or 
deteriorations.