C4 Maintenance  3. Covers 
 
C Series Maintenance Manual Rev.2  17 
3.5    Arm #3 Bottom Cover 
 
CAUTION 
■ 
mounting the cover, be careful not to get the cables caught in it or bend 
m 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.     
 place the cables back to their original locations. 
Before removing the Arm #3 bottom cover, move the arm to the position where you can 
remove the cover easily. 
 
4-M3×5 (Cross recessed truss head small screws) 
Tightening torque: 0.6±0.1 N·m 
 
 
3.6  Arm #4 side cover 
 
CAUTION 
■ 
mounting the cover, be careful not to get the cables caught in it or bend 
m 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.     
 place the cables back to their original locations. 
 
6-M3×8   
(Cross recessed truss 
head small screws) 
Tightening torque: 
0.45±0.1 N·m 
6-M3×8   
(Cross recessed truss 
head small screws) 
Tightening torque: 
0.45±0.1 N·m