C4 Maintenance  3. Covers 
 
18  C Series Maintenance Manual Rev.2 
3.7    Base 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. 
Remove the screws (cross-recessed flat head machine screws) securing the cover and 
remove the cover.   
If you use the other screws than the screws indicated here, the screw head will protrude from 
the base surface and it will make it difficult to mount the Manipulator firmly.    We 
recommend using our attached screws or equivalent ones.   
4-M3×5   
(cross-recessed flat head machine screws) 
Tightening torque: 0.6±0.1 N·m 
 
 
3.8    Connector Plate 
 
CAUTION 
■ 
Do not remove the connector plate 
forcibly.  Removing the connector plate 
forcibly may result in damage to the cables, disconnection, and/or contact failure.   
Damaged cables, disconnection, or contact failure is extremely hazardous and 
may result in electr
ic shock and/or improper function of the robot system. 
■ 
When installing the connector plate, 
be careful not to get the cables caught in it or 
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 
function of the robot system.     
routing the cables, check  the cable locations  at  removing the connector 
.  Be sure to place the cables back to their original locations. 
4-M4×8 
(Hexagon socket head cap bolts) 
Tightening torque: 4.0±0.2 N·m