C4 Maintenance  10. Joint #6 
 
146  C Series Maintenance Manual Rev.2 
10.4  Joint #6 - Replacing the Electromagnetic Brake 
 
Removal: Joint #6 Electromagnetic brake 
1.  Remove the Joint #6 electromagnetic brake. 
For details, refer to C4 Maintenance: 10.1 Joint #6 – Replacing the Motor, Installation steps (1) through 
(7). 
 
Installation: Joint #5 Electromagnetic brake 
1.  Mount the Joint #6 electromagnetic brake to the Joint #6 motor unit. 
For details, refer to C4 Maintenance: 10.1 Joint #6 – Replacing the Motor, Installation steps (2) through 
(9). 
 
  Name  Quantity
Note 
Maintenance 
Joint #6 electromagnetic brake  1 
For part code, refer to the 
17. C4 
Maintenance Part code. 
Tools 
Hexagonal 
wrench 
width across flats: 1.5 mm 
For M3 hexagon socket set screws 
For M2.5 hexagon socket head cap bolts 
For M4 hexagon socket head cap bolts 
For belt tension adjustment