C4 Maintenance  9. Joint #5 
 
134  C Series Maintenance Manual Rev.2 
9.4  Joint #5 - Replacing the Electromagnetic Brake 
 
Removal: Joint #5 Electromagnetic brake 
1.  Remove the Joint #5 electromagnetic brake. 
For details, refer to C4 Maintenance: 9.1 Joint #5 – Replacing the Motor, Installation steps (1) through (7). 
 
Installation: Joint #5 Electromagnetic brake 
1.  Mount the Joint #5 electromagnetic brake to the Joint #5 motor unit. 
For details, refer to C4 Maintenance: 9.1 Joint #5 – Replacing the Motor, Installation steps (2) through 
(9). 
   
  Name  Quantity  Note 
Maintenance Parts  Joint #5 electromagnetic brake  1 
For the part code, refer to the 
17. C4 
Maintenance Part List. 
Tools 
Hexagonal wrench   
(width across flats: 1.5 mm) 
1  For M3 hexagon socket set screws 
Hexagonal wrench   
(width across flats: 2 mm) 
1  For M2.5 hexagon socket head cap bolts 
Hexagonal wrench   
(width across flats: 3 mm) 
1  For M4 hexagon socket head cap bolts 
For belt tension adjustment