Electric Traction | List four causes of failures of under frame generating equipment.

Causes of Failures of Under-frame Generating Equipment: 

1) Generator belts falling off or becoming loose.

2) Poor quality of generator brushes, sticking in brush boxes 

3) Commutator getting dirty. 

4) Generator fuses blowing off. 

5) Generator solder running out. 

6) Defective cells. 

7) Propeller shaft becoming loose. 

8) Axle pulley becoming loose.