FDS belt keeps slipping?

[Jaek_3]

The belt on my FDS gradually slips off of the little gold motor, over the course of about a week. Does anyone know how I can fix this?

[chowder]

Is it a new belt?  If it's old, it's probably stretched a bit.

[zmaster18]

Usually slippery belts fall off the white wheel. Check if your belt feels too loose and check the gold pulley for chips or scratches on its surface. Also make sure you didn't accidently get oil on the belt and wheels.