Belt is at the bottom of the machine.
You need to:
# Remove the inner heat shield. It has 8 screws at the bottom and one on the side wall which is holding the heater. Remove it gently.
# Remove the top of the machine. Do not need to remove the lid. Just open it, remove the screws caps beneath the lead. There are 5 screws. Unhuk 7 plastic hooks just below the top.
# Remove base with the circuits, motor and heater. Unscrew all 6 screws. Remove GND (green and yellow) wire. Disconnect mains power connector from the circuit board. Gently pull out the base, watch for the on/off button.
# Remove the broken belt or wheel. Replace the belt or wheel.
# Put everything back in reverse order.