Dryer belt

Dryer Repair
1

can not find the diagram for a gibson dryer to help replace the belt. have belt on correctly but will not tighten up when turn on. the spring is not moving at all when turn on will not tighten the belt

2

Gibson is made by Frigidaire

Take a look at the sticky at the start of this forum Dryer Belt Diagrams

3

I want to replace dryer belt .
GE, Model No. DDE 6500 GAL.

Please gave me a advise . Thank you !!!