deck belt loose

[foskey]

After installing new belt and returning tension handle to its position the belt is now loose?

 

[Ric]

After installing new belt and returning tension handle to its position the belt is now loose?

Seeing you have a Cub Cadet listed as your mower, what Cub Cadet and belt are we talking about?

 

[foskey]

42" 2130 model

 

[stb]

After installing new belt and returning tension handle to its position the belt is now loose?

We are having the same problem with a loose belt after replacement on a cub cadet SLTX1054VT
Going to ry and replace the spring even though it does not look stretched out.
Not sure what else to try