Cub Cadet LTX1050. Help!

So I just purchased a used 2012 Cub and just did a tune up on it and decided to try it out and the damn thing is tearing up my grass! The deck is in the absolute highest position. I dont get it. Please help!

Attached Images

• 20170508_134708.jpg (256.9 KB)

Cub Cadet LTX1050. Help!