Husqvarna 24HP 54" Yard Tractor () "tire wiggle" Questions

! and give it the wiggle test, sounds like the e-clip may have fallen off, look at the other side tire to evaluate what can be missing from the left.. e-clip and key stock is at ace hardware ..cheap !

...is in the neutral position. Now get under the tractor from the left side between the front and rear tires and you will see the drive belt going around a black plastic pulley. Next to that pulley you ...

Husqvarna rz46 23 after 50hrs right blade is not cutting clean. air in tires, leveled, adjusted blade pitch & cleaned air induction holes, sharpened blades, too Could it be loose belt/bearing issue? ...