I noticed today that the loader dump lever has a lot of play, I have a BX25 and checked the linkage , It don't seem to be the linkage, any one had the same problem
Not familiar with the BX.....but on my B 2620 my fel lever got loose then fell off. It was the two little bolts that bolt it onto the valve. Check to see if yours is bolted on like this? I lock-tighted mine in and they have been fine.
The lever on my BX25 got sloppy. I found it was where the lever connected to a bracket and rods. It was double nutter and one nut fell off and the other was about to. Take the small black bolt out of the plastic boot and you can see the connections. You may have to remove the battery shroud if a nut or two is missing.