brakes

I have a Troy Bilt Bronco 13yx78ks011 and the brake rod doesnt have enough throw to engage the brakes. It's almost like the brake rod that connects to the spring on the caliper is too long. I did notice that its hanging down below the frame. Theres nowhere to adjust it and nothing is bent. Its...

247-289050 model. We neighbors are confused. We replaced a split transmission belt with the correct part number. Button up everything. Owner fired up mower and let the clutch out slowly. The mower did a massive wheel stand and took off to discover no brakes. Mower did not have this trouble...

I have a Sears lawn tractor LT1000, Model 917.275371 serial number 013105A002361. I would just like to confirm/further my understanding. Question: when one moves the mowing belt engagement lever even with the engine off, should the pulley brakes move away from the pulleys? Thanks.