This is in the clutch adjustment section. It states donot operate tractor when clutch pedal free travel is less than 1/2 inch. To adjust free travel...loosen lock nuts & rotate turn buckle. adjust free travel to 1 inch & tighten lock nuts on turn buckle...
adjustment of power shift brake..
loosen nuts , push lever foward by a finger, tighten nuts while pushing lever foward.
Hope this helps