Final answer:
The VLEA adjustable lever permits the seat load to be varied in 20 lb. increments through several selectable positions. A warning is provided to avoid sitting in the seat while adjusting.
Step-by-step explanation:
The VLEA adjustable lever allows for variation of the seat load in 20 lb. increments through several selectable positions.
For example, if the seat load is initially set at 40 lbs, it can be adjusted to 20 lbs or 60 lbs by moving the lever.
It is important to note that a warning is given to avoid sitting in the seat while adjusting the load.