Gasboy 9820A Series - Manual (Page 11)

Installation
03/07/03 2-3
Key for Chart Headings
Height Measurement from the ground to the hose connection assuming the
pumping unit is mounted on top of the tank with the feet provided.
Tank height + 6" , standard units; tank height + 12" for vapor recovery units.
Hose Length
Length of hose less nozzles and fittings.
Register Minimum Radius
Indicates the closest the register assembly can be to the specified starting
point; any closer than this distance may allow hose to touch the ground
when unit is not in use. This radius is measured starting from a point
directly below pumping unit discharge to the center of the nozzle boot/hook
of the register assembly.
Fueling Radius
Indicates the approximate fueling radius. Measured from a point directly
below pumping unit discharge to the nozzle.