Ball Return Installation Manual
The standard foundation for the Ball Lift consists of two 2 x 6 x 18
concrete subfloor. While shims are provided to level and raise the Ball Lift to the
required height, you may need to plane the boards and/or us
e additional materials to
inch (367 mm) required distance from the
Ball Lift base plate to the
Depending on the length of your approach, you may or may not have the ball rack
ing the end of the approach. To determine the overhang at your center,
perform the computation below using the numbers from your center.
The position of the ball lift on the approach in the following calculation is based on a
AMF underlane track installation that results in the end of the track being
7/16 inches from the lane side of the foul line. If possible, check this distance, and if
different, offset the installation (including the cutout) as needed. Minor differe
require any offset. If an installation other than the standard
installation is desired, the underlane track can be lengthened or shortened as needed.
BALL RACK OVERHANG CALCULATION
1. Distance from Lane Side of Foul Line to
2. Overall length of ball return
of Hood (overlap of the two items above
Length of Approach (includes Foul Line, your approach may be different)
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