XLi EDGE Pinspotter
Section 4-2 4.2-28 Rev. Date: 10/2016
4.2.4 Positive Ball Lift
The purpose of the Positive Ball Lift (PBL) is to raise the ball high enough to permit a gravity return to
the bowler. The ball lift consists of a number of separate assemblies that work together to achieve the
desired result. For complete information about the Positive Ball Lift refer to the Positive Ball Lift
Pinspotter Manual Supplement, 400-088-011-01.