I
NSTALLATION
Harmony
Ball Return Manual
–
400-254-022
7
Rev. Date 3/16
6.0 INSTALLATION
6.1 APPROACH OPENING
For replacing an existing installation, remove the old ball lift and fill in and/or cut out the
approach opening, as necessary, to meet the specifications shown below.
* Use caution when cutting through the approach surface as not to cut into the underlayment
support for the trap doors.
Figure 1, Approach Opening Layout – Top View