Tru-Jump STR-15FT Assembly, Installation, Care, Maintenance And User Instructions page 23

Step 7 – Spring Assembly
Ø Continue to attach springs in the same manner. For even distribution of tension and ease of assembly, the
springs must be placed on opposite sides of the mat in an alternating manner, i.e. 6 then 54, 18 then 66,
30 then 78, 42 then 90, etc. In addition to the previously installed springs, you should now have springs at
6, 18, 30, 42, 54, 66, 78 and 90 as shown below
.
18