0006 00  TM 10-1670-287-23&P  7.  Grasp base line of the right control line and compare the cascade lines to the base line and ensure  they are even (+ $^{1}$/$_{2}$-inch). 8.  Grasp canopy fabric near line 8A attaching loop. Moving to center of canopy pull line 8A and the  control line on the left rear riser and compare lengths to ensure control line is 15-inches (+ 1-inch)  longer than line 8A.  0006 00-18  Change 1  15 ±  1-IN. Control Line Reference Point  For Comparing  Lengths Line 8A  Control Line Cascade Line 