CLOSER ADJUSTMENT Surface Mounted Adjustable & Preset "Back-Check™ CL8E0OBF/CL8G00BFDA Non NOTE: Closing arcs ("CLOSE" and "LATCH") are controlled by two(2) separate speed adjusting valves adjust the CLOSING speed first, then adjust the LATCH speed 1. "CLOSING" speed adjustment is accomplished by full rotations of the speed adjusting valve ~Tum the speed adjusting naive CLOCKWISE for a SLOWER CLOSE arc closing speed -Tum the speed adjusting valve COUNTER-CLOCKWISE for a FASTER CLOSER arc closing speed. 2.