L Helping you put quality into play.™ The Sand Pro Finish Grader is shipped completely assembled, Remove any attachment presently on the Sand Pro. Hang the grader mouton the locating pins and secure the grader with the four existing cap screws, rock washers, and fiat washers. Secure the piston rod 1o the lift arm with the existing pin and hairpin cotter, The springs and actuating rods are adjusted at the factory.