TM 10-3930-669-20 (15) With the aid of an assistant and using a straight edge across the front vertical face of forks (4), verify that mast assembly (5) pivots more than 90 degrees, or is at least parallel to forklift (7). NOTE If mast assembly pivots less than 90 degrees, add additional shims to stop pad by repeating Steps (10) through (15). If mast assembly pivots 90 degrees or more, proceed to Step (16). (16) Remove straight edge from front vertical face of forks (4). NOTE Follow-on Maintenance: · Stop engine (TM 10-3930-669-10). · Pivot mast to front (TM 10-3930-669-10). · Check hydraulic fluid (LO 10-3930-669-12). · Remove wheel chocks (TM 10-3930-669-10). END OF TASK 17-33