TM 10-3930-659-20 6-24. ADJUSTABLE FLOODLIGHT MAINTENANCE (Con’t) 4. Remove locknut (24), washer (23), bolt (20), two clamp  halves  (22),  washer  (21),  and  adjustable bracket (15) from support (19).  Discard locknut. 5. Remove two screws (17) and support (19) from cab (18). c. INSTALLATION 1. Install support (19) on cab (18) with two screws (17). 2. Install adjustable bracket (15), washer (21), and two clamp halves (22) on support (19) with bolt (20), washer (23), and new locknut (24). TA707797 6-111