TM 10-3930-669-20 15-12.  CAB FLOOR PLATE REPLACEMENT (CONT). (2) Remove seven screws (3) and floor plate (4) from cab floor (2). (3) Remove seven nuts (5) from cab floor (2). b.  Installation. (1) Install seven nuts (5) on cab floor (2). (2) Install floor plate (4) on cab floor (2) with seven screws (3). (3) Install floor mat (1) on cab floor (2). NOTE Follow-on Maintenance: • Close cab door (TM 10-3930-669-10). • Remove wheel chocks (TM 10-3930-669-10). END OF TASK 15-42