TM 10-3930-669-20 7-10.  HOUR METER REPLACEMENT (CONT). b.  Installation. (1) Install  hour  meter  (9)  in  instrument  panel (2)  with  bracket  (12),  lock  washer  (11), and nut (10). (2) Connect two wires (8) on hour meter (9). NOTE Install cable ties as required. (3) Install instrument panel (2) on dash frame (5) with washer (4) and screw (3). (4) Install four screws (1) on instrument panel (2). NOTE Follow-on Maintenance: • Close  cab  door  (TM  10-3930-669- 10). • Connect batteries (Para 7-48). • Remove wheel chocks (TM 10-3930-669-10). END OF TASK 7-24