TM 9-6115-658-13&P 4-46 4-25  MOUNT, ANTENNA AND SUPPORT, MAST REPLACEMENT. This task covers: a. Removal   b.  Installation INITIAL SETUP Tools    Equipment Conditions Tool Kit, General Mechanic's Reference (item 1, Appendix B) Trailer handbrakes set and front support Materials/Parts leg/landing leg lowered; paragraph 2-3.2.1. Both generator sets shut down; paragraph 2-5.3.3.       REMOVAL     1.     Remove nut (6 or 8, Figure 4-25) flat washer (9) or (5) and bolt (1) or (4).     2.     Remove antenna mount (2) or remove mast support (7) from fender (3). INSTALLATION     1.     Place antenna mount (2) or mast support (7) on fender (3).     2.     Install bolt (1) or (4) into hole and install flat washer (9) or (5) and tighten nut (8) or (6). Figure 4-25.  Mount, Antenna and Support, Mast Replacement.