TM 9-6115-658-13&P 4-39 4-22    PLATFORM, TRAILER 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, front support Materials/Parts leg/landing leg lowered, and rear Leveling-support jack lowered; paragraph Nuts, Self-locking 2-3.2.1. Both generator sets shut down; paragraph 2-5.3.3. Figure 4-21.  Platform,  Trailer Replacement. REMOVAL Remove four self-locking nuts (1, Figure 4-21), eight flat washers (2), four screws (3), and trailer center plate (4). INSTALLATION Install center plate (4), four screws (3), eight flat washers (2), and four self-locking washers (1).