TM 9-6115-658-13&P 5-4 Section III.  MAINTENANCE PROCEDURES 5-5  GENERAL. This section covers Direct Support level maintenance procedures for power plant components that are not covered in the generator set technical manual, or trailer technical manuals. 5-5.1  Generator Set Maintenance.  Refer to generator set TM 9-6115-639-13. 5-5.2  Trailer Chassis Maintenance.  Refer to TM 9-2330-202-14&P. 5-6  GENERATOR, 3kW, SET REPLACEMENT. This task covers: a.  Removal b.  Installation INITIAL SETUP Tools      Equipment Conditions Tool Kit, General Mechanic's   Reference (item 1, Appendix B) Torque Wrench, o-150 ft-lb     Trailer handbrakes set, front support leg/landing leg lowered, and rear Lifting Device,750lbs. Lifting capacity     leveling-support jack lowered; paragraph 2-3.2.1. Materials/Parts   Cables removed paragraph 2-7.2 Both generator sets shut down; paragraph Nuts, Self-locking   2-5.3.3. REMOVAL NOTE Procedure for removal and installation of generator set is the same for both power plants. 1.   Remove four self-locking nuts (1, Figure 5-1), four flat washers (2), four bolts (4). 2.   Attach a four-leg sling to the four lifting rings at the sides of the generator set (3).  The sling must meet the dimension requirements shown on the generator set lifting and tiedown diagram plate.