TM 9-6115-658-13&P 4-19 4-13  ASSEMBLY, SWITCH BOX MAINTENANCE. This task covers: a. Inspect      c.     Removal b. Repair d.     Installation INITIAL SETUP Tools Equipment Conditions Tool Kit, General Mechanic's   Reference (item 1, Appendix B) Both generator sets shut down, paragraph 2-5.3.3.  Trailer handbrakes set, front support leg/landing leg lowered, and rear leveling-support jack lowered; paragraph 2-3.2.1.  Power cables and ground disconnected from switch box; Materials/Parts   paragraph 4-12. Blind Rivets Gasket Lock Washers ___________________________________________________________________________ NOTE Refer to paragraph 4-19 for removal of Accessory Box before performing maintenance on Switch Box INSPECT 1.  Release clamping catches (6, Figure 4-10) and open switch box cover (7). 2.  Inspect all leads and wires for worn or deteriorated insulation that reveals bare spots in conductors.  If found, notify next higher level of maintenance. 3.  Inspect all leads and wires for loose or disconnected terminal lugs.  If found, tighten or notify next   higher level of maintenance. 4.  Inspect all terminals for looseness.  Tighten as needed. 5.  Inspect all component mountings for looseness.  Tighten as needed. 6.  Inspect gasket (8) on switch box.  If required, replace gasket. 7.  Close switch box cover (7) and secure with clamping catches (6). REPAIR 1.  CLAMPING CATCH REPLACEMENT. a.   Drill out rivets (1) and remove defective clamping catch (2). b.   Position new clamping catch (2) and secure with rivets (1).