TM 9-6150-226-13 Item No. 12 13 14 15 16 17 Table 2-1. OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (Cont) Interval Before Before Before Before Before Before Location Item to Check/ Service Extension  cable assy. Receptacle groups  duplex- boxes Service feeder cable  assy. Electrical Utility  Kit  M46 Extension  cable assy. Branch  circuit assy. Utility  light assy. Universal Adapter M214 Procedure f. g. a. b. a. b. c. a. Check  for  damaged  cable connectors. Check for split, cuts and damaged  insulation. Check  for  damaged  receptacle groups  and  connectors.  Any faults  found,  notify  unit maintenance. Check  for  damaged  cable connectors  and  split,  cut insulation. Check  for  damaged  cable connectors  and  split,  cut insulation.  Notify  unit maintenance. Check  for  damaged  cable connectors  and  split,  cut insulation.  Notify  unit maintenance. Check  for  damaged  cable connectors  and  split,  cut insulation.  Notify  unit maintenance. Check  for  damaged  enclosure assembly. Not  fully  Mission Capable  if: Cable  connectors are damaged or bare  wires  are exposed. Cable  connector are damaged or bare  wires  are exposed. Cable  connector are damaged or bare  wires  are exposed. Cable  connector are damaged or bare  wires  are exposed. Enclosure  is damaged  so  that internal  wiring  is exposed or lid will  not  close. 2-24