TM  5-6115-434-12 Note Tag  or  otherwise  identify  all  connectors,  terminals,  and  electrical  leads  for  aid  at  assembly.  Note  routing  of harness assemblies and location and orientation of clamps for aid at assembly. b.    Cleaning and inspection. (1) Clean wiring harness assemblies with filtered compressed air or wipe with a clean rag moistened with an approved cleaning solvent. (2) Visually  inspect  for  burned,  bent,  loose,  corroded,  or  otherwise  damaged  connector  pins  and  terminals. Inspect  wiring  for  breaks,  loose  connections,  or  otherwise  obvious  damage.    Inspect  insulation  for  burns,  chafing,  and deterioration.  Replace all damaged parts. c. Repair.  Replace damaged wires, terminals, connectors, and receptacles by unsoldering connections, installing replacement part and  soldering  in accordance  with  Military Specification MIL 6872 using Sn 60 solder that conforms to Federal Specification QQ-S-571. Note Refer to figures 1-17 through 1-20 for wire connection points and routing. d. Test.    Check  continuity  of  wires  and  connections  using  a  multimeter  or  continuity  light.    Continuity  shall  be indicated through individual wires and connections. e. Installation.  Install wiring harness assemblies in reverse order of.  removal procedures. 3-55.  Instrument Panel Assembly (fig. 3-16) Warning Electrical power shall be shut off prior to maintenance on electrical components. Note Access to the component parts of the instrument panel is obtained by removing sixteen bolts and sixteen washers from the perimeter of the panel.  Extend the upper part of panel outward with the lower part of panel resting on the lower recessed edge of the panel frame without a strain on the wiring harness. a. Panel Meter (M2, M3, M4, M5, M6, M7, M8). (1) Removal.  Tag and disconnect electrical connections to meter.  Remove three nuts, six washers, and three screws from meter.  Remove meter and gasket from panel. (2) Cleaning and inspection. (a) Clean  meter  with  filtered  compressed  air  or  wipe  with  a  clean  rag  moistened  with  an  approved cleaning solvent. (b) Visually   inspect   meter   for   corrosion,   cracked   case,   cracked   glass,   damaged   threads   or   other evidence of damage. (3) Installation Install in reverse order of removal procedures. b. Exhaust Gas Temperature Indicator (M9). (1) Removal.    Tag  and  disconnect  electrical  connections  and  resistor  assembly  to  indicator.    Remove  four screws and four washers from meter.  Remove meter and gasket from panel. (2) Cleaning and inspection. (a) Clean  indicator  with  filtered  compressed  air  or  wipe  with  a  clean  rag  moistened  with  an  approved cleaning solvent. (b) Visually  inspect  indicator  for  corrosion,  cracked  case,  cracked  glass,  damaged  threads  or  other evidence of damage. (3) Installation.  Install in reverse order of removal procedures. c. Lamp Assembly (DS1, DS2, DS$, DS4, DS5, DS7, DS8, DS12, DS1S, DS14, DS15, DS16, DS19, DS23). (1) Removal Tag and disconnect electrical connections to lamp assembly.  Remove nut and washer attaching lamp assembly to panel.  Remove lamp assembly from panel. (2) Cleaning and inspection. (a) Clean  lamp  assembly  with  filtered  compressed  air  and  electricians  brush  or  wipe  with  a  clean  rag moistened with an approved cleaning solvent. (b) Visually   inspect   lamp   assembly   for   corrosion,   cracks,   damaged   threads   or   other   evidence   of damage. (3) Installation.  Install in reverse order of removal procedures. d. Toggle Switch (S1, S2, S3, S6, S7, S8, S9, S29, S30). (1) Removal.  Tag and disconnect electrical connections to switch.  Remove nut and washer attaching switch to panel.  Remove switch and boot from panel. (2) Cleaning and inspection. (a) Clean switch with filtered compressed air or wipe with a clean rag lightly moistened with an approved cleaning solvent. (b) Visually inspect switch for corrosion, cracks, damaged threads or other evidence of damage. 3-55