TM9-2320-363-20-1 IGENERAL   CLEANING INSTRUCTIONS (CONT)I I WARNING Steam cleaning creates hazardous noise levels and severe burn potential. Eye,    skin,    and    ear    protection are    required. 6. Exterior Parts.    Steam clean all   exterior parts   thoroughly    before removing. This    will   make inspection and   disassembly easier. 7. 8. 9. 10. 11. 12. 13. WARNING Solvents used with spray gun must    be    used    in   spray booth    with    filter. Face shield    must   be    used    by   personnel operating spray   gun.    Failure    to   do   so   could result    in   serious injury    to   personnel. Engine, Cab,    and    Body. Use    a   spray gun   and    solvent    mixture    for  cleaning   exterior    of   engine, cab, and    body.    Allow    mixture to   remain on   item   surface    for   about    10   minutes before rinsing. Rinse    with    hot   water under    80-120 pounds    of   pressure, if   available. An   ordinary    garden hose with    nozzle may    be    used    if   other equipment is   not   available. Rinse    thoroughly. Decreasing Machine. A   decreasing machine may   be   used   to   remove heavy grease and   oil accumulations from    metal parts. Passages. After    removing parts    from    decreasing machine, and    before    coating    with    rust preventive, check    all   oil   passages and    cavities    for   dirt   or   blockage. A   thin,    flexible wire    should be   run   through    oil   passages to   make certain they   are    not   clogged. Individual passages that are    dirty   may   be    cleared using a   pressure spray    gun   and   drycleaning solvent. CAUTION To    prevent corrosion, parts should be    dipped in   rust    preventive compound within    2   hours    after decreasing. Electrical Parts. Electrical parts, such    as   coils,   junction    blocks,    switches, and    igniters,    which use   insulating  materials,   should   not   be   soaked   or   sprayed  with  cleaning   solutions. Clean these parts   with    a   clean, lint-free cloth    moistened    with   drycleaning solvent. Electrical Grounds. Clean electrical ground    contacts    with   crocus    cloth. Oil   and    Fuel   Tank. Pay    special attention to   all   warnings and   cautions    when working    on vehicle’s fuel   tank. Oil   tanks and    fuel    tanks    should   be   flushed, using   a   spray    gun    and drycleaning solvent. Battery. Exterior    surfaces of   the electrical system    and   battery    should   be    cleaned with    a   weak solution    of   baking soda    and    water. Apply    solution   with   a   bristle    brush   to   remove any corrosion. 2-22