TM 1-1500-204-23-9 1 Requirements.  These markings will indicate    danger    areas,    voltage    and    power    ratings, towings   instructions,   and   similar   precautions.      Major safety   precautions   shall   be   placed   in   a   conspicuous location on the equipment. 2 Color     of     markings.        All    safety markings shall have letters and numerals in white on red surfaces. (d) Operational markings. Operational markings    shall    be    applied    to    all    ground    support equipment to instruct operating personnel of duties and maintenance,  such  as  tire  pressure,  fuel  octane  rating, oil grade, and operational controls. · Equipment without adequate operational nameplates on the operator's compartment  may  have  the  name  or duty   performed   by   the   lever,   switch, valve,   or   pedal,   stenciled   near   each, and the use or direction of movement if needed. ·   The    stencil    shall    be    the    smallest readable size. Understandable abbreviations may be used. ·  Such  items  as  TIRE  PRESSURE,  NO STEP,  SPEED  LIMIT,  etc.    ,  shall  be stenciled  immediately  adjacent  to  the particular part involved. ·   Special   towing   instructions   shall   be stenciled near the towing attachment. ·  Safety  markings  shall  be  positioned  in an easily observed area and shall be of such  size  to  be  legible  at  a  minimum distance. · Danger areas shall be clearly marked. ·  Where  fire  extinguishers  are  carried  in concealed locations, the locations shall be adequately marked. ·   Equipment   with   an   exhaust   system which is a hazard to personnel shall be adequately marked. ·  Lifting  capacities  of  aircraft  jacks  and similar lifting devices will have capacity legibly marked. (e) Agency markings.  Agency identification markings  shall  be  applied  to  indicate  that  the  unit  of equipment belongs to the Department of the Army. (f) Reconditioning  markings.    Reconditioning markings  shall  be  applied  to  indicate  of  overhaul  and reconditioning activity. (g) Location  of  markings.    The  various  types and  models  of  ground  support  equipment  prohibit  the establishment of detailed instructions for the application of marking for each type or model. (h) Colors   and   sizes   of   markings.      Color, style, and size of markings will be as follows: 1 Stencil markings shall be accomplished  using  black  paint,  color  number  37038, Federal   Specification   A-A-1558,   on   yellow   or   gray surfaces.    However,  letters  and  numerals  for  all  safety markings   shall   be   accomplished   using   white   paint, Federal Specification A-A-1558, on red surfaces. 2 Block  type  letters  and  numerals  of 1/2-inch,  1-inch,  2-inch,  3-inch,  or  4inch  size  shall  be used for marking. (i) Maintenance of markings.  Markings shall be  clearly  maintained  on  all  items  of  equipment  at  all times, with the following exceptions: 1 Upon transfer within the Department of    the    Army,    all    organizational    markings    shall    be removed. 2 Upon   assignment   under   bailment contracts  to  private  contractors,  all  exterior  markings shall be removed. 3 Upon permanent transfer to disposal     agencies     or     upon     sale     to     commercial contractors,  all  Department  of  the  Army  markings  shall be obliterated or removed. NOTE When the requirements for camouflage or concealment   outweigh   the   requirement for identification, the markings prescribed herein may, by direction of the major command concerned, be obliterated   by   some   readily   removable substance. 9-18