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TM 10-3930-664-24 WARNING Compressed air used for cleaning purposes shall not exceed 30 psi.  Use only with effective chip guarding   and   personnel   protective   equipment   (goggles/shield,   gloves,   etc.).      Do   not   direct airstream towards self or other personnel. (1) Keep  it  clean:  dirt,  grease,  oil,  and  debris  only  get  in  the  way  and  may  cover  up  a  serious  problem. Clean as you work and as needed.  Use dry cleaning solvent (P-D-680) to clean metal surfaces.  Use soap and water when cleaning rubber or plastic materials. (2) Bolts, nuts, and screws: Check that they are not loose, missing bent or broken.  You can’t try them all with a tool, of course, but look for chipped paint, bare metal or rust around bolt heads.  Tighten any bolt, nut, or screw that you find loose. (3) Welds: look for loose or chipped paint, rust, or gaps where parts are welded together.  If you find a bad weld, report it to Direct Support. (4) Electrical wires and Connectors: look for cracked or broken insulation, bare wires and loose or broken connectors.  Tighten loose connections and make sure wires are in good condition. (5) Hoses and fluid lines: look for wear, damage, and leaks.  Make sure clamps and fittings are tight.  Wet spots show leaks, of course, but a stain around a fitting or connector can mean a leak.  If a leak comes from  a  loose  fitting  or  connector,  tighten  the  fitting  or  connector.    If  something  is  broken  or  worn  out, either correct it or report it to Direct Support Maintenance (see Maintenance Allocation Chart, Appendix B). 2-8. LEAKAGE DEFINITIONS FOR UNIT PMCS. It is necessary for you to know how fluid leaks affect the status of you equipment.  The following are definitions of the type / classes of leakage you need to know to be able to determine the status of the forklift.  Learn and be familiar with them and REMEMBER - when in doubt, notify your supervisor. LEAKAGE DEFINITIONS FOR UNIT PMCS Class I Seepage of fluid (as indicated by wetness or discoloration) not great enough to form drops Class II Leakage of fluid great enough to form drops, but not enough to cause drops to drip from the item being checked / inspected. Class III Leakage of fluid great enough to form drops that fall from the item being checked / inspected 2-4

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