米勒miller_TM315焊机维修手册

ARC WELDING SAFETY PRECAUTIONSA WARNINGARC WELDING can be hazardousPROTECT YOURSELF AND OTHERS FROM POSSIBLE SERIOUS INJURY OR DEATH.KEEP CHILDRENAWAY.PACEMAKER WEARERS KEEP AWAY UNTIL CONSULTING YOUR DOCTOR.In welding,as in most jobs,exposure to certain hazards occurs.Welding is safe when precautions are taken.Thesafety infommation given below is only a summary of the more complete safety information that will be found in theSafety Standards listed on the next page.Read and follow all Safety Standards.HAVE ALL INSTALLATION,OPERATION,MAINTENANCE,AND REPAIR WORK PERFORMED ONLY BYQUALIFIED PEOPLE.ELECTRIC SHOCK can kill.temminal in disconnect box or that cord plug is connected to aTouching live electrical parts can cause fatal shocksproperly grounded receptacle outlet.or severe burns.The electrode and work circuit is7.When making input connections,attach proper groundingelectrically live whenever the output is on.The inputconductor first-double-check connections.power circuit and machine intemal circuits are alsoive when power is on.In semiautomatic or automatic8.Frequently inspectinput power cord for damage or bare wiring-wire welding,the wire,wire reel,drive roll housing.replace cord immediately if damaged-bare wiring can kill.and all metal parts touching the welding wire are9.Turn off all equipment when not in useelectrically live.Incorrectly installed or improperlygrounded equipment is a hazard.10.Do not use worn,damaged,undersized,or poorly splicedcables.1.Do not touch live electrical parts11.Do not drape cables over your body.2.Wear dry.hole-free insulating gloves and body protection12.If earth grounding of the workpiece is required,ground it directly3.Insulate yourself from work and ground using dry insulatingwith a separate cable-do not use work clamp or work cable.mats or covers big enough to prevent any physical contact with13.Do not touch electrode if you are in contact with the work.the work or ground.ground,or another electrode from a different machine.4.Disconnect input power or stop engine before installing or14.servicing this equipment.Lockout/tagout input power accordingUse only well-maintained equipment.Repair or replaceto OSHA 29 CFR 1910.147(see Safety Standards).damaged parts at once.Maintain unit according to manual.5.Properly install and ground this equipment according to its15.Wear a safety harness if working above floor level.Owner's Manual and national,state,and local codes.16.Keep all panels and covers securely in place.6.Always verify the supply ground-check and be sure that input17.Clamp work cable with good metal-to-metal contact topower cord ground wire is properly connected to groundworkpiece or worktable as near the weld as practical.ARC RAYS can burn eyes and skin;ARC RAYSNOISE can damage hearing;FLYINGSLAG OR SPARKS can injure eyes.2.Wear a welding helmet fitted with a proper shade of filter toprotect your face and eyes when welding or watching(see ANSIArc rays from the welding process produce intenseZ49.1 and Z87