TM 9-2350-277-34PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDINGLUBRICATION INSTRUCTIONS — Continued0014 00WARNINGMagnesium may catch on fire if welded or exposed to high temperatures. Do not weld onmagnesium castings or expose them to high temperatures.WARNINGFine particles of magnesium can catch fire and burn you. Be very careful when filing orgrinding on magnesium. Use grinding equipment marked FOR MAGNESIUM GRINDINGONLY. Keep a Class D fire extinguisher close by.WARNINGWater and foam type fire extinguishers will cause magnesium fires to flare up. Use a Class D fireextinguisher or a sodium chloride base dry powder to fight magnesium fires.WARNINGImproper disposal of magnesium can cause a fire or explosion. Do not expose magnesium tohigh temperatures. Let magnesium dry before placing in sealed metal containers. Labelcontainers and ship to a Class 1 hazardous waste disposal site.1)FAN CASTINGS. Welding on fan magnesium castings is not authorized. Do not attempt to weld onthese parts.2)FILING OR GRINDING MAGNESIUM. You must observe the following safety precautions when filing orgrinding on magnesium:0014 00-12
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