TM 9-2350-247-20-1PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDINGLUBRICATION INSTRUCTIONS — Continued0128 00ITEMNO.INTERVALMAN-HOURITEM TO BECHECKED ORSERVICEDCREWMEMBERPROCEDUREEQUIPMENTNOT READY/AVAILABLEIF:a. Weigh portable fire extinguishers. Replace fireextinguisher if weight loss is more than 10percent of charged weight shown on cylinder(WP 0526 00). Fill out DA Form 2402 forrecharging or DA 2407 to exchange cylinders.CAUTIONFire extinguisher control valve sealed withwire will not work. Make sure seal wire ismade out of light copper.b. Check wire seal. Replace broken or damagedseal (WP 0527 00 or WP 0528 00).0128 00-37
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