TM 9-2350-277-20-2PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDINGLUBRICATION INSTRUCTIONS — Continued0155 00ITEMNO.INTERVALMAN-HOURITEM TO BECHECKED ORSERVICEDCREWMEMBERPROCEDUREEQUIPMENTNOT READY/AVAILABLEIF:69Semi-AnnualPortable andFixed FireExtinguisherWARNINGYou could be injured if cylinder dischargeswhen it is out of its mounting brackets oris dropped. Handle with great care.a. Weigh portable fire extinguishers. Recharge orexchange fire extinguisher if weight loss is morethan 10 percent of charged weight stamped onbottle. Fill out DA form 2402 to exchangecylinders.b. Check wire seal. Replace broken or damagedseal.Extinguisher ismissing orseal/hardwareis missing orbroken.WIRE SEALPORTABLEFIRE EXTINGUISHER015500-120
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