TM 9-2350-261-20-lTable 2-1. Unit Level Preventive Maintenance Checks and Services for M113A2 FOVItemNo.76IntervalSemi-AnnualItem ToBeInspectedFixedFire Ex-tin-guisherProcedureNOTEExtinguisher contains CO,CAUTIONFire extinguisher control valvesealed with wire will not work,Make sure seal wire is made outof light copper.Remove and weigh fixed fire extin-guisher cylinder (page 42-13).Recharge or exchange fire extin-guisher if weight loss is more than 10percent of charged weight stamped onbottle.Inspect fire extinguisher cylinder dataplate to ensure that a hydrostatic testhas been performed within the past 5years. Faulty extinguishers or thosebeyond the test time limit (5 years)shall be declared unserviceable an re-placed.Not MissionCapable If:E x t i n g u i s h e r ismissing, seal/lock-wire missing or bro-ken, bottles overduehydrostatic test.2-98 Change 4
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