CHAPTER 10: MAINTENANCE OF PERSONNEL HEATER AND CONNECTING TM 9-2350-256-20COMPONENTS, AND FIXED FIRE EXTINGUISHER SYSTEM10-4 REPLACE/SERVICE FIRE EXTINGUISHER CYLINDERC Continuedb. INSPECTION1 Before installation, weigh each cylinder. The cylinder should weigh about 35 pounds (15.9 kilograms) whenfully charged. If weight is less than 90 percent of marked weight of cylinder, replace cylinder.2 Inspect the fire extinguisher data plate to ensure that a hydrostatic test has been performed within the past 5 years.Faulty extinguishers or those beyond the test time limit (5 years) shall be declared unserviceable and replaced.c. INSTALLATIONNOTESteps 1 and 2 apply to installation of newfire extinguisher cylinders only.1 Remove two cap assemblies (20 and 21) from eachfire extinguisher cylinder (5).2 Remove clamp (22) and two plugs (23) from eachfire extinguisher cylinder (5).NOTESteps 3 through 11 apply to both left andright banks.3 Install directional slide (16) with six newlockwashers (19) and six screws (18).10-12
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