TM 9-2350-261-34 14.15.16.Examine hose (1) and hose couplings (2) forcuts or cracks.Check nozzle (3) for proper operation.a. Check handle (4) for binding.b. Unscrew nozzle tip (5) and inspect forobstructions or damaged gasket (6).17.c. Inspect plunger tip (7) for cuts or brit–tleness.Check hose (1) for blockage.18.a. Place extinguisher (8) horizontally on sol-19.id surface and discharge outlet UP.b. Loosen filler cap (9) three and one halfturns.20.. ..C. Wipe nozzle (3) clean and blow into ex-tinguisher (8), observing gas escape fromfiller cap (9).d. Unscrew hose (1) from extinguisher (8)and check preformed packing (10) fordamage. If damaged, replace.Return extinguisher (8) to upright positionand remove filler cap (9). Remove anyremaining dust.Inspect filler cap (9) threads for nicks, crossthreading, corrosion, and wear.Check pressure relief vent (11) for obstruc-tions.Remove quad ring (12) and flat gasket (13)from filler cap (9).GO TO NEXT PAGE22-3
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