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CHEMICAL-BIOLOGICAL MASK: FIELD M40

CHEMICAL-BIOLOGICAL MASK: FIELD M40. IAW TM 3-4240-339-10. CHEMICAL-BIOLOGICAL MASK: FIELD M40. CHARACTERISTICS CAPABILITIES FEATURES PMCS BATTLE DRESS OVERGARMENTS. CHARACTERISTICS. LIGHTWEIGHT TRANSPORTED AND STORED IN CARRIER

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CHEMICAL-BIOLOGICAL MASK: FIELD M40

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  1. CHEMICAL-BIOLOGICAL MASK: FIELD M40 IAW TM 3-4240-339-10

  2. CHEMICAL-BIOLOGICAL MASK: FIELD M40 • CHARACTERISTICS • CAPABILITIES • FEATURES • PMCS • BATTLE DRESS OVERGARMENTS

  3. CHARACTERISTICS

  4. LIGHTWEIGHT • TRANSPORTED AND STORED IN CARRIER • FACEPIECE IS MADE OF SILICONE RUBBER WITH INTURNED SEALING SURFACE SO IT CAN FORM A SEAL ON YOUR FACE • SECOND SKIN FOR ADDITIONAL PROTECTION FROM LIQUID AGENTS (M40A1 ONLY) • QUICK DOFF HOOD FOR EASY DONNING OPERATION (M40A1 ONLY) • INCLUDES BOTH CLEAR AND NEUTRAL GRAY OUTSERTS • CANISTER QUICKLY AND EASILY REPLACED

  5. CAPABILITIES

  6. WHEN WORN WITH PROPER CANISTER INSTALLED, THE FACEPIECE PROTECTS FACE, EYES AND LUNGS FROM CONCENTRATIONS OF CHEMICAL-BIOLOGICAL (CB) AGENTS, TOXINS AND RADIOACTIVE FALLOUT PARTICLES. THE CANISTER MAY BE INSTALLED ON EITHER SIDE OF THE FACEPIECE

  7. FEATURES

  8. INLET VALVE DISK: allows filtered air to enter the face piece and prevents moist exhaled air from enter- ing canister FACE PIECE: Provides a seal Against CB agents HEADHARNESS: Consists of Head pad, forehead straps , temple Straps, cheek straps, and donning tab

  9. OUTLET VALVE DISK/COVER: releases exhaled air and pre- vents unfiltered air from enter- ing face piece NOSECUP VALVE DISK: allows filtered air to enter Nose cup and prevent moist exhaled air from fogging Eye lenses in cold weather AIRFLOW DEFLECTOR: Directs inhaled air over eye- Lenses to prevent fogging

  10. CANNISTER: Filters out CB agent And other particles From contaminated air FRONT/SIDE VOICEMITTER: Transmit your voice outside the face- piece CARRIER: Provides for storage and carrying of mask.Shoulder strap, waist strap, short strap, adjust- able strap INTERNAL/EXTERNAL DRINK TUBE: Allows operator to drink while wearing the facepiece

  11. HOOD: Rubber coated fabric which protects neck and areas of head not covered by your mask against CB agents OUTSERTS: Fit over face piece eyelense rings to secure outserts to face piece Neutral gray: reduces sun glare WATERPROOF BAG: Keeps mask dry when required by climate and mission

  12. PMCS • WHY IS IT IMPORTANT?

  13. Item Interval ITEM TO BE INSPECTED NMC B A W Canister. 1 Canister is Cracked or Dented over ¼ deep or Damaged on A seam, or Has holes. X X Remove filter canister. Check Canister for cracks, dents or holes. Check air intake to make sure it is Not clogged with dirt. X X Threads are Damaged Loose particles Rattle or dust Falls out Check for damaged threads on canister x x Shake canister and listen for loose particles x x

  14. Item Interval ITEM TO BE INSPECTED NMC B A W Eye lenses, Eye rings, Outserts 2 . Eye lenses are Cracked or cut Eye rings are Bent or corroded Outserts are Broken or Distorted enough To affect vision Check eye lenses for cracks, cuts Scratches, or discoloration X X Check eye rings for corrosion x x Check both set of outserts for chips Cracks or discoloration that affect vision x x

  15. Item Interval ITEM TO BE INSPECTED NMC B A W Hood. Hood has more than two pin holes, cuts, holes or tears Fabric is sticky or gummy Fabric is peel- ing or worn Straps or cord missing, zipper is torn or broken 3 . Caution: When examining hood, avoid Open flame and exposed light bulbs Check for cuts, holes or tears X X Sticky or gummy area, Peeled or worn coating x x Check straps, zipper x x

  16. Item Interval ITEM TO BE INSPECTED NMC B A W Face piece. 4 . Face piece is dirty Silicone rubber has holes, tears, which will allow air to enter Eye lenses or housing pulls away from face piece Visually inspect inside surface for dirt,Mud, and greasy oily substance X X Check for holes, tears by holding In front of light x x Check silicone rubber next to Eye lenses to ensure they will not Pull away from face piece x x

  17. Item Interval ITEM TO BE INSPECTED NMC B A W Head harness. 5 . Head harness Will not hold Face piece Against face Harness is cut Torn or frayed Check for elasticity, Check straps For cut, tears or deterioration x x

  18. Item Interval ITEM TO BE INSPECTED NMC B A W Buckles. 6 . Buckles are Bent, cracked Or will not hold Straps Buckles are Missing or broken Check for bends, cracks or Corrosion Check for missing or broken buckles X X x x

  19. Item Interval ITEM TO BE INSPECTED NMC B A W Outlet valve disk. 7 . Outlet valve Disk is missing Outlet valve Disk is nicked Torn, ripped, Or will not Seat properly Check to see if outlet valve disks are present x x Check for nicks, tears or rips. Wipe off moisture x x

  20. Item Interval ITEM TO BE INSPECTED NMC B A W Internal/External Drink Tube. 8 . Either tube is Missing or Cracked Internal tube Misaligned External tube Connection loose Check that both tubes are present. Check internal tube for alignment Check external tube for solid connections x x x x x x

  21. Item Interval ITEM TO BE INSPECTED NMC B A W Airflow Defector. 9 . Deflector not Mounted Correctly Mounting holes Are cut or torn Check that deflector is securely Mounted and that flanges are in The holes Check mounting holes for cuts or tears X X x x

  22. Item Interval ITEM TO BE INSPECTED NMC B A W Inlet Valve. 10 . Inlet valve Disk missing Valve disk is Torn or cut Check that valve disk is present and Properly mounted Check for cuts, holes or tears x x x x

  23. Item Interval ITEM TO BE INSPECTED NMC B A W Nose cup Assembly. 11 . Nose cup disk Are missing Nose cup Pulled away From front Voicemitter housing Check for disk. Check that nose cup is not pulled Away from back of front voice- mitter X X x x

  24. Item Interval ITEM TO BE INSPECTED NMC B A W Voicemitters. 12 . Retaining rings Corroded or Cracked Voicemitter Dented or Installed back- wards x x Check retaining rings for corrosion, or cracks Check for dents or punctures. Make sure the four beads in the center of the voicemitter is facing outward x x

  25. Item Interval ITEM TO BE INSPECTED NMC B A W Carrier. 13 . Carrier is Dirty. Straps Are torn or Hardware is Missing Mildew is present x x Check for torn straps or missing hardware. Check for cleanliness, and mildew

  26. Item Interval ITEM TO BE INSPECTED NMC B A W Waterproof Bag. 14 . Bag is Torn or has holes Check bag for tears, holes and cracks X X

  27. Item Interval ITEM TO BE INSPECTED NMC B A W Second Skin. 17 . Second skin Is dirty Second skin Has tears or Splits larger Than ¼ length Or diameter Check second for cuts, holes or Tears Check for dirt or greasy or oily substances X X x x

  28. PROTECTIVE GEAR The BDO is a camouflage colored, woodland or desert two piece garment consisting of one coat and one pair of trousers. The BDO provides protection against chemical agent vapors, liquid droplets, biological agents, toxins, and radioactive alpha and beta particles. When remove from its vapor barrier bag it lasts for a minimum of 30 days. The wear time may be extended by the Commander. The key to its effectiveness is its serviceability. Upon exposure, it provides 24 hours of protection.

  29. . WITH PROTECTIVE GEAR WITHOUT PROTECTIVE GEAR

  30. SUMMARY • CHARACTERISTICS • CAPABILITIES • FEATURES • PMCS • BATTLE DRESS OVERGARMENTS

  31. QUESTIONS

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