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LT. 1.1 PROTECTIVE MASK AND CLOTHING (1-1 page 1)

LT. 1.1 PROTECTIVE MASK AND CLOTHING (1-1 page 1). Enabling objectives. 1.1 Inspect individual protective mask . 1.2 Perform the five levels of mission-oriented protective posture. 1.3 Describe the procedures for relieving oneself in a contaminated environment. MCU-2/P MASK.

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LT. 1.1 PROTECTIVE MASK AND CLOTHING (1-1 page 1)

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  1. LT. 1.1 PROTECTIVE MASK AND CLOTHING (1-1 page 1)

  2. Enabling objectives • 1.1 Inspectindividual protective mask. • 1.2 Performthe five levels of mission-oriented protective posture. • 1.3 Describe the procedures for relieving oneself in a contaminated environment.

  3. MCU-2/P MASK • Sizes are : • small • medium • large Identified by a raised letter on facepiece.

  4. Head Harness Facepiece Lens Nosecup Nosecup Valves Voicemitter Inlet Valve Assy Outlet Valve Assy Outlet Valve Cover Drinking Tube MCU-2/P MASK COMPONENTS

  5. 1. Head Harness 2. Buckles 3. Tabs 6. Side Voicemitter Retaining Ring. 7. Side Voicemitter 4. Faceseal 5. Facepiece 6. Lens 9. Front Voicemitter Retaining Ring 10. Front Voicemitter MCU-2/P MASK Inspection (page 3)

  6. 14. External Drinking Tube 13. Outlet Valve Cover MCU-2/P MASK Inspection 11. Inlet valve disk 12. Outlet Valve Disk 15. Internal Drinking Tube 16. Nosecup

  7. Canisters are packaged in sealed containers and have a shelf life of five years from date of manufacture. Extensions are based on surveillance test results. CANISTER (page 4) Canisters not effective against ammonia, carbon monoxide, carbon dioxide, commercial fuel gases, nitrous fumes, or sulfur dioxide

  8. CANISTER SHOULD BE CHANGED WHEN: • Clear indication chemical/biological agents is imminent and MOPP level III is set by Commanding Officer • Thirty days after exposure • Immediately after exposure to blood agents

  9. ACCESSORIES (pages 5 and 6) • Carrier • Outserts • Water proofing bag

  10. CARRIER (page 5) • Web Belt carry. The mask should be stored in a ready condition inside the mask carrier. May be worn in any of these three positions.

  11. Waist carry

  12. shoulder carry

  13. Shoulder strap D-ring Front hook Waist strap Rear hook Shoulder strap pocket Waist strap hook Pile fastener Accessory pocket Carrier flap pull tab Inside top pocket Large inside pocket CARRIER

  14. OUTSERTS • Protects the mask while stored in the mask carrier and also protect the lens from chemical droplets and oil/petroleum products when the mask is worn. • Issued in two sizes, small and medium/large.

  15. Twist gathered end of bag tightly, fold twisted part back Use a rubber band, secure end Place bag in carrier Close carrier flap Remove the waterproofing bag Put the mask in the bag Gather open end Squeeze bag WATER PROOFING BAG (page 6) Stowed in the carrier- used to protect the mask and canister from moisture. To use the water proofing bag, the following applies:

  16. WARNING!!!! • DO NOT STORE FOOD IN THE WATERPROOF BAG. POSSIBLE TOXIC EFFECTS COULD RESULT. • DO NOT STORE YOUR MASK IN THE WATERPROOF BAG FOR MORE THAN 24 HOURS, MOISTURE AND OFF-GASSING BUILD-UP IN THE BAG MAY AFFECT THE CANISTER.

  17. ADDITIONAL ACCESSORIES • Combat Spectacles (MAG 1) • M-1 Canteen Cap

  18. MASK FITTING PROCEDURES (page 7 through 10) • A correctly adjusted mask is necessary for the mask to fit properly. • Remove outsert and canister. • Loosen straps all but one inch from buckle • Reverse head harness • Pull head harness, quick don tab • Tighten temple straps • Headpad centered

  19. MASK FITTING PROCEDURES • NOTE *** TIGHTEN ALL STRAPS TOWARDS THE REAR OF YOUR HEAD. • WARNING !!!!! DO NOT OVERTIGHTEN STRAPS, THIS MAY CAUSE DISTORTION OF MASK, CAUSING LEAKS.

  20. MASK FITTING PROCEDURES • Chin strap tighten • Forehead strap tighten • Shake head side to side and up and down retighten if necessary. • Install canister • Test drinking tube

  21. NEGATIVE PRESSURE CHECK (page 8) • Press palm over canister, breathe in lightly until resistance is felt. Hold breath for five to ten seconds.

  22. WARNINGS!!!!! • DO NOT HOLD THE MASK BY CANISTER. A CANISTER WHICH HAS NOT BEEN SEATED PROPERLY IS THE MOST COMMON CAUSE OF LEAKING MASK. • COLLAPSING THE LENS WHILE PERFORMING NEGATIVE PRESSURE CHECK MAY UNSEAT THE OUTLET VALVE DISC AND CAUSE IT TO BECOME LODGED IN THE OUTLET VALVE BODY.

  23. NEGATIVE PRESSURE CHECK (page 8) • If outlet valve disc should become lodged, follow procedures below. • Hold breath and close eyes • Hold facepiece firmly against face, pull down and out on outlet valve cover to expose disc • Dislodge disc by lightly rubbing in a circular motion.

  24. NEGATIVE PRESSURE CHECK • Clear mask by exhaling • Conduct negative pressure check • Open eyes and breath normally • Replace outlet valve cover

  25. LEAK CHECKS • You must check the mask for leaks when it is fitted, each time you put it on and when you change canisters. • Install canister before performing leak checks.

  26. DRINKING TUBE LEAK CHECK (page 8) • To perform a leak check the following procedures should be used. • Test drinking tube-blow into, until resistance is felt.

  27. DONNING PROCEDURES (page 9) With suspected presence of contamination, don your mask immediately before taking another breath. • You must presume the following prior to donning the mask • eyeglasses or contact lenses removed mask leak checked and ready for donning procedures

  28. DONNING PROCEDURES • Open eyes and resume • normal breathing • Check seal by covering • canister opening and inhaling • Expel air that has been held • in the lungs • Don mask using the • quick don pull tab • Secure hood, don headgear Close carrier Stop breathing • Close eyes tightly • Open carrier and remove mask • Remove headgear • Tighten neck straps

  29. DOFFING PROCEDURES (page 9) For uncontaminated environment are as follows : • Loosen mask neck straps • Unfasten and lower hood Remove headgear • Remove mask • Reverse head harness, shake or wipe any moisture from inside mask. • Stow mask in carrier

  30. DOFFING PROCEDURES For a Contaminated or Unknown Environment: With a M256A1 kit (15 min) Without a M256A1 kit

  31. DOFFING PROCEDURES • For a Contaminated or Unknown Environment: • Should be conducted as soon as possible to alleviate soldiers’ encapsulation and restore their combat potential. • Two Unmasking Procedures: • With M256A1 Chemical Agent Detector Kit • Without M256A1 Chemical Agent Detector Kit

  32. Overview of Unmasking Procedures (cont.) • Selected soldiers should be disarmed before they unmask. • Should be conducted in shade. Bright, direct sunlight can cause pupils in the eyes to constrict, giving false signs of nerve agent exposure.

  33. Unmasking with the M256A1 Chemical Agent Detector Kit • (1) Senior person present selects one or two soldiers to unmask after permission is received from higher headquarters. • (2) Conduct unmasking procedures in shade. • (3) Use M256A1 Chemical Agent Detector Kit to test for chemical agents. Use M8 Paper to check for liquid contamination. • NOTE: Continue only if both tests come up negative.

  34. Unmasking with the M256A1 Chemical Agent Detector Kit (cont.) • (4) Direct at least two soldiers to unmask for 5 minutes and then don, seal, and clear masks. • (5) Observe these soldiers for 10 minutes for symptoms. • (6) If no symptoms appear, direct all soldiers to unmask.

  35. Unmasking with the M256A1 Chemical Agent Detector Kit (cont.) • (7) Check soldiers for delayed symptoms. Have first aid treatment available. • (8) Complete steps (1) through (7) in sequence. • NOTE: This entire procedure will take approximately 15 minutes.

  36. Unmasking without M256A1 Chemical Agent Detector Kit • (1) Senior person present selects one or two soldiers to unmask after permission is received from higher headquarters. • (2) Conduct unmasking in the shade. • (3) Use M8 paper to check for possible liquid contamination. • NOTE: Continue unmasking procedures only if test is negative.

  37. Unmasking without M256A1 Chemical Agent Detector Kit (cont.) • (4) Select one or two soldiers to take a deep breath and break the seals of their masks, while keeping their eyes open for 15 seconds; then reseal and clear their masks. • (5) Observe them for 10 minutes for symptoms. • (6) If no symptoms appear, direct these soldiers to break the seals of their masks, take two or three breaths, and then reseal and clear their masks.

  38. Unmasking without M256A1 Chemical Agent Detector Kit (cont.) • (7) Observe them for 10 more minutes for symptoms. • (8) If no symptoms appear, direct these soldiers to unmask for 5 minutes and then don, seal, and clear their masks. • (9) Observe them for 10 minutes for symptoms.

  39. Unmasking without M256A1 Chemical Agent Detector Kit (cont.) • (10) If no symptoms appear, direct all soldiers to unmask. • (11) Check soldiers for delayed symptoms and have first aid available. • (12) Complete steps (1) through (11) in sequence. • NOTE: This entire procedure will take approximately 35 minutes.

  40. CHEMICAL PROTECTIVE ENSEMBLE (Saratoga Suit) (Page 11) • Individual protective action should be an immediate concern when personnel are under chemical, biological, and radiological attack.

  41. CHEMICAL PROTECTIVE ENSEMBLE (page 11) • The Saratoga Suit is a camouflage over garment consisting of a coat and trousers. Normally worn over uniform, in high temps, may be worn over underwear. • The suit protects against chemical agent vapors, liquid droplets, biological agents, toxins and radioactive alpha particles. Contact with POL’s will significantly degrade protection provided by suit. • Contaminated environment, provides 24 hours of protection. • Can be worn for 30 consecutive days and may be laundered up to 10 times within those 30 days.

  42. MOPP 0 MOPP I MOPP II MOPP III MOPP IV FIVE LEVELS OF MISSION ORIENTED PROTECTIVE POSTURE/DONNING PROCEDURES (MOPP) M ission NOTE: MOPP Levels 1-4 can be either Open or Closed reference unit SOP O riented P rotective P osture

  43. MOPP I MOPP II SMOCK • OVERBOOTS DON TROUSERS

  44. Lacing Overboots Single Rear Eyelet (older model) Two Rear Eyelets (newer model)

  45. MOPP IV MOPP lll Don chemical cotton liners,and gloves • DON MASK

  46. CAUTION!!! • ENSURE THAT THE HOOD IS PULLED DOWN SECURELY AROUND THE FACEPIECE OF THE MASK SO THAT NO SKIN IS EXPOSED

  47. MASK ONLY POSTURE • WARNING *** DO NOT USE MASK ONLY POSTURE WHEN BLISTER/ NERVE AGENTS ARE PRESENT.

  48. RELIEF OF BODILY WASTE

  49. SUMMARY AND REVIEW • PROTECTIVE MASK • CHEMICAL PROTECTIVE CLOTHING • MISSION ORIENTED PROTECTIVE POSTURE • RELIEF OF BODILY WASTE

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