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> Protect Yourself From Chemical/biological, Transplant
Meety Peety
post Sep 26 2008, 01:47 PM
Post #1


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Posts: 147
Joined: 19-July 08
From: San Diego, CA
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QUOTE (silent_assassin @ May 16 2005, 03:01 PM) *
CONDITIONS: Given your assigned protective mask with hood and carrier.

STANDARDS: Don, clear, and check your mask within 9 seconds.

PERFORMANCE STEPS:

NOTE: You must complete steps 1 through 3 within 9 seconds.

1. Don the mask as quickly as possible.

a. Stop breathing and close your eyes. (Time starts now.)

b. Remove your helmet.

(1) If you have the M17-, M24-, M25-, M40-, M43-, or M45-series protective mask, put your helmet between your legs (above your knees) or hold your rifle between your legs and place your helmet on the muzzle. If you drop your helmet, continue to mask.

(2) If you have the M42-series protective mask, remove your helmet and place it in a convenient location. Avoid placing it on a contaminated surface if possible.

WARNING: DO NOT WEAR CONTACT LENSES WITH THE PROTECTIVE MASK. REMOVE CONTACT LENSES WHEN THE USE OF CHEMICAL AGENTS IS IMMINENT.

c. Take off your glasses, if applicable.

d. Open the mask carrier with one hand.

e. Grasp the mask assembly with your other hand and remove it from the carrier.

f. Put your chin in the chin pocket and press the facepiece snugly against your face.

NOTE: The temple and forehead straps have already been adjusted during fitting.

g. Grasp the tab and pull the head harness over your head. Ensure that your ears are between the temple straps and the cheek straps. Ensure that the head harness is pulled far enough over so that the forehead straps are tight.

h. Use one hand to tighten the cheek straps, one at a time, while holding the head pad centered on the back of your head with the other hand. Ensure that the straps lay flat against your head.

2. Clear the mask.

a. Seal the outlet valve by pushing in on the center of the outlet valve cover with one hand.

b. Blow out hard to ensure that any contaminated air is forced out around the edges of the facepiece.

3. Check the mask.

a. Cover the inlet port of the filter canister (M40- and M45-series) or the inlet port of the armor quick disconnect (M42-series) with the palm of your hand and breathe in.

b. Ensure that the facepiece collapses against your face and remains so while you hold your breath (indicates that the mask is airtight).

c. Remove any hair, clothing, or other matter between your face and the mask if the facepiece does not collapse to your face.

4. Complete steps 1 through 3 within 9 seconds.

5. Resume breathing.

6. Secure the mask hood.

NOTE: There are no time standards for donning the hood.

CAUTION: BE CAREFUL WHEN PULLING ON THE HOOD, BECAUSE IT COULD SNAG ON THE BUCKLES OF THE HEAD HARNESS AND TEAR.

a. If you have the M17-, M25-, M42-, or M43-series protective mask, pull the hood over your head and zip the front closed to cover all bare skin.

b. If you have the M24- or M45-series protective mask, pull the M7 hood over your helmet and head so that it covers your shoulders.

c. If you have the M40-series protective mask, don the hood so that it lies smoothly on your head.

(1) For masks equipped with the regular hoodó

(a) Grasp the back edge of the hood skirt.

(cool.gif Pull the hood completely over your head so that it covers the back of your head, neck, and shoulders.

© Zip the front of the hood closed by pulling the zipper slider downward.

(d) Tighten the drawcord.

(e) Secure the underarm straps by fastening and adjusting them.

(f) Put on your helmet. If you have a combat vehicle crewman (CVC) helmetó

(I) Disconnect the boom microphone from the helmet.

(ii) Connect the mask microphone to the receptacle in the helmet.

(iii) Grasp the helmet next to the ear cups, with your hand spread as far as possible.

(iv) Place the helmet over your head, tilting the helmet forward slightly so that the first contact when putting it on is with the forehead surface of the mask.

(v) Rotate the helmet back and down over your head until it is seated in position.

(2) For masks equipped with the quick-doff hoodó

(a) Place your hands inside the hood and expand the elastic gathering around the neck of the hood.

(cool.gif Stretch and carefully pull the hood over your head so that the hood covers your head, neck, and shoulders.

© Fasten and adjust the underarm straps.

(d) Put on your helmet (see above for the CVC helmet).

7. Close the mask carrier and continue your mission.

8. Perform all steps in sequence without becoming a casualty



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