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FAMB2 Respirator Assembly
Donning
1. Remove the FAMB2 respirator from the plastic shipping bag. Thread
breathing tube onto FAMB2 mask port. Lace the belt through the metal
slide that is attached at the quick-disconnect fitting at the end of the
breathing tube. Do not wear this respirator without the belt.
2. Connect the NIOSH-approved Bullard air supply hose to the air source
supplying Grade D breathable air. Clear the air supply hose by moving air
through it for a few minutes before connecting it to the quick-disconnect
fitting at the end of the air entry hose.
Mask
3. Loosen the mask’s elastic straps. Grasp the front of the facepiece with
one hand and the upper plastic strap (cradle suspension) with the other
hand. Position the respirator on your face so that the inside portion of
the facepiece (containing the exhalation valve) is under your chin and the
narrow portion of the facepiece is over your nose.
4. Place the plastic headband straps (cradle suspension) on your head so the
top plastic strap rests across the top of your head and the bottom plastic
strap rests above your ears on the back of your head. Then hook the bottom
elastic headband straps behind your neck and below your ears.
5. Adjust the position of the facepiece on your face for a comfortable fit. If
the elastic straps are too tight, remove the respirator from your face and
loosen the straps. The length of the elastic straps is adjustable.
Slide the strap through the slot of the headband yoke to lengthen it. Do this
on the four slots of the headband yoke as necessary. Replace the respirator
on your face according to Steps 3 and 4.
6. Hold the respirator body with one hand. With your other hand, tighten
the upper elastic straps on both sides by pulling in an upward direction
away from the facepiece. Tighten just enough so the respirator is securely
in place on the nose. CAUTION: DO NOT OVER-TIGHTEN! Tighten only
to eliminate leakage. Over-tightening distorts the mask and may cause
leakage.
For a comfortable fit, the headband straps must be adjusted equally on
both sides of the respirator. Tighten the bottom elastic straps by pulling in
the appropriate direction. Tighten enough to secure the respirator under
the chin.
7. To secure the elastic headband straps in place while wearing the respirator,
slide the small headband slides in an upward direction. There is one
headband slide on each side.
8. Perform a negative pressure fit check:
A) With mask on and secured, place the palm of your hand over the quick-
disconnect nipple located at the end of the breathing tube.
B) Inhale until the mask collapses inward slightly (indicating there is
negative pressure). Hold your breath for five seconds.
C) The mask is deemed to be in proper position if it remained collapsed
while the breath was being held and no inward leakage of outside air is
detected.
D) If mask doesn’t collapse or if an inward leak is detected, re-adjust mask
on face and repeat above steps until the test is passed.
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WARNING
If you cannot attain proper fit, try another mask size and go through the
same steps outlined above. if a proper fit is still not achieved, do not use
this respirator.
9. Fasten the belt at your waist or hip level, and adjust for comfort.
10. With the air flowing, connect the quick-disconnect fitting on the
respirator’s air entry hose to the quick-disconnect coupler on the air
supply hose. Once fitting is secured, release coupling sleeve to lock fitting
together. Pull on both hoses to make sure they are attached securely.
11. Adjust the air pressure at the “point-of-attachment" to within the
approved pressure range. See the Breathing Air Pressure Table on page 5
for the approved pressure range.
12. With the air flowing into your respirator, you are now ready to enter the
work area.
Doffing
1. When finished working, leave the work area wearing the respirator and
with the air still flowing.
2. Once completely outside the contaminated area, remove the respirator, and
disconnect the air supply hose using the quick-disconnect coupling.
NOTE:
If using V20 Series (1/2" I.D.) air supply hose, the quick-disconnect
coupler does not have a shut off valve. Therefore, the air will continue to
flow freely after it has been disconnected from the respirator.
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WARNING
LEAVE WORK AREA IMMEDIATELY IF:
- Any respirator component becomes damaged.
- Airflow into respirator mask stops or slows down.
- Air pressure gauge drops below the minimum specified in Breathing Air
Pressure Table (page 5).
- Breathing becomes difficult.
- You become dizzy, nauseous, too hot, too cold or ill.
- You taste, smell or see contaminants inside respirator mask.
- Your vision becomes impaired.
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WARNING
DO NOT leave respirator in work area or leave it unattended in a
contaminated environment. Respirable contaminants can remain suspend
in air for more than one hour after work activity ceases, even though
you may not see them. Proper work practice requires you to wear the
respirator until you are outside the contaminated area. If you set the
respirator down in a contaminated environment, contaminants, dirt and
dust could get into the respirator. When you put the respirator back on,
your could breath in contaminants.
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FAMB2 Respir
ator A
ssembly
