Page 23 of 48 P/N 595279-01 Rev. B 5/14
USE OF RESPIRATOR
CONTINUED ON NEXT PAGE...
DONNING THE AV-3000 HT FACEPIECE
1. Adjust the head straps to the full outward position. See FIGURE 11-A.
2. Hold the facepiece in one hand while holding the head harness up and
out of the way with other hand. If so equipped, use the Head Harness
Pull Tab on the bottom rear of the head harness. See FIGURE 11-B.
3. Place the facepiece centered on the face with the chin properly po-
sitioned in the chin cup. Verify that no hair or clothing is interfering
with the face to facepiece seal. Hold the facepiece in place with the
chin properly located in the chin cup throughout the donning process.
See FIGURE 11-C.
4. Stroke the head harness over the head and ensure that straps are
lying smooth and flat against the head and neck with no twists. Verify
the head harness is centered and properly located at the back and
base of the head. Maintain the head harness in this position. See
FIGURE 11-D.
NOTE
VERIFY THAT THE TOP CENTER POR-
TION OF THE HEAD HARNESS IS
POSITIONED OVER THE CROWN OF
THE HEAD.
NOTE
ENSURE THAT THE CHIN IS PROPERLY
LOCATED IN THE CHIN POCKET OF
THE FACEPIECE THROUGHOUT THE
DONNING PROCESS.
FIGURE 11-A
ADJUST HEAD STRAPS OUT
FIGURE 11-C
CHIN IN CHIN POCKET
FIGURE 11-B
HARNESS OUT OF WAY
FIGURE 11-D
HEAD HARNESS POSITION
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