Scott AIR-PAK 75i 2.2 Operating & Maintenance Instructions page 20

USE OF RESPIRATOR CONTINUED...
DONNING THE AV-3000 SURESEAL FACEPIECE
1. Adjust the head straps to the full outward position.
FIGURE 10-A
ADJUST HEAD STRAPS OUT
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.
FIGURE 10-B
HARNESS OUT OF WAY
3. Place the facepiece centered on the face with the chin properly posi-
tioned 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.
FIGURE 10-C
CHIN IN CHIN POCKET
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.
FIGURE 10-D
HEAD HARNESS POSITION
P/N 595236-01 Rev. B 10/11 Page 20 of 44
NOTE
ENSURE THAT THE CHIN IS PROPERLY
LOCATED IN THE CHIN POCKET OF
THE FACEPIECE THROUGHOUT THE
DONNING PROCESS.
NOTE
VERIFY THAT THE TOP CENTER POR-
TION OF THE HEAD HARNESS IS
POSITIONED OVER THE CROWN OF
THE HEAD.