Scott AIR-PAK 75i 2.2 Operating & Maintenance Instructions page 19

DONNING THE FOUR STRAP FACEPIECE
(including: AV-2000, AV-3000, and Weld-O-Vista)
1. Adjust the head straps to their full outward position.
2. Hold the facepiece in one hand and hold the head harness by the
strap at the base of the head net.
3. Place the facepiece on the face with chin properly located in the chin
pocket while pulling the head harness over the top of the head. Verify
that no hair or clothing is interfering with the face to facepiece seal.
See FIGURE 9-A.
4. Tighten the neck straps by pulling the two lower strap ends toward
the rear of the head. See FIGURE 9-B.
5. Stroke the head harness net down the back of the head using one
or both hands. Verify that the head harness is lying flat against the
back of the head. Retighten the neck straps. See FIGURE 9-C.
9-A
9-C
DONNING THE FOUR STRAP FACEPIECE
6. Tighten the two temple straps. Adjust the temple straps by pulling the
two temple strap ends toward the back of the head. Overtightening
may cause discomfort. See FIGURE 9-D.
7. Retighten the neck straps if required.
8. Refer to the DONNING PROBLEMS section of this instruction.
9-B
9-D
FIGURE 9
Page 19 of 44
NOTE
ENSURE THAT THE CHIN IS PROPERLY
LOCATED IN THE CHIN POCKET OF
THE FACEPIECE THROUGHOUT THE
DONNING PROCESS.
WARNING
FAILURE TO DON THE FACEPIECE AND/OR
FAILURE TO ADJUST THE HEAD HARNESS
AS DESCRIBED IN THIS INSTRUCTION MAY
RESULT IN A POOR FACE TO FACEPIECE
SEAL OR MAY RESULT IN THE FAILURE
OF THE FACE TO FACEPIECE SEAL DUR-
ING USE. A POOR OR FAILED FACE TO
FACEPIECE SEAL MAY REDUCE THE DURA-
TION OF USE OF THE RESPIRATOR AND/OR
EXPOSE THE USER TO THE ATMOSPHERE
THE RESPIRATOR IS INTENDED TO PRO-
TECT AGAINST RESULTING IN SERIOUS
INJURY OR DEATH.
NOTE
VERIFY THAT THE TOP CENTER POR-
TION OF THE HEAD HARNESS IS
POSITIONED OVER THE CROWN OF
THE HEAD.
USE OF RESPIRATOR
CONTINUED ON NEXT PAGE...
P/N 595236-01 Rev. B 10/11