Check Dv/Open Cylinder Valve; Don Facemask; Facemasks With A Web Harness; Facemasks With A Net Harness - Scott Contour User Instructions

CONTOUR
4.2 CHECK DV/OPEN
CYLINDER VALVE
1. Check that the flat on the DV
bypass knob aligns with the DV outlet and
press the black reset button.
2. Open the cylinder valve slowly with
your right hand, whilst holding the
pressure gauge in your left (on Duo Sets
open only one cylinder valve) and check
that the pressure gauge reads 80% FULL
(170 bar for 200 and 207 bar cylinders
and 240 bar for 300 bar cylinders).
WARNING:
When opening cylinder valve, DO NOT
use the high-pressure
leverage.
4.3

DON FACEMASK

4.3.1 Facemasks with a Web
Harness
hose as
14
1. Hold the head-harness
straps, place chin in chin-cup and pull
straps over back of head, brushing hair
away from face-seal.
2. Adjust the facemask top strap so
that the mask is at the correct level with
the face and the head-harness pad is in
the centre of the back of the head and
then tighten harness straps in sequence:
Bottom, Middle, Top. DO NOT over-
tighten.
3. Inhale deeply to activate the DV
then breathe normally.
4.3.2 Facemasks with a Net
Harness
1. Hold the mask by the side of the
net harness, place the chin into the chin-
cup and pull the mask onto the face.
Grasp the pull-strap at the rear of the net
harness and pull the net over the head.
lower