10
/
24
2.2
Pressures
and
air
flow
The
feeding
air
line
shall
be
as
follows:
‐
1
User:
pressure
from
6.5
to
7.5
bar
–
air
flow
at
least
300
l/min.
Warning:
air
for
compressed
air
breathing
devices
shall
conform
to
EN
12021.
Do
not
use
Oxygen
or
Oxygen
enriched
air.
3.
DIRECTIONS
FOR
USE
3.1.
Check
before
use
–
Visual
inspection
Check
the
following:
‐
Integrity
of
harness
and
cylinder
sleeve
‐
Pressure
reducer,
Demand
Regulator,
hoses
‐
Connections
of
3
Way
Valve
‐
Integrity
of
full
face
mask
(see
relevant
information
notice)
‐
Cylinder
and
gauge
group.
Check
filling
pressure
via
pressure
gauge:
hand
shall
indicate
the
green
area
of
the
face.
Note:
To
avoid
finding
the
set
empty
when
really
needed,
we
advise
regularly
checking
the
pressure
of
the
cylinder
(see
para.
4).
3.2.
Tightness
and
function
tests
The
following
tests
shall
be
performed
before
donning
the
apparatus.
3.2.1.
Medium
pressure
tightness
Lock
the
regulator
by
pressing
the
side
push
button.
Open
Cylinder
valve
and
make
sure
there
are
no
audible
leaks
from
MP
hoses.
If
necessary
use
soapy
water
to
spot
the
leak.
Check
specially
that
there
are
no
leaks
from
the
male
connector
of
the
3
Way
Valve.
3.2.2.
Check
the
acoustic
warning
device
With
closed
regulator
and
open
cylinder,
press
the
regulator’s
rubber
button
and
vent
out
plenty
of
air;
shut
the
regulator
with
the
special
button,
disconnect
the
air
line
from
the
3
way
valve
and,
at
this
stage,
open
again
the
regulator
by
acting
on
the
rubber
button
whilst
stopping
the
air
from
flowing
with
the
palm
of
your
hand.
Gently
discharge
air
intermittently
until
when
a
loud
sounding
vibration
is
heard.
Block
the
regulator
by
acting
on
the
side
button
to
avoid
a
further
and
useless
waste
of
air.
3.3.
Apparatus
donning
Perform
as
follows:
‐
Wear
shoulder
strap
on
right
shoulder
and
fasten
waist
belt.
Both
straps
are
adjustable
in
length,
the
cylinder
shall
be
worn
on
a
side
and
can
be
fixed
to
the
leg
with
the
special
strap.
The
3
Way
Valve
shall
be
opposite
to
the
cylinder.
Note:
If
you
prefer
to
hang
cylinder
on
the
left
side,
before
use,
slip
the
3
Way
Valve
off
the
waist
belt
and
reinsert
it
on
the
opposite
side.
‐
Lock
the
demand
regulator
by
acting
on
the
special
button
‐
Don
the
mask
and
perform
the
tightness
test
according
to
the
instructions
that
come
along
with
the
product
‐
Doff
the
mask
‐
Connect
the
regulator
to
the
mask
connector
and
push
until
the
small
hooks
click
into
the
special
groove
‐
Connect
the
regulator’s
hose
to
the
special
outlet
(B)
of
the
3
Way
Valve
‐
Hang
the
mask
around
your
neck,
by
means
of
the
special
ribbon
‐
Connect
the
air
line
to
the
special
inlet
(C)
of
the
3
Way
Valve.
Warning:
before
connecting
the
airline
make
sure
that
the
air
meets
with
the
requirements
for
quality,
pressure
and
flow
(see
para.
2.2)
‐
Open
the
cylinder
by
turning
the
special
knob
counter
clock
wise;
the
direction
of
the
turn
is
clearly
indicated
on
the
knob.
The
opening
valve
shall
be
opened
until
it
stops.
3.4.
Use
When
the
apparatus
is
donned
and
all
settings
are
done
it
is
possible
to
use
the
apparatus.
‐
Don
the
mask
as
explained
in
para
3.3
and
detailed
in
the
relevant
instructions.
When
the
mask
is
positioned,
at
the
first
breath
‐
in
the
regulator
opens
and
starts
delivering
air
on
demand
‐
Make
sure
the
breathing
hose
permits
a
free
movement
of
the
head.
Should
movement
be
impaired,
re
‐
adjust
the
hose
by
fixing
it
with
the
special
Velcro
tab
on
the
shoulder
strap
‐
The
user
can
now
normally
breathe
and
enter
the
work
area.
Normal
use:
When
the
mission
is
over
he
shall
retreat
to
a
safe
zone
taking
care
to
drag
along
the
air
line
or
disconnect
it
before
doing
so.
Emergency
use:
should
the
alarm
start
up
or
should
the
wearer
leave
the
work
environment,
disconnect
the
air
line
by
acting
on
the
quick
coupling.
Breathe
normally
and
rapidly
leave
the
area
through
the
escape
path.
3.5.
After
use
Safety
Warning:
do
not
doff
the
apparatus
until
when
you
are
in
a
safe
area.
