Miller ARC PAK 350 Manual do Proprietário - Página 7

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Miller ARC PAK 350 Manual do Proprietário
Prohibited
use.
Never
use a
cylinder
or
its
contents for
other than its intended use, NEVER
as a
support
or
roller.
Locate
or secure
cylinders
so
they
cannot
be knocked
over.
Passageways
and work
areas.
Keep cylinders clear
of
areas
where
they
may
be struck.
Transporting cylinders.
With
a
crane,
use a secure
sup
port
such
as a
platform
or
cradle. Do NOT lift
cylinders
off
the
ground by
their valves
or
caps,
or
by
chains,
slings,
or
mag~nets.
Do NOT
expose
cylinders
to
excessive
heat,
sparks,
slag,
and
flame,
etc.
that may
cause
rupture.
Do
not
al
low
contents to exceed
130F.
Cool with
water
spray
where such exposure exists.
Protect
cylinders particularly
valves from
bumps,
falls,
falling objects,
and weather.
Replace
caps
securely
when
moving cylinders.
Stuck
valve. Do NOT
use a
hammer orwrench
to
open
a
cylinder
valve that
can
not
be
opened by
hand.
Notify
your
supplier.
Mixing
gases. Never
try
to
mix
any gases
in
a
cylinder.
Never refill any
cylinder.
Cylinderfittings
should
never
be modified
orexchanged.
3.
Hose
Prohibited
use.
Never
use
hose
otherthan
that
designed
for the
specified.gas.
A
general
hose
identification
rule
is: red for fuel
gas, green
for
oxygen,
and black for inert
gases.
Use ferrules
or
clamps designed
for the hose
(not
ordi
nary wire
or
other
substitute)
as a
binding
to connect
hoses
to
fittings.
No copper
tubing splices.
Use
only
standard brass fit
tings
to
splice
hose.
Avoid
long
runs
to
prevent
kinks and abuse.
Suspend
hose off
ground
to
keep
it from
being
run
over,
stepped
on,
or
otherwise
damaged.
Coil
excess
hose
to
prevent
kinks and
tangles.
Protect hose from
damage by sharp edges,
and
by
sparks,
slag,
and open flame.
Examine hose
regularly
for
leaks,
wear,
and loose
con
nections. Immerse
pressured
hose in
water;
bubbles in
dicate leaks.
Repair leaky
orwom
hose
by cutting
area
out
and
splic
ing (1-203).
Do NOT
tape.
4.
Proper
Connections
Clean
cylinder
valve outlet of
impurities
that may
clog
orifices and
damage
seats before
connecting regulator.
Except
for
hydrogen,
crack valve
momentarily, pointing
outlet away from
people
and
sources
of
ignition. Wipe
with
a
clean lintless cloth.
Match
regulator
to
cylinder.
Before
connecting,
check
that the
regulator
label and
cylinder
marking
area,
and
thatthe
regulator
inlet and
cylinderoutlet
match. N
EVER
CONNECT
a
regulator designed
for
a
particular
gas
or
gases
to
a
cylinder containing
any other gas.
Tighten
connections. When
assembling
threaded
con
nections:
clean and smooth
seats where
necessary.
Tighten.
If
connection
leaks, disassemble, clean,
and
retighten using properly fitting
wrench.
Adapters.
Use
a
CGA
adapter (available
from your sup
plier)
between
cylinder
and
regulator,
if
one
is
required.
usetwowrenchestotighten adaptermarked
RIGHTand
LEFT HAND threads.
Regulatoroutlet (or hose)
connections may be identified
by right
hand threads for
oxygen
and left hand threads
(with grooved
hex
on
nut
or
shank)
for fuel gas.
5.
Pressurizing Steps:
Drain
regulator
of residual gas
through
suitable
vent
be
fore
opening cylinder (or
manifold
valve) by turning
ad
justing
screw
in
(clockwise). Draining prevents
exces
sive
compression
heat
at
high
pressure
seat
by allowing
seat to
open
on
pressurization.
Leave
adjusting
screw
engaged slightly
on
single-stage regulators.
Stand
to
side
of
regulator
while
opening cylinder
valve.
Open cylinder
valve
slowly
so
that
regulator
pressure in
creases
slowly.
When gauge is
pressurized (gauge
reaches
regulator maximum)
leave
cylinder
valve
in fol
lowing position:
For oxygen, and inert gases, open
rully
to
seal
stem
against possible
leak. For fuel
gas, open
to
less than
one
turn to
permit quick
emergency shutoff.
Use pressure charts
(available
from your
supplier)
for
safe and
efficient,
recommended
pressure
settings
on
regulators.
Check for leaks
on
first
pressurization
and
regullarly
there-after. Brush with soap solution
(capfull
of
Ivory Liq
uid*
or
equivalent
per
gallon
of
water).
Bubbles indicate
leak. Clean off
soapy
water
after test; dried soap is
com
bustible.
E.
User
ResponsIbilitIes
Remove
leaky
or
defective
equipment
from service im
mediately
for
repair.
See User
Responsibility
statement
in
equipment
manual.
F.
Leaving Equipment
Unattended
Close gas
supply
at
source
and drain
gas.
G.
Rope Staglng.Support
Rope
staging-support
should
not
be used for
welding
or
cutting operation;
rope may burn.
*Trademark of Proctor &
Gamble.
OM-1 26 853
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