• . ,
CAUTION
LPG
GAS
IS
F LAMEABLE AND POTENTIALLY EX·
PLOSIVE. USE PROPER
HANDLING, LIGHTING
AND VENTILATING PROCEDURES. AS A GAS,
LPG
IS
HEAVIER THAN AIR AND WILL DISSIPATE
IF
VENTILATION
IS
PROVIDED TO PERMIT A
DOWN·
WARD FLOW.
USING YOUR
LP
GAS SYSTEM
AT
LOW
TEMPER·
ATURES
Your
gas system will
function
well
at
low temperatures,
provided
the
components
are
kept
at
a
temperature
a·
bout
the
boiling
point
of
the
gas.
NOTE: -Butane boils
or
turns
to
a gas
about
32 deg·
rees F
and
propane boils
at
about
·40degrees
F.
The
following are suggestions
to
keep gas appliances
working
smoothly:
1.
Choose a
type
of
LPG
which has a boiling
point
lower
than
any
temperature
you
expect
to
encounter.
Ask
your
LPG supplier
or
your
motor
home
dealer
for
information
on
pro·
ducts
available in
your
area.
2.
If outside
temperatures
get
below
the
boiling
point
of
the
LPG
in
your
system,
keep
expos·
ed
area (such as
the
tank,
regulator
and
lineS)
at
a higher
temperature
with
a protective
cover.
3. Keep
the
system
free
from
water
vapor
(which may
turn
to
ice in lines
and
regulators).
Commercial additives
such
as
dry
methyl al·
cohol,
added
to
the
LPG
tank,
can help avoid
water
condnesation
in
the
regulator and
the
lines. Ask
your
LPG
supplier
or
your
motor
home
dealer.
If, despite precautions,
the
gas
flow
to
your
appliance
should fail
at
low temperatures,
the
stoppage may be
due
to
ice in
the
LPG
regulator as a result
of
condensed
moisture.
Try
melting
the
ice
by
warming
the
regulator;
using a small light bulb
on
an extension cord
..
NOT
AN
OPEN FLAME. Once flow
is
restored, it may be neces·
sary
to
protect
the
regulator
or
continue
to
provide a lit·
tie
heat
in
order
to
keep
the
moisture from freezing a·
gain. If
the
problem persists, ask
your
LPG
supplier
to
service
the
tank
or
regulator, removing
the
moisture
or
adding
an
ice·inhibitor as required.
OPERATION OF LPG SYSTEM
through
a
T·fitting
and a regulator (see Figure 15).
The
first
is
normally used until
empty,
then
the
tank
valve
is
closed and
the
second
tank
opened. Pilot lights
on
all
appliances need
to
be relighted
after
a
tank
is
switched
in this way.
Your
system
may
use
LPG
stored in a
chassis·mounted
tank
(see Figure 15). The chassis·mounted
tank
has
four
controls;
the
gas pressure regulator,
vapor
withdrawal
(service) valve.
The
fill valve and
the
guage. To provide
LPG
to
appliances, first
open
the
vapor
withdrawal
ser·
vice valve all
the
way (counter·clockwise)
then
close
it
1.
LP
Gas Regulator
2.
Supply Valve
3.
Fill
Valve
or
Plug
4. Pressure Gauge
(if
installed)
FIGURE 15 TYPICAL
LPG
TANK
two·thirds
of
a
turn.
When all
LPG
systems
are
not
in
use, close
the
valve all
the
way.
CAUTION
DO
NOT
USE
PLIERS OR A WRENCH
TO
TIGHTEN
VALVES. IF
A VALVE
IS
NOT LEAK·TIGHT WHEN
CLOSED
BY
HAND, SEE YOUR
LPG
GAS SERVICE
REPRESENTATIVE. EXTINGUISH
ALL
PI
LOTS
AND OPEN FLAMES. STOP THE ENGINE AND STOP
THE AUXILIARY POWER·GENERATOR, IF INSTAL·
LED, BEFORE FILLING
LPG
TANKS
OR
FUELING
YOUR VEHICLE TANKS. PILOTS AND OPEN
FLAMES SHOULD
BE
EXTINGUISHED WHEN THE
VEHICLE
IS
UNDER
WAY
AND.
BY
REGULATION,
MUST
BE
EXTINGUISHED
IN
CERTAIN
AREAS
SUCH AS TUNNELS OR
RESTRICTED
AREAS:
CHECK AHEAD
TO
AREAS WHERE YOU PLAN TO
If
your
motor
home
has
the
LPG
stored
in removable
TRAVEL
TO DETERMINE ANY
SPECIAL
REGULAT·
tanks,
your
appliances will
operate
from
either
tank
IONS WHICH MAY APPLY.
15
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