Lp Gas System; Chassis Electrical System - GMC Motor Home Operating Manual

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LP Gas Tank Controls
LP GAS SYSTEM
CAUTION
If gasoline or
LP
gas fumes are noticed
at any time, the cause should be deter-
mined and corrected without delay be-
cause of the possibility of fire.
Bottled LPG (Liquid Petroleum Gas) is safe,
economical, clean and conveniently available .
It operates the kitchen stove and furnace in your
Motor Home, as well as the gas/electric refrig-
erator, if so equipped.
The tank is located on the right side of the
vehicle in a compartment behind the rear
wheels . The tank is accessible only from outside
of the vehicle .
The knob on the left is the filling connection.
This is where the tank is filled . Next to it is the
20% valve, which is designed to prevent the
tank from being overfilled. The control valve is
next to it. This is where the main LP gas line to
the vehicle can be shut off. On the line leading
out of the control valve is the regulator valve. It
should not be tampered with.
To fill the tank, drive the Motor Home to an
LPG
Dealer
(DO
NOT
REMOVE THE
TANK) . The Dealer must use a P .O .L. adapter
to fill the tank. The adapter is to be inserted
into the filling connection . When liquid appears
at the 20% valve the tank is full .
Always refill empty LP gas tank as soon as
possible . Appliances will stop working when the
gas supply becomes exhausted .
When you are not using the gas appliances,
shut off the control valve on the tank ; this will
help prevent moisture from condensing inside
the tank . Having a small amount of dry Methyl
Alcohol put in the tank when you have it filled
84
will help prevent moisture in the tank and help
prevent the lines from freezing in the winter .
You may find that in the southern part of the
country only Butane is available for your LPG
tank. It will work fine except that at tempera-
tures below 30° F . Butane is' in a liquid state .
In this temperature range no vapor is produced
to fuel the appliances. If you expect to en-
counter temperatures below 30° F ., discharge
the Butane from the tank and refill the tank
with propane gas . Propane gas does not turn
into a liquid until a temperature of -44°F .
When opening the valve to operate the sys-
tem, open it all the way, then close it one-quarter
turn . This will enable you to tell if the valve is
open or closed .
BATTERIES
CAUTION
BEFORE opening the control valve check
that controls for all gas appliances are
in the OFF position. If this is not done,
LP
gas could accumulate inside the ve-
hicle creating a fire or explosion hazard .
DO NOT alter
LPG
tank in any way. The
regulator on the tank is pre-set . DO NOT
attempt to adjust it. This should be done
by an authorized service outlet.
It is recommended that you travel with
your
LPG
system off. All pilots and
burners should be turned off and the
control valve on the
LPG
tank should
be off. This should also be done when-
ever the vehicle will not be in use. This
reduces the hazard of leaking gas.
CHASSIS ELECTRICAL SYSTEM
There are two Delco Energizer Batteries used
for the chassis and living area of the Motor
Home. These are located behind the right front
access door.
It is important that these batteries receive the
the following care :
1 . The fluid level should be checked regu-
larly utilizing the level indicator cap marked
"DELCO EYE." If the transparent eye within
the cap glows, fluid level is low .

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