SECTION 9
PROPANE SYSTEM
HOW TO LEAK TEST THE
P
ROPANE SYSTEM
Use an appropriate propane leak detector
solution or create a soapy water solution. The
propane leak detector solution can be
purchased at most dealerships (if soapy water
is used, make sure that the soap used does
not contain ammonia or chlorine). Apply the
propane leak detector solution to all propane
piping connections. If a leak is present, the
solution will bubble at the connections.
If a leak is detected
1. Execute your family safety plan.
2. Turn off the propane at the cylinder(s).
3. Turn off all appliances that utilize propane.
4. Unplug the shore line power cord.
5. Disconnect the 12-volt auxiliary battery (if
so equipped).
6. Contact your dealer for a service
appointment. Have the propane system
repaired before using it again.
ASME TANK
Propane is stored in pressurized containers in
a liquid state. As the propane is released from
the container, it changes to vapor that is then
used for the operation of the appliances.
Propane will not run through the appliances in
the liquid state. The volume of liquid propane
increases approximately 1-½% for every 10°F
(5.5°C) it is warmed. Heat the propane 100°F
(55°C) and the container liquid volume will
increase 15%. That is why it is imperative to
leave sufficient space inside the cylinder to
allow for natural expansion of gas during
warmer weather.
The following label should be kept
permanently affixed to your RV.
Fig. 9.2 “Do not fill to more than 80%” label
1: Propane fill valve; 2: Propane gauge
Fig. 9.3 ASME tank
The factory-installed propane tank is an
ASME tank mounted under the floor of the
motorhome. Because the tank is not
removable, the motorhome will need to be
driven to a propane fill station. Be sure to
IT IS STRONGLY RECOMMENDED
THAT YOU HAVE A PROFESSIONAL
TEST THE RV PROPANE SYSTEM FOR
LEAKS ONE TIME EACH YEAR AS
PART OF NORMAL MAINTENANCE.
DOT propane cylinders must be
transported and stored in an upright
position so the pressure relief device will
function properly. Laying a DOT propane
cylinder on its side may potentially create a
very dangerous situation.
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