SECTION 8
PROPANE SYSTEM
58
HOW TO LEAK TEST THE PROPANE
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.
DOT PROPANE CYLINDER
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. 8.2 “Do not fill to more than 80%” label
The main shut off valve must be kept closed
at all times unless you are using the propane
system or filling the propane cylinder. When
the cylinder is disconnected from the hose,
install the valve cover that is attached so the
container. This is required by the National Fire
Protection Agency (NFPA), other applicable
local codes and for your own safety.
Close the propane cylinder main shut off
valve by hand tightening only
. Use of tools
creates a potential to over tighten the valve
(damaging the interior seals on the cylinder
valve seat). If this type of damage occurs, the
cylinder will not close properly and create a
false sense of security.
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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