SECTION 9
PROPANE SYSTEM
Before filling your propane cylinder, make
sure that the propane technician is qualified
(knows and understands proper inspection
and safety procedures.)
Main Supply Hose – Low Pressure
Attach the main supply hose from the
regulator to the brass manifold fitting in the
frame of the motorhome. The swivel brass nut
on the main hose will be your final
attachment. Several things to remember each
time the propane tank is removed:
Fig. 9.6 Main supply hose
1. Check that ALL fittings are tight.
2. Check that ALL connections are tested
with a leak solution. Consult with your RV
dealer or propane service personnel.
3. Open the main valve slowly to avoid a fast
rush of propane to the excess flow valve
causing propane freeze up. If you
experience a propane “freeze-up,” close
the main valve and wait at least fifteen
(15) minutes before trying again. Refer to
the regulator OEM operator’s manual.
4. Listen carefully - a “hissing” sound longer
than one second may indicate a propane
leak. If you feel there may be a leak
present, close the valve and contact your
dealer or qualified propane technician for
repair assistance.
Replace all protective covers and caps on the
propane system after filling. Make sure the
valve is closed and the compartment door is
securely latched.
Propane tank overfill
Never overfill your propane tank above the
liquid capacity indicated on the tank. If a tank
is overfilled, liquid gas may flow through the
gas regulator, causing it to freeze and/or
introduce dangerous excessive gas pressure
into the lines. In addition, an overfilled tank
placed in hot sunlight may expel excessive
gas through the relief valve and be
susceptible to ignition by any nearby open
flame or spark.
If you do overfill the propane tank, contact
your RV dealer or a qualified propane
technician for assistance immediately. Do not
attempt to service a propane tank overfill
yourself.
Maintenance
Propane gas is normally non-corrosive - you
need not worry about the inside of your
container. However, the outside should be
kept free from rust by a periodic coat of paint
in a light reflective color. Rust, scratches
and/or dents can affect the safety of the
cylinder. Inspect the tank at regular intervals.
If there is a problem, have it evaluated by a
qualified technician and discard it. DOT
requires that a visual inspection be made prior
to each filling.
Any tank that has been exposed to fire, leaks
or seems damaged should not be refilled. Do
not attempt to repair any tank, tank valves,
regulator or appliances by yourself. Use only
trained certified propane gas service
technicians to perform repairs.
Verify with your local propane dealer that all
required inspections and certifications have
been completed on the propane cylinder
within the correct time period before refilling
the cylinder. Any adjustment to the propane
system should always be made with a
properly calibrated manometer by the RV
dealer or a qualified propane gas service
technician. If the pressure is too high, it
affects performance and safety. If the
pressure is too low, your appliances will not
operate correctly.
Have the LP system checked for leakage
each time the tank is refilled or after any part
of the propane system has been
disconnected.
For more information
Refer to the OEM operator’s manual.
HOSES, PIPES, TUBES & FITTINGS
The hoses, pipes, tubes and fittings used in
your propane system are designed to
withstand pressures exceeding those of the
propane system. However, because
environment and time can both contribute to
the deterioration of these components, they
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