The regulator is the heart of an LP-Gas system.
The LP-Gas in the tank is under high pressure. The
regulator reduces the pressure of gas so that it is
safe to use with various appliances. The regulator
on the motorhome is a two-stage regulator. Simply
put, the first stage regulator reduces the full tank
pressure down to a range of 10-13 psig. The second
stage further reduces the pressure down to an outlet
pressure of 0.4 psig (11 inches of
column water). The regulator is equipped with a
vent so that it can breathe. This means that if pres-
sure in the LP tank is too high the regulator will
allow gas to escape through the vent until pressure
returns to a normal range. It is important to keep the
vent clean and clear of obstructions or corrosion. If
the vent becomes clogged, pressure from LP tank
could cause a failure of the components. If you
notice any corrosion contact a qualified LP-Gas
service technician. The regulator is mounted so that
the vent faces downward. If the vent becomes
clogged you can clean it with a toothbrush.
Under normal atmospheric conditions a LP regu-
lator will not freeze, nor will the LP-Gas. The gas
passing through the regulator will expand and cool
creating moisture in the gas. This moisture will turn
to ice which can build up and partially or totally
block the orifice. The possibilities of freeze up is
greatly reduced with the two stage regulator.
Things you can do to prevent this freeze up are:
1.
Ensure the LP tank is totally free of moisture prior to filling.
2.
Ensure the tank is not overfilled.
3.
Keep the valve closed when the tank is empty.
4.
A LP-Gas dealer will need to purge the tank if freeze up occurs.
5.
Have the LP-Gas dealer inject methyl alcohol in the tank.
WARNING: Do not attempt to adjust the regulator, it is preset at the
factory. If adjustments need to be made it requires special equipment.
Failure to follow these instructions may result in a fire or explosion
and cause severe personal injury or death. DO NOT ATTEMPT TO
REENTER THE MOTORHOME UNTIL THE PROBLEM HAS
BEEN CORRECTED!
LP-Gas System
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S I G N A T U R E
7 • 1 8 3
LP-GAS REGULATOR
LP-Gas Regulator
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