SAFETY
When the motorhome is not in use, be sure to close the main LP gas
valve at the tank. When the LP gas tank is to be refilled, close the main
valve to preclude the chance of pilot lights possibly igniting fumes from
the LP fuel. As some LP-gas appliances (e.g., refrigerator, furnace, water
heater) have Direct Spark Ignition (DSI) systems, it is very important that
these appliances be turned off when the LP gas is off. The DSI boards will
continue to work (i.e., emit an ignition spark) even when there is no LP
gas available.
LP GAS REGULATOR
The LP gas regulator (Figure 2-4) is the most critical element
of the LP-gas distribution system. The regulator converts the
high-pressure LP gas from the tank into a reduced-pressure
LP-gas supply suitable for use in the various appliances in
the motorhome.
You must regularly inspect the regulator system. If any
damage or corrosion is noted, contact an authorized service
technician to inspect and repair or replace the regulator.
Do not attempt to adjust the regulator yourself; the regulator
has been pre-set at the factory. Only a qualified LP service
technician using specialized equipment should adjust the
regulator.
Figure 2-4: LP Gas Regulator
LP DISTRIBUTION SYSTEM
The primary LP distribution system in the motorhome is a steel manifold located underneath the
motorhome. The secondary distribution lines running from this main distribution system are usually
reinforced rubber supply lines.
If any of the gas lines break, do not attempt to splice them—always run new lines to maintain the safety
of the motorhome. Tiffin Motorhomes recommends that only qualified service technicians perform this
work.
Remember, the main valve at the LP gas tank must be closed whenever any gas appliance is to be
installed, removed, or serviced—this process prevents LP gas leakage, which could result in a possible
harmful explosion. If the odor of LP gas is ever detected, immediately discontinue use of any gas
appliances and seek the services of a qualified service technician.
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