Filling Procedure; Vapor Valve - SAFARI Trek 2002 Owner's Manual

Filling Procedure

Before filling the tank, make sure that all pilot lights are off, and that the engine and gen-
erator are not running. The vehicle should be level. The technician filling your tank
should be trained in the full procedure.
To allow for heat expansion, the tank can only be filled to 80% of its 35 gallon capacity.
Manufacturers of LP-Gas tanks are required to install a relief valve that will stop flow
into the tank at 80% capacity. A tank that is overfilled can cause system freeze-ups,
uncontrolled gas flow, and possibly fire or explosion.
WARNING: Before filling the tank, make sure that all pilot lights are off and the
engine and generator are not running. The LP-Gas tank can only be
filled to 80% of its capacity. A tank that is overfilled can cause system
freeze-ups, uncontrolled gas flow, and possibly fire or explosion.
NOTE: The fill valve is spring-loaded and will close automatically. Do not disconnect
any of the LP-Gas hoses as moisture can enter the system and cause it to
malfunction.

Vapor Valve

The vapor valve controls the flow of gas to the appliances. A regulator is mounted on the
main line to the appliances. The second vapor valve controls the flow to the generator and
is absent from coaches with gasoline-powered generators. Both valves should be closed
when filling the tank. They should also be closed when the appliances are not going to be
used for an extended period of time to prevent moisture from collecting inside.
When opening the vapor valves always follow this procedure: slowly open the valve until
vapor fills the line. Open completely, then close it one-quarter turn. There is an excess
flow check valve that stops the flow if you open the valve too quickly. By closing the
valve slightly it is easier to tell whether the valve is open or closed.
If only a small amount of gas flows into the line close the valve completely and try the
procedure again.
Trek Owner's Manual
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