04 LP Gas System
Liquid Propane (LP) Tank
The Wayfarer is equipped with an ASME (American Society of Mechanical Engineers) approved LP tank (Figure 4-1) which is equipped with an automatic pressure regulator. This tank contains liquid petroleum fuel under high pressure.
A LP gas-distribution system distributes the gas to those appliances using such in the motorhome. The “heart” of this LP gas distribution system is the regulator and it should only be adjusted by a qualified service technician. Most of the problems encountered in lighting the pilots of these appliances are caused by regulator mis-adjustments.
The major component of the LP gas supply is a pipe which runs underneath the motorcoach floor. The various gas appliances are connected by a rubber supply line.
Should any of the secondary tubing develop a leak, do not attempt to splice any of the lines. Instead, have a qualified service technician run a new length of tubing to the appliance of concern and then have that line leak-tested before placing it in normal operation.
To remove, repair, or replace any gas-operated appliance, always close the main gas valve at the LP tank.
LP Tank Filling Practices
Any LP gas tank associated with the motorcoach must never be filled to more than 80 percent of its total capacity. Filling should always be done only when the motorhome is levelled. If the motorcoach is not level, the tank might be overfilled (i.e., more than 80 percent of capacity) and, thus, subject the motorcoach to possible fire or explosion from resultant uncontrolled gas flows
LP Gas Regulator
As noted earlier, the LP gas regulator (Figure 4-2) is the “heart” of the LP gas distribution system. This regulator reduces and controls the pressure of the gas on the outlet end to provide a constant supply of gas at a constant pressure to the gas-operated appliances. The regulator has a vent to relieve excess pressure on the inlet side of the regulator, should excess pressure develop in the gas tank and connecting gas line to that regulator inlet. The vent would normally release the excess LP gas to the atmosphere until the over-pressurization condition is eliminated.
This vent should be regularly checked to assure that it is not clogged or obstructed. If that vent is blocked from normal operation, component or system failures may result. If periodic visual inspection indicates any sign of corrosion or degradation, contact a qualified service technician to repair the regulator as soon as possible; DO NOT operate the LP gas system with any faulty component in place.
When assembling your LP quick connect line, rotate the shut off lever shown in the picture below. Next, pull back on the release (Circled). Insert quick connect line. After inserting, rotate shut off lever back in to lock position.
NOTE: When LP quick connect is not in use, to ensure you don’t have any leaks have the valve in the position shown in the picture below.
