Section 03: FUEL SYSTEM
PA1553
7
FIGURE 5: DAVCO FUEL PRO 382 EXPLODED VIEW03034
5. FUEL TANK
All XLII series motorhomes are equipped with a
high-density cross-link polyethylene fuel tank.
W0 and WE vehicles fuel tanks have a total
capacity of 250 US gallons (945 liters) while W5
can be equipped with an optional 90 US gallons
(341 Liters) auxiliary stainless steel tank forward
of the standard 208 US gallons (787 liters) fuel
tank. The main tank is located just forward of the
rear baggage compartment, between the A/C
condenser and evaporator. The auxiliary tank is
located in the baggage compartment just
forward of the main tank.
On all vehicles, fuel filling access doors on both
sides of vehicle (with the exception of W0)
provide direct access to filler necks; offering the
added advantage of refueling from either side of
vehicle.
A pressure relief valve on the fuel tank
connection-panel relieves high-pressure buildup
and an overflow tube allows offset air in the tank
to escape during filling. For 95% of the tank
volume, 5% of tank inside space is kept filled
with air with no exit opening, allowing for a fuel
expansion safety margin. A drain plug,
accessible from under the vehicle, is fitted at the
bottom of the tank(s).
5.1 TANK REMOVAL
DANGER
Park vehicle safely, apply parking brake, stop
engine and set battery master switch(es) to the
OFF position prior to working on the vehicle.
Before working under an air-suspended
vehicle, it is strongly recommended to support
the body at the recommended jacking points.
NOTE
Before removal, the fuel tank should be
completely drained by unscrewing the drain
plug. Ensure that the container used has a
capacity equal to the amount of fuel remaining
in the tank(s).
For vehicles equipped with a transverse tank or
an auxiliary tank, drain it as well since it is
directly connected to the main tank.
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