Fuel Fill; Fuel Types & Vapor Lock; General Chassis Topics; Variable Speed Engine Fan - Fleetwood Coronado Owner's Manual

1992
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12 ____________________ __
as the chassis. Consult the generator operating instruc-
tions for special cautions about maintenance with differ-
ent types of fuels.
Fuel Fill
The fuel filler cap is located toward the rear of the coach.
Modern fuel systems may build upvaporpressure within
the tank as the gasoline warms during use or hot
weather. Under certain conditions, sudden release of
this pressure when removing the gasoline cap can
cause gasoline to spray from the fill opening, creating a
fire hazard.
WARNING
WHEN REMOVING THE GASOLINE CAP,
ROTATE SLOWLY ONLY FAR ENOUGH TO
ALLOW PRESSURE TO RELEASE. AFTER
"HISSING" SOUND STOPS, COMPLETE THE
REMOVAL OF THE CAP.
To protect the gasoline system from excessive pressure
orvacuum, or from sudden release of pressure, replace
lost caps with caps of the same design which are
available from your Fleetwood motor home dealer.
Clean up fuel spills immediately. Raw fuel spilled on the
motor home could damage the exterior finish, and is a
serious fire hazard.
Fuel Types And Vapor Lock
Today's automotive fuel and emissions systems are
sophisticated and highly engineered to meet Federal
and State emissions standards. They are also some-
times sensitive to fuel types and blends, particularly
fuels blended for certain altitudes and climates. Fuel
suppllers provide customers with the correct fuel for
their location and seasonal conditions. Sometimes,
though, fuel blended for winter is supplied during sum-
mer months.
"Vapor lock" occurs when gasoline vaporizes, and vapor
pockets block the flow of liquid fuel to the engine. If you
experience engine stall or stutter, you may be experi-
encing vapor lock.
If your engine and fuel system are properly tuned and
maintained, you should not experience this problem. If
vapor lock occurs, the fuel itself could be the cause. If at
all possible, check with the service station operator as to
the fuel blend before filling your fuel tank. If you pur-
chase your fuel from nationally recognized fuel dealers,
your chances of vapor lock can be reduced. If you store
your motor home during the winter months, be aware
that when you take the vehicle out of storage in the
spring or summer, winter fuel may cause vapor lock until
it is consumed.
GENERAL CHASSIS TOPICS
Variable Speed Engine Fan
When the engine is under load or requires maximum
cooling, the engine fan adjusts and turns faster. The fan
may become very noisy at high speed and when maxi-
mum cooling is required. High speed fan noise can
sometimes be misinterpreted as transmission slippage.
This is not the case. High engine speed and tempera-
ture conditions, such as pulling away from a stop after
long freeway driving, can cause loud fan noise until the
engine cools down. This fan noise indicates that the fan
is doing what it is supposed to do. This noise is not a
defect in the fan or the transmission.
Exhaust System Heat
Your motor home engine has been designed to conform
to Federal and State emission requirements. To meet
these requirements, engine operating temperatures are
high. As a result, the engine and exhaust systems
radiate a great deal of heat.
Special heat shields are built into your motor home to
protect wiring and other components from possible heat
damage caused by the exhaust system. Do not remove
these shields, modify the exhaust system, or add addi-
tional equipment, such as wiring, plumbing, or other
components, which will be affected by exhaust system
heat.
CARBON MONOXIDE
SAFETY PRECAUTIONS
Carbon monoxide is a colorless, tasteless, odorless
gas. It is a by-product of combustion in engines. The
engines in your motor home and generator system
produce it constantly while they are running. CARBON
MONOXIDE IS DEADLY. Please read and understand
the following precautions to protect yourself and others
from the effects of carbon monoxide poisoning.
WARNING
EXHAUST GASES ARE DEADLY. DO NOT
BLOCK THE TAILPIPES OR SITUATE THE
VEHICLE INA PLACE WHERE THE EXHAUST
GASES HAVE ANY POSSIBILITY OF ACCU-
MULATING EITHER OUTSIDE, UNDER-
NEATH, OR INSIDE YOUR VEHICLE ORANY
NEARBY VEHICLES. OUTSIDE AIR MOVE-
MENTS CAN CARRY EXHAUST GASES IN-
SIDE THE VEHICLE THROUGH WINDOWS
OR OTHER OPENINGS REMOTE FROM THE
EXHAUST
OUTLET.
OPERATE
THE
ENGINE(S) ONLY WHEN SAFE DISPERSION
OF EXHAUST GASES CAN BE ASSURED,

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