THOR Jayco Precept 2021, Owner'S Manual

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Section 7: Fuel & Propane System
Exhaust Gas Fumes
To avoid breathing exhaust gases, follow these precautions:
 Do not run the engine in confined areas, such as a closed garage, any longer than
needed to move your motorhome in or out of the area.
 Windows should be closed while driving or running the generator (if so equipped)
to avoid drawing dangerous exhaust gases into the motorhome.
 If you suspect that exhaust fumes are entering the passenger compartment, have
the cause determined and corrected as soon as possible.
If you must drive under these circumstances, close all the windows, and adjust the heating
or cooling system to force outside air into the motorhome (set the blower on high speed).
The best protection against carbon monoxide entry into the motorhome is a properly main-
tained ventilation system and an active carbon monoxide detector. To allow for proper op-
eration of the motorhome ventilation system, keep the ventilation inlet grill(s) clear of snow,
leaves or other obstructions at all times.
Maintenance
It is recommended that the exhaust system and vehicle body be inspected by a qualified
motorhome service center:
 Each time the engine is ready for an oil change.
 Whenever a change in the sound of the exhaust is noticed.
 Whenever the exhaust system, underbody or rear of the vehicle is damaged.
For more information refer to your Chassis Guide.
 Avoid inhaling exhaust gases as they contain carbon monoxide, which is
a potentially toxic gas that is colorless and odorless.
 If you are in a parked motorhome with either the engine running or the
generator running there is a potential for exhaust fumes to filter back into
the motorhome.
Remove the fuel filler cap by slowly turning it coun -
terclockwise and waiting for any “hiss” noise to
stop. Then unscrew the cap all the way. To close the
fuel filler cap, securely turn the cap clockwise until
you hear clicking sounds.
Filling the fuel tank
If you spill fuel on the motorhome, clean it up im-
mediately. Fuel can dull or soften paint and dam-
age other surfaces. Use care when fueling your mo-
torhome.
Propane Gas System (if so equipped)
Propane or LP (liquefied petroleum) gas is an efficient form of energy when proper handling
and safety precautions are observed. The propane system in your motorhome furnishes the
fuel for cooking, heating, hot water and can be an alternative energy source for refrigeration.
Propane is heavier than air and tends to flow to lower areas and will sometimes pocket in
these low areas, such as the floor. Your motorhome is equipped with a propane alarm (refer
to Safety Precautions, Combination Carbon Monoxide (CO)/Propane Alarm).
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