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Jayco Greyhawk User Manual

Jayco Greyhawk
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Resetting Circuit Breakers
If a circuit breaker in the main power distribution panel of the
vehicle or on the genset (Fig. 7-3) trips, there is either a short circuit
or too many appliances being operated at the same time. Note that
the genset will continue to run after a circuit breaker trips.
If a circuit breaker trips, disconnect or turn off as many appliances as
possible and reset the circuit breaker (typically, push the circuit
breaker to the OFF to reset it and and then to ON to reconnect the
circuit). If the circuit breaker trips right away, either the vehicle
electrical distribution system has a sort or the circuit breaker is
faulty. Call a qualified electrician.
If the circuit breaker does not trip, reconnect the appliances, one by one, up to a total load that does
not overload the genset or cause the circuit breaker to trop. If a circuit breaker trips right away when
an appliance is connected, the appliance probably has a short.
Varying Operating Conditions
COLD WEATHER
Pay particular attention to the following items when operating the genset in cold weather:
1. Make sure the engine oil viscosity is appropriate for the cold weather temperatures. See the
recommendations in the manufacturer’s owner’s manual. Be sure to change the oil if a
sudden drop in temperature occurs.
2. Set the altitude adjust knob for your altitude (gasoline models only).
HOT
Pay particular attention to the following items when operating the genset in hot weather:
1. Make sure nothing blocks the air flow to and from the set.
2. Make sure the engine oil viscosity is appropriate for the hot weather temperatures. See the
recommendations in the manufacturer’s owner’s manual.
3. Keep the genset clean.
4. Perform maintenance due. See Periodic Maintenance.
5. Set the altitude adjust knob for your altitude (gasoline models only).
HIGH ALTITUDE
For best fuel economy and genset operation set the carburetor altitude adjust knob for your altitude
(gasoline models only). Look at road maps, travel atlases and road signs for altitude. (See Powering
Equipment for information on how altitude affects the maximum power output of the genset.)
I
CAUTION: Operating the genset at low altitude with a high altitude setting can cause power
loss, overheating and engine damage. Always reset the altitude adjust knob when returning
to lower altitudes.
Options 111
Fig. 7-3

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Jayco Greyhawk Specifications

General IconGeneral
Fuel TypeGasoline
ManufacturerJayco
ModelGreyhawk
ChassisFord
EngineFord V10
Horsepower305 hp
Length31 ft
CategoryClass C
GVWR14, 500 lbs
GeneratorOnan 4.0 kW
Grey Water Capacity39 gallons
Black Water Capacity39 gallons

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