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CAUTION: Proper engine cooling requires that the access cover be secured during
operation. Also, hot engine parts can cause severe burns. Always secure the access cover as
soon as the engine starts up.
1. For top performance and engine life, especially in colder weather, let the engine warm up for
at least two minutes before connecting the genset to the vehicle electrical loads (appliances).
See Powering Equipment.
2. Check for fuel and exhaust leaks. Stop the genset immediately if there is a fuel or exhaust
leak and have it repaired before continuing operation.
3. See Troubleshooting if the engine does not crank
STOPPING
1. Turn off the air conditioner and other large electrical loads and let the genset run two minutes
before stopping it. This allows the engine to cool down, reducing the incidence of backfiring
and engine run-on.
2. Push the STOP switch momentarily.
“Genset” Loading
The AC output of the genset powers the vehicle air conditioner, the DC converter/battery charger
and the appliances that may be plugged into the electrical outlets of the vehicle. How much
electrical equipment (power consuming appliances) can be operated at one time depends upon how
much power is available from the genset. If the genset is “overloaded”, either the genset will stall or
its circuit breaker(s) will trip.
To get an idea of how much equipment can be operated at one time add up the watt ratings of the
individual appliances that are likely to be used at the same time and compare the sum to the kW
(kilowatt) rating of the genset. Use table 2 or the ratings on the appliances themselves (if so marked)
to obtain the appliance watt values. Note that 1kW = 1,000 watts. If power consumption, as totaled
up, exceeds genset power output, you may have to consider operating some appliances in sequence,
one after another, rather than all at the same time.
Note that when the genset is loaded nearly to full power, it is possible that it may stall when the air
conditioner (or other large load) “cycles on”. The reason for this is that for a brief moment at startup
a motor draws up to three times the power stated on its nameplate. You may, therefore, have to
consider operating some appliances at times when the air conditioner or other large motor load is not
“On”.
Note also that as altitude increases air density decreases, causing genset engine power to decrease
(even when the altitude adjust knob is set correctly - see Varying Operating Conditions). Power
decreases approximately 3.5 percent of rated power each 1000 feet (305 M) of increase in elevation
above sea level. See Table 3 for the results of calculations for a typical genset. Therefore, at higher
altitudes consider operating fewer appliances at the same time.
Electrical equipment and tools must be properly grounded and in good working condition.
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WARNING: Electrical shock can cause severe personal injury or death. Read and
follow the equipment and tool manufacturer’s instructions and warnings.
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