Shindaiwa DGK180F Owner's And Operator's Manual page 56

(16) Elimination of excessive carbon in the exhaust system by extensive light load
WARNING : EXHAUST GAS POISONING
 Do not operate the generator in poorly ventilated areas such as indoors or tunnels, as
the exhaust gas of the engine contains substances that are harmful to human health.
 Do not direct exhaust fumes at bystanders or buildings.
WARNING : INJURY
 Always be sure to check that the breakers on load side and switches for any
equipment using the generator are at OFF before turning the breaker to ON. Also be
sure to advise personnel on the load side that power will be turned on before
operating the breaker.
 Close all doors and lock them during operation.
CAUTION : FIRE
 Do not carry flammable items (such as fuel, gas and paint) or items that are highly
combustible near the generator as the muffler, exhaust gas and other parts become
extremely hot.
 Position this generator 3 ft. (1 m) or more from walls or other hindrances, and on a
level surface.
CAUTION : INJURY
 Do not operate the generator if it has been modified or any parts have been removed.
 Position the generator on a level stable surface so that it cannot slide or move in any
manner.
 Before starting operation, always be sure to turn off all switches of equipment being
used and all breakers to OFF.
Clean
Accumulation of carbon (soot, unburned fuel) in the exhaust system could cause engine output
loss and/or engine fault. To eliminate soot and unburned fuel, run the unit at more than 70% of
the rated output for about half an hour, until the exhaust gas become mostly colorless. The
carbon will accumulate when the unit runs at less than 30% of rated output.
< Note >
 When the unit runs at rated power suddenly, accumulation of carbon in the exhaust system
might cause back fire incident. Operate the generator starting from 50% of the rated output
and then increase load gradually after confirming exhaust gas become colorless. Do not carry
flammable items that are highly combustible near the generator.
Every 250 hours
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